Experienced Architects & House Extension Architects in Earlsfield SW1

West London Architect Professionals

APT Renovation have helped many residential property owners extend & improve their homes. APT have completed hundreds of projects over the years from a range of modern dwelling typologies to more contemporary house conversions. Our reputation has been built on designing, planning & building beautiful spaces that improve the way people live their lives. Our design process enables you to explore various design options before you commit on your final planning permission ready design. This allows you to be confident that the end product wont veer to much from what you desire. We are always delighted to come out and perform a site visit, and take a look at your current property status. We will offer you unbiased advice on what might, or might not be possible from a planning and a design perspective and talk you through the process from getting your initial ideas into a workable design to negotiating the planning maze quickly and effectively. We a stong team of inhouse builders who are waiting and ready you turn your dream home into reality.


As qualified RIBA architects APT Renovation can offer clear concepts during the often confusing planning permission process. We can deliver contemporary or traditional designs that suit your living standards to make everyday dwelling within your property flow with continuous ease.

Whether you are renovating, extending or buying we can provide you with a wealth of information that will help you from the initial consultaion and property visit. APT Renovation Architects offer house extensions, loft conversion and basement extensions. APT will help clients throughout the planning application process submitting all the necessary documentation on their behalf and green lighting your plans as soon as possible.


It is significant to search a company who offers professional and reliable services from designing & planning to building control and project management. Our Balham based Architects offer unique and professional architectural design services. RIBA Qualified architects blend beautiful spaces, materials and natural light to create exceptional architecture including refurbishments, loft conversions and house extensions in London and its surrounding areas.

Architectural Measurements, Structural Fittings and Construction Drawings

The right fittings and finishes will make a difference to how your home looks and feels. We can create mood boards which include different textures, fixtures and materials. It will definitely help you make the right decision.
When you have approved all the final touches, our architectural designers will transfer their CAD designs to the builders.

Finishes, Fittings and Construction Drawings

Building Regulation Plans

We will handle the building regulation submissions on your behalf. Building regulations set the minimum standards for construction, this ensures the health and safety of people in or around buildings. Our project manager will make sure your work complies with the building regulations.

Building Regulation Plans

Engineering Plans

Our House Extension Architects use 2D drawings for structural and engineering plans. They include calculations in their CAD annotations to assist our builders during the work and help you make final amendments.

Engineering Plans

Office Opening Hours

Mon        08:00 – 17:00
Tue         08:00 – 17:00
Wed        08:00 – 17:00
Thu         08:00 – 17:00
Fri           08:00 – 17:00

Outside of these hours, please leave a message and we will call you straight back.

If you are an existing client and need to contact us urgently, please call the mobile number of your Project Manager

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Planning Applications and Consents

At APT Renovation, we can handle all of the long winded paperwork. We handle the communications with your local authority in Earlsfield, saving you a lot of time.
APT are familiar with the planning applications of dozens of application on a monthly basis so we know what will pass the regulators and abide the restrictions. This could because there is a house of oanother project of ours further down the same road as yours. This makes it very rare for any of our submitted planning applications to be refused.

We can handle building regulation submissions

Home Space Planning

Home space design is very important when it comes to architectural design. The concept drawings help us map out the interior and figure out the best location for features, such as drainage systems, radiators, switches.
The concept drawings are used when planning bathrooms, kitchen layouts or any joinery work.

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