Our team

Simon Kowald

Sales 

02 9659 5222 

0407 433 660 

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The consummate real estate agent, Simon Kowald is a revered property professional. He has an outstanding sales reputation built over two decades of helping locals sell and buy homes in The Hills. Simon thinks what sets him apart is how he brings a level of “humanness” to real estate that vendors find surprisingly refreshing. A Rate My Agent record holder, Simon is driven to achieve results beyond his client’s expectations.

Simon’s flawless service approach is based on an attitude of transparency that sees him treat people the way he likes to be treated. His openness, exceptional communication skills and genuine love for real estate make Simon a sought-after agent who has set the bar so high that many clients say they wouldn’t sell with anyone else. He has sold several properties multiple times over – testament to Simon’s integrity, attitude and real estate proficiency.

A lifelong Hills resident, Simon is passionate about our beautiful pocket of Sydney.

Property Showcase

Glenhaven

31 Hyde Avenue

House

  • 5
  • 3
  • 2

Just Listed  

Kellyville

29 York Road

House

  • 4
  • 2
  • 2

Price Guide $1,600,000  

Castle Hill

110a Tuckwell Road

Semi Detached

  • 3
  • 2
  • 3

Asking Price $1,495,000  

Glenhaven

24 Greenbank Drive

House

  • 4
  • 3
  • 3

Guide $2,500,000  

Castle Hill

15 Cardiff Way

House

  • 3
  • 1
  • 1

Asking Price $1,449,000  

Norwest

5 Jacqui Circuit

Semi Detached

  • 3
  • 2
  • 2

Price Guide - $1,450,000  

Kellyville

33 Skye Court

House

  • 5
  • 2
  • 2

Price Guide - $1,500,000  

Castle Hill

118 Tuckwell Road

House

  • 4
  • 2
  • 2

SOLD - $1,900,000

Kellyville

4 Macquarie Avenue

House

  • 4
  • 2
  • 2

SOLD - $1,680,000

Baulkham Hills

21 Virginia Avenue

House

  • 4
  • 2
  • 2

SOLD - $1,905,000

Castle Hill

7 Janette Place

House

  • 6
  • 4
  • 3

SOLD - $3,700,000

Glenhaven

40 Evans Road

House

  • 4
  • 3
  • 3

SOLD - $2,030,000

Baulkham Hills

7 Peter Street

House

  • 9
  • 4
  • 4

SOLD - $2,250,000

Kellyville

39 Annabelle Crescent

House

  • 4
  • 2
  • 3

SOLD - $1,675,000

Baulkham Hills

20/321 Windsor Road

Townhouse

  • 2
  • 1
  • 2

SOLD - $765,000

Kellyville

1 Daintree Place

House

  • 6
  • 2
  • 2

SOLD - $1,820,000

Castle Hill

25 Cambewarra Avenue

House

  • 4
  • 2
  • 2

SOLD - $1,825,000

Cherrybrook

42 Bowen Close

House

  • 5
  • 2
  • 2

SOLD - $2,030,000

North Parramatta

8/20 Pennant Hills Road

Apartment

  • 2
  • 1
  • 1

SOLD

Kellyville

1/12 O'Grady Place

Townhouse

  • 3
  • 2
  • 2

SOLD - $1,081,000

Bella Vista

52 Linden Way

House

  • 5
  • 2
  • 2

SOLD - $1,755,000

Dural

25 Fallon Drive

House

  • 4
  • 2
  • 2

SOLD - $2,110,000

Kings Langley

14 Dorlton Street

House

  • 5
  • 2
  • 2

SOLD - $1,510,000

Castle Hill

3/12-18 Sherwin Avenue

Apartment

  • 2
  • 2
  • 2

SOLD - $840,000

Kellyville Ridge

63 Sovereign Avenue

House

  • 3
  • 2
  • 2

SOLD - $1,550,000

Castle Hill

2 Dresden Avenue

House

  • 5
  • 4
  • 2

SOLD - $2,975,000

Kellyville

45 Annabelle Crescent

House

  • 6
  • 3
  • 2

SOLD - $1,615,000

Testimonials

We have bought and sold a few times, Simon exceeded all our expectations! He is highly professional, extremely trustworthy and so approachable. He gave us some great advice in preparing our home for sale. Simon goes above and beyond to help and his work ethics are excellent. He kept us fully informe...

Scott & Caryn

7 Janette Pl, Castle Hill

Simon's extensive experience, knowledge of the market and impeccable communication skills are just some of the reasons we entrusted Simon to sell our home. We have bought through Simon and have sold with him twice. His commitment and support made the selling process simple. We highly recommend Si...

