West London Loft Conversion Professionals

Our team of architects 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 remodelling, extending or buying a new home, 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.


APT's Loft Conversion Experts are able to take care of the architectural design, feasibility analysis, project management, site surveys and 3D visualisation residential clients within in Kensington and many other areas of London.

Our extensive portfolio to date includes residential projects such as loft conversions, basement conversion and extensions.

We have worked and completed many projects in in Kensington which includes house extensions and loft conversions.

Design and build loft conversion Fulham

Victorian and Edwardian Loft Conversions

This is the most common type of loft conversion to happen as these houses are the most numerous in greater London, especially west London . Check the options here and you will find something similar.

Rear house extension & loft conversion Surbiton

End of Terrace / Semi Detached Loft Conversions

Most end of terrace conversions are very much the same as if the house was located mid-terrace. Howerver there are some exceptions where the gable end can have a sloping hip end.

Regardless these loft jobs have the same guidelines and are simple straight forward as APT have carried out over 60 of these type of projects.

Kitchen and Loft Conversion in Hammersmith

1920s and 1930s Terrace property Loft Conversions

This Era of property is one of the most commonly worked on through out year. We have many porfolio samples & ongoing projects for you to view.

Spacious attic & loft conversion in Clapham

Flats, Maisonettes, Conservation Areas type Loft Conversions

If you live in a conservation area, the council may not allow you to have a rear dormer, but they will let you have a mansard or a combination of Velux roof windows and small dormers.

Recent Loft Conversion Builds

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

Get a FREE No Obligation Quote

Full Name: (required)
Address and Postcode:

Your Email (required)
Telephone: (required)
Where did you hear about us?
Project type:
Your budget:
Do you require planning?
Brief Description of your project

Federation of Master Builders Thistle Insurance Services Gas Safe Engineers Dulux Expert Decorators Best of Houzz Awards