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Featured Projects

Featured Projects


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Builders License : 235235C

How We Work

Specialising in building granny flats on the Northern Beaches, our priority is to turn your vision into reality. Whether you are at the beginning of the process and need someone to design a granny flat from scratch or whether you have an architecturally designed, approved DA and need a reputable builder to build your granny flat, on the Northern Beaches, Multidwell Granny Flats can help.

Below are just some of the highly satisfied clients we have built granny flats for, on the Northern Beaches.

Allambie Heights
Bilgola Plateau
Dee Why


Astute young family wanting additional income to repay mortgage

With a young family and busy working lives, our clients in Newport ceased the opportunity for tenants to help repay their mortgage on their main residence by building a granny flat in the back garden.  As with all our granny flat, theirs was a unique design to compliment the main house and provide privacy for themselves and the tenants.  Once completed, our clients successfully rented out the granny flat and having created an on-going income, saw a substantial gain in value of the overall property.  As such, they then decided to sell, realising a healthy profit.  The granny flat increased interest for prospective tenants which meant their property sold before auction!

Allambie Heights, Northern Beaches, NSW

Granny flat for teenage daughter

Our client built the granny flat for their daughter in the gardens of their home. On their first meeting with Multidwell they brought a sketch showing their vision, which we worked to achieve.

“We had ample space in our back yard and needed more rooms to house our grumpy teenager! Multidwell had an excellent Display Home at Warriewood Flower Power with friendly, helpful staff and allowed us to view other granny flats during the construction process. We also spoke with a number of their existing clients who confirmed that they were professional and reliable. Multidwell’s MD was very accommodating to our unusual design and bent over backwards to make our initial sketches turn into a reality. We were highly satisfied with the efforts made to accommodate our every need. My family and I are thrilled with the end product as it well exceeds our initial expectations. We would most definitely recommend Multidwell to anyone!”

Balgowlah, Northern Beaches, NSW

Granny flat for daughter, husband and new baby

Our client came to us with a beautiful, architecturally designed granny flat to be built on her Fathers’ property. Time was of the essence as the granny flat was for her and her husband to live in and they were expecting their first child. They had engaged a Certifier and builder and were just about to start the build when the builder pulled out. Without success, the client had tried to secure another builder and then a friend told them about Multidwell. The client had not originally thought about coming to Multidwell as she thought we only built to our own designs, however, we can build to pretty much any design! We were able to work with the client, to deliver the architecturally designed granny flat, to her tight timeframes and to her budget. The client was delighted with the outcome.

Bilgola Plateau, Northern Beaches, NSW

Granny flat for retired parents

Commanding an ideal position, near public transport, within walking distance of local shops, the clients of this project were keen to build a home for their parents who wanted to be closer to their family but still wanted their own privacy and independence. A granny flat in the back garden was the perfect solution for all involved. Designing a granny flat which complimented the main house, both dwellings facing each other, the family members can share the garden and swimming pool area, at the same time as both having their own privacy and space.

Bayview, Northern Beaches, NSW

Family home, looking for addition income of long term rental

Our client, based in on Sydney’s beautiful Northern Beaches, approached us wanting to deliver a home that would provide a healthy rental income. They wanted to build a secondary dwelling that would fit in with the natural landscape of the area. They decided on our signature Platinum model, incorporating a cathedral ceiling with recycled Australian hardwood beams, hardwood timber flooring and quality fitted kitchen. The granny flat is accessed through a separate entrance running along the side of the main house, making it ideal for maximizing potential rental income as a private entrance always appeals to tenants.

Dee Why, Northern Beaches, NSW

Client who saw opportunity for a successful Airbnb granny flat

This astute client is ideally positioned very close to Dee Why beach and saw an opportunity to build a one bedroom granny flat above an existing garage. We designed a granny flat that complimented the aesthetics of the home and as can be seen from the reviews, the investment is regularly booked, returning a healthy return of $145 a night.

Please see project on Airbnb

Newport, Sydney, NSW

Granny flat purpose built for Airbnb

Having recently moved into a beautiful street in Newport, this astute client saw the potential for a granny flat to rent out through Airbnb. Being a marriage celebrant in the local area, she saw a need in the market for accommodation for wedding guests who don’t want to travel into the City but instead want beautiful accommodation close to some of the northern beaches most sought after wedding venues. With us designing and building her unique granny flat, our client literally feels she has planted a money tree in her back garden! Purpose designed, maximizing privacy between neighbours, the main house and the granny flat, with a separate entrance, a beautiful alfresco area with uninterrupted views over Pittwater, the client has been overwhelmed by the demand and bookings since the completion of the granny flat. The granny flat gives the client the added advantage for accommodation for family members as and when needed.

Please see project on Airbnb