Jurgen & Jade Bradatsch

39 Annabelle Cres, Kellyville

From the first inspection to the final settlement, Simon and his team have been very helpful, communicative and professional throughout the whole journey. It is our first time purchasing our own property and many things that are new to us, but Simon and his team have always been very patient in answ...

Shengda & Yunyi

52 Linden Way, Bella Vista

Being in the industry it's always a little more difficult when dealing with other agents. Simon was amazing throughout the entire process of me buying my property. He was always willing and happy to go the extra mile even if that included after hours! Nothing was too difficult for Simon and I can...

Buyer

3/12 Sherwin Ave, Castle Hill

Simon recently helped us with both the sale of our house and the purchase of our new one. For our purchase, he was very accommodating of all our questions and navigated us through the process. For our sale, in spite of this being a stressful process in general, Simon partnered well with us and ensur...

Anand

52 Linden Way, Bella Vista

Having Simon as my agent, made the sale of my first property a lot easier than expected. Simon helped guide me through the whole process, he kept me up to date on how much interest or lack of interest there was and offered good recommendations on how to proceed to ensure I would get the best price p...

Julie

3/12 Sherwin Ave, Castle Hill

We purchased our new home through Simon and decided to sell our old home through him as well. He was been extremely diligent and professional in all aspect's of our sale.Nothing was a problem to him always mindful of our needs as we were selling after 47 years in our home. Never over realistic on...

Graham & Kerrie

14 Dorlton Street, Kings Langley

Simon was professional in all of his dealings with my wife and I. We felt that we could trust him throughout the entire process of buying a family home. Simon was willing to assist outside of normal working hours, mindful that we have a young family and negotiations were required outside of 'norm...

Gerard

47 Greenbank Drive, Glenhaven

Simon's key strength is his top notch communication skills. He was never more than a phone call or a text message away and from start to finish, he kept us updated about developments. He was always accessible to discuss our own thoughts but also offered suggestions and an analysis of possible sce...

Julie

47 Greenbank Drive, Glenhaven

From our first meeting with Simon we felt we could trust him immediately with the sale of our home, his honest approach, knowledge, and professionalism really made us feel comfortable. He guided us the entire way and was always extremely generous with his time in answering our questions. His work et...

Luke & Laura

1217/11 Solent Circuit, Baulkham Hills

I’d like to recommend Simon Kowald from Guardian Realty. It has been a pleasure working with someone so knowledgeable and genuine. He truly cared about our situation and my family when we came to the decision to sell our investment property. He was very responsive, professional and I found his ser...

Simin

45 Annabelle Crescent, Kellyville

Thank you so much Simon for all your hard work to get us a remarkable result you have exceeded our expectation. Throughout the process you were patient, always available, positive, hardworking, with a can-do attitude and always striving for excellence. So glad our paths crossed when we first started...

Jean & Jasmine

2/58 Glenhaven Road, Glenhaven

If you are selling your home Simon is the guy you need! Simon is very professional experienced enthusiastic and friendly... He knows the market ... he is forthright and is honest and delivers on his predicted sale outcomes... We would very much recommend Simon if you are buying or selling... togethe...

Paul & Susan

16 Allara Place, Castle Hill

Simon and Luke have made this stressful and daunting process as a first home buyer, so easy and flawless. Simon always provided me with advice and supported me in this buying process. Simon was always quick to reply and keep me updated. I couldn’t recommend him enough.

Kaila

27/111 Railway Terrace, Schofields

Simon was amazing throughout the long process that was selling my apartment. He kept positive while keeping his advice relevant and realistic. Absolute legend!

Vendor

27/111 Railway Terrace, Schofields

We can not thank Simon Kowald enough in the aid of selling our property, not just Simon but the entire team supporting him (Luke Browning was also such a huge help). Simon kept us completely informed of market trends and offered sound advice as to how to move forward in his professional oppinion. We...

Nicole

25 Fairlie Street, Kellyville Ridge,

Simon Kowald and Luke Bavaro were courteous and respectful and easy to deal with. I appreciated their fast and helpful responses. Thank you.

Matthew

23 Womboyne Avenue, Kellyville

Simon was always available to answer any of our queries and gave us a lot of self assurance. We trusted him implicitly.

Jeff & Mandie

23 Womboyne Avenue, Kellyville

We had the most wonderful experience with Simon and his team in purchasing our new property. Simon has great communication and everything was explained clearly and honestly, Simon and Luke regularly contacted us through out the buying process to assist us in our home buying journey, we found Simon t...

