Get in touch: +44 207 223 6417 (8am-5pm)

London’s Leading Design & Build House Extension Company

We are a South West London residential design & build company specialising in high-end, contemporary modern architectural design.

Our projects involve house extensions, basement conversions and full house renovations.

For an initial chat and a no-obligation quote, please contact us.

DESIGN & BUILD

Our tailor-made service combines planning, design & construction from start to finish.

ARCHITECTURAL DESIGN

We have an in house team of specialists. From Chartered Architectural Technicians right through to Interior Design Architects.

BASEMENTS

We implement a variety of innovative, contemporary solutions to basements of any kind.

EXTENSIONS

We design, manage and build a wide variety of bespoke extension projects.

LOFT CONVERSION

We design and build bespoke loft conversion solutions for almost any kind of London residential property.

REMODELLING

We can help remodel your property to create a bright, fresh, design-led home.

Explore our recent projects

London House Renovation

Renovating & Refurbishing Homes throughout London

APT Truck Outside a Full Renovation Property

We provide

Renovations on Edwardian, Victorian, Georgian & Modern homes throughout West London
Many aesthetic additionals such as remodelling, repointing & rebuilding crumbling old walls
Electricians for rewiring the newly mapped & reconfigured spaces

Interior Design & Fit Out

Giving you options on the look & feel of your home

We Can

Take the client to an ongoing project for ideas & project scope
Provide a document upon completion for all services and suppliers, and all their warranties
Creative lighting design, and help with accessories, furniture and fabric choices

Budgeting, Investment & Finance

We have expert on-hand individuals for budget advice

We Advise upon

Areas where higher quality & durability may be achieved at expense to budget
Materials & fixtures where choosing a less expensive option will reduce overall cost with little to no difference on the end product.
Investment opportunities & the best way to bring ROI if you are opting to soon sell the home

Featured Testimonials

After meeting 3 different Architects we found that there was a clear difference in the ideas, enthusiasm and attention to detail. They had great ideas and we talked about various options that was open to us within our budget.

Jonathan Perkins

The end product is great, the team is always courteous, and the company clearly has integrity in its conduct. Team treated our home with respect throughout, which is not always the case with other building companies.

Constantin Mayer

We are very pleased with the work that APT undertook on our home. We engaged APT for the design and build service and we have been very satisfied with the work from start to finish.

Hillary Buchanan