Karim & Krystal

15 Pittman Place, Bella Vista

Simon was the perfect agent, he was extremely hard working, he provided us with a lot of advice while taking care of everything to do with the property. He spoke to us regularly throughout the process and was always open and honest with us. We are extremely happy that we chose him as our agent and w...

Ramez Morris

14 Mediati Avenue, Kellyville

Simon was wonderful throughout the entire process! From the day we meet him he was friendly, enthusiastic, professional and explained everything we needed to know in detail. He was always available to us and constantly gave us updates. His more than 20 years of experience truly showed from the begin...

Phil & Michele

15 Pittman Place, Bella Vista

Simon really cared about getting us the best outcome. He worked very hard and went above and beyond throughout the entire campaign to get us the best results possible. We would love to work with him again and highly recommend him to anyone wanting to sell their home.

Ramez & Sylvia

14 Mediati Avenue, Kellyville

I've had the pleasure of having Simon's assistance with prior sales and purchases. Simon is a honest and straightforward Agent. Even before I had committed to selling, Simon was available to assist with options and advice on maximising my property's potential. Simon, who has great knowledge...

Guy Fitzsimmons

4/77 Crane Road, Castle Hill

Simon is very professional to deal with. He was very transparent with the progress.

Ramesh

24 Langford Smith Close, Kellyville

Simon took time to get to know my circumstances and worked above and beyond to not only deliver a great result, but to make the transition for me as smooth as possible.

Margaret

40 Dremeday Street, Northmead

We purchased a property with Simon Kowald. Simon is very professional and keeps us well informed about the process. The negotiation was fair and easy. All in all, it was a pretty smooth experience.

Buyer

4/77 Crane Road, Castle Hill

Overall experience is a crucial factor for my wife and I and from the moment we met Simon, we felt like this was going to be an easy and enjoyable experience. Simon was well prepared and took the time to get to know us and was patient with us as we worked through our plans. Simon is an excellent com...

Robert & Ilka

37 Ballymena Way, Kellyville

Simon was very responsive to get back to us when we first approached him for the property. He went over and above to help us transition over the line to secure the land so much so am keen on getting him to help manage our other property portfolio. For the vendor, he is a tough negotiator and we foun...

George

37 Ballymena Way, Kellyville

Simon provided an excellent service at all times. Very professional with excellent knowledge and response to matters raised.

Philip & Gwen

11/40-42 Jenner Street, Baulkham Hills

My late husband and my first experience purchasing an apartment with Simon’s help was over 11 years ago. He didn’t push us, but just let us look around at our own pace but was close by to answer any questions we had. It was completely stress free. When I sold my last home recently I knew that Si...

Glen

11/40-42 Jenner Street, Baulkham Hills

THANK YOU Simon for all of your amazing help on the sale of our beautiful home. We would like to thank you for all your patience, communication, respect and time you have put in over the last few months. We couldn’t have found a better sales agent to sell our home you are definitely amazing at you...

Kirsty Walker

4 Pelligrino Grove, Rouse Hill

Simon's estimation on the value of our home was spot on. He was honest and knowledgeable about what our property was worth in the current market. Trusting Simon with the sale of our home was the best decision. Previous experiences in selling our property had been stressful as the agent applied pr...

Jim & Konny

5 Ashburton Court, Kellyville

After house hunting across the Hills District for 8 months and dealing with a wide array of real estate agents, we were so fortunate to come across Simon Kowald. From enquiring about the property, the open home and through to the offer process, Simon was so helpful and generous with his time. No que...

Jason

12 Twickenham Avenue, Kellyville

Unbelievable experience from start to finish! Where do we start!!! From my first communication with to my last it’s been excellent! As first time buyers Simon Kowald as guided us through the process and has always been there at the end of the phone to answer any questions we had. Our first open ho...

Paddy & Karen

5 Ashburton Court, Kellyville

I recently purchased a property with Simon. Simon was so nice and always happy to answer my questions and fufill my requirements.

Buyer

1/7-15 Purser Avenue, Castle Hill

Simon provided excellent advice and service for the sale of our apartment. His recommendations on styling and price meant our place sold in a timely manner. We are very happy with the experience. We highly recommend Simon.

Peter & Louise

1/7-15 Purser Avenue, Castle Hill

Simon takes the standards of "excellence" to a whole new level. His attention to details and industry knowledge is second to none. He is very easy to work with, honest and has a passion to HELP you achieve the results you want and help the buyer get the house they want.Its very rare to keep both the...

Adam

6 Armbruster Avenue, Kellyville - Simon

The way how to presenting house can make a great difference to both vendor and purchaser, and Simon is the person who can do this. Our family purchased one of property that Simon brought to the market, and all our family members are very pleased with his help.Thanks to Simon for letting us find a gr...

Buyer

6 Armbruster Avenue, Kellyville

Simon Kowald is an excellent professional who understands his customer’s emotional side during the purchase. He helped us on every occasion. We did multiple inspections before buying the house and after buying the house. Also, we needed extra settlement period so we could sell off our existing dwe...

Palash & Gouri

15 Bourne Street, Wentworthville

Simon came highly recommended to us and we felt at ease with him from our first interaction. Simon is personable and professional and kept us fully informed during the sales process. He made it a stress free experience through his open, honest and timely communication. It was easy to build rapport a...

Steve & Donna

12 Molise Avenue, Kellyville

Simon came highly recommended to us and we felt at ease with him from our first interaction. Simon is personable and professional and kept us fully informed during the sales process. He made it a stress free experience through his open, honest and timely communication. It was easy to build rapport a...

Steve & Donna

12 Molise Avenue, Kellyville

Simon Kowald is the absolute professional in all his dealings. He kept us fully informed regularly during the selling process. His knowledge is second to none in my opinion

Beryl

15 Bourne Street, Wentworthville

We found Simon Kowald to be very easy to work with when purchasing our house. He was reliable, friendly and professional and very willing to help out when needed. We are glad Simon was the agent when buying our new home.

Greg & Lucy

12 Molise Avenue, Kellyville

Simon has gone above and beyond in helping us throughout the purchase process of our new home. From advice, providing us every details and working around our schedules , Simon has been there to help through it all. He is professional, accommodating, friendly and responsive. We loved the experience!!...

Mukesh

43 Waterfall Boulevard, The Ponds

Impeccable presentation, service, professionalism, follow-ups, thoughtfulness, personal attention to every detail, all culminating in a wonderful result is how I could best summarise Simon Kowald and his great Team! I felt very much included in decision-making and so glad to meet Simon to do what he...

Buyer

15 Budawang Avenue, Kellyville

A+ Professional real estate agent! Simon Kowald has been very professional from the start till the end. He is very reliable and trustworthy. We look forward of engaging with him again in future for our next buying/selling opportunity. Thank you.

Yuya Suzuki

17/22-24 Pearce Street, Baulkham Hills

Simon made us feel so comfortable with the whole process of selling during COVID19. Simon guided us through the process in a friendly, experienced manner. He was always available and helpful when any issues arose, and with his knowledge got us through some potentially stressful situations.

Peter & Kris

17/22-24 Pearce Street, Baulkham Hills

Simon Kowald has exceed our expectations!!! What a professional yet very approachable and experienced guy. Simon’s knowledge and no nonsense approach made selling our home such a pleasant and stress free experience. Less then 1 week on the market and well above our goal price. We would highly reco...

Garrett & Angela

12 Twickenham Avenue, Kellyville

Simon was an absolute pleasure to work with and we are so pleased we chose him to sell our apartment. He was able to sell property at a price that far exceeded even our most optimistic estimates, and this was after only one open home!When we first met Simon we were very open about not being overly c...

Lachlan & Jess

25/12-18 Conie Avenue, Baulkham Hills

Simon can be best described as; highly professional, incredibly dedicated and responsive, very experienced, knowledgable and transparent. However what we respected most about Simon, was how he was so personable in his dealings, bringing care and compassion to the sale of our property. As our first p...

Dan & Lara

50/12-18 Conie Avenue, Baulkham Hills

My husband and I had great experience with Simon Kowald. We were recommended Simon by someone else who said "Simon will sell it for you fast" and he did, within a week for price above our expectations.He told us what we needed to do to sell it faster and he showed us the true value of our land which...

Sam & Diana

15 Budawang Avenue, Kellyville

I am sure Simon Kowald has obtained the best price for his customers, but on the opposite side, my own experience with Simon has been very good with quick, clear communication, an easy to deal with attitude, and many examples of going above and beyond to assist with the sale and helping out with som...

Adam

25/12-18 Conie Avenue, Baulkham Hills

Simon Kowald has made every aspect of purchasing my first property incredibly easy! He has gone above and beyond what is expected and has shown compassion and professionalism in all of our correspondence. Simon's patience with answering all of my questions in detail has been much appreciated. I c...

Negin

50/12-18 Conie Avenue, Baulkham Hills

This is a the second time we have sold with Simon Kowald and we would never use another agent! Simon far exceeded our expectations again achieving a fantastic result for our family. Selling is an emotional experience and in a ruthless industry filled with salesman who only care about themselves, Sim...

Sam Orsini

32 Saltwater Crescent, Kellyville

We met Simon Kowald on the 1st Open home of the house we purchased. He was very welcoming and friendly and was happy to answer all our questions. Simon was very quick and professional through out the whole negotiating process and we are very happy with the end result of buying a house from Simon. Si...

Adrian & Cindy

32 Saltwater Crescent, Kellyville

We were very impressed with not only Simon's real estate knowledge but his straight forward approach. He was very enthusiastic in our need to sell our home. Personally we found Simon to be very professional and honest in his comments. We are very pleased with his results and are confident that he...

Wayne

57 Excelsior Avenue, Castle Hill

We were very impressed with not only Simon Kowalds's real estate knowledge but his straight forward approach. He was very enthusiastic in our need to sell our home. Personally we found Simon to be very professional and honest in his comments. We are very pleased with his results and are confident...

Wayne & Carol

57 Excelsior Avenue, Castle Hill

My experience with Simon was FANTASTIC. He worked above and beyond. I couldn't be more happy!!When I first met Simon about 2 years ago, he was recommended to me by a lawyer (which made me slightly cautious….LOL). Simon was polite, gentle, understanding and NOT at all pushy. I was selling my Mum...

Louise Mulvey

11 Church St, Castle Hill

From our first interaction with Simon, we knew we wanted him to be our agent. Simon will always keep you updated and his knowledge of the Kellyville market was impressive. He is someone you can rely on with all aspects of selling or buying a home, we are going to miss our daily chats. We sold within...

Sean & Ree

8 Molise Ave, Kellyville

We were referred to Simon Kowald at Guardian Realty almost 9 months ago after good friends of ours had sold their property in Sept ཏ through Simon after a very similar & successful Auction campaign. Simon led a vigorous sales campaign over the 4 Saturdays we had an Open House. Even during t...

Trevor & Joanne

4 Greenoaks Avenue, Cherrybrook

Simon Kowald has made every aspect of purchasing our new home super easy! He has answered all of our (million and one) questions promptly and been available at any time for phone calls and appointments. Nothing has been too much trouble! I would not hesitate to recommend Simon, we’ve appreciated h...

Matt & Shannon

4 Greenoaks Avenue, Cherrybrook

Simon is the best! He was nice and honest to us. Help me with everything I need, and because him, I found the perfect house. Thanks Simon!

Hugh & Penny

18 Maeve Avenue, Kellyville,

Simon is a great person making sure the selling and buying experience is as transparent and smooth as it gets. Very humble, responsive and transparent.

Buyer

110 Cecil Avenue, Castle Hill

Simon Kowald is a professional, with a world of experience. Simon is a wonderful communicator to keep us informed and up to date with what is a huge decision to put your home on the market. He was happy to assist us with any questions we may have and at any time, He responded swiftly and with inform...

Wayne & Sharon

18 Maeve Avenue, Kellyville

A M A Z I N G Service! Simon Kowald's knowledge is comprehensive with timely replies.

Buyer

127 Garrawilla Avenue, Kellyville

Simon Kowald is a professional, open and a hard worker. 2 weeks after we put the house on the market, the Covid19 lockdown came into effect and the game changed. No more open homes, unsure buyers, and private inspections only. Simon worked with us to discuss strategies and kept us fully informed. He...

Megan & Ganga

127 Garrawilla Avenue, Kellyville

Professional, Transparent and Experienced! Simon was very helpful from the start providing various tips on preparing the property and an appropriate marketing campaign focussed to achieve a desirable outcome. He also had an excellent team behind him to support with various activities, as well as a p...

Iynky & Priya

171b Old Northern Road, Castle Hill

Personable, highly committed, adaptable and transparent! As an owner based in Europe, I needed an agent who was flexible with the variance in time zone and able to communicate the right information at the right times. Simon delivered in spades, often on the phone during his late night or early morni...

Dale

8 Kristy Court, Kellyville

Thank you Simon & Nicole from Guardian Realty for your support to inspect a few houses and specifically the one I have bought at Kellyville. Appreciate all the efforts you both did to negotiate the price and reach the price agreement with both parties. Wish you all the success in your future sal...

Luma Al-Fraih

8 Kristy Court, Kellyville

Simon Kowald has again proven what a great salesman he is. It has been a pleasure working with Simon to sell my house. His and Nicole's professionalism, knowledge and team work is outstanding. Making the sale of my house effortless. Thank you again Simon

Mrs Quinn

1 Woko Street, North Kellyville

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