Luxury House Extensions in London
Luxury house extensions from £150k–£500k+, delivered with precision, structure and clear communication.
We specialise in luxury house extensions where design integrity, build quality and detail are non-negotiable.
With over 40 years of experience, we work alongside homeowners and architects to deliver luxury extensions that enhance and increase the value of the property.
We typically take on projects from £150k+, allowing us to dedicate the time, structure and attention required to deliver them properly.
Luxury House Extensions Built Properly
We deliver luxury home extensions where quality, structure and attention to detail are essential.
Working across SW London and Surrey, we partner with homeowners and architects to bring well-designed luxury extensions to life — ensuring the build process is as considered as the design itself.
With over 40 years of experience, we understand what it takes to deliver complex luxury residential projects properly. From structural alterations to high-spec finishes, every stage is managed with clarity, precision and accountability.
We are typically engaged on projects starting from £150k, allowing us to dedicate the level of time, planning and site management required to achieve the right result.
Luxury Extension Projects
Rear and side return extensions
We deliver rear and side return extensions that maximise ground floor space while maintaining a clean, cohesive design.
These projects often involve structural alterations, steelwork and careful integration with the existing property — requiring precise planning and experienced execution.
Wraparound and full-width extensions
Wraparound and full-width extensions create substantial additional living space and completely transform how a property functions.
We work closely with architects to ensure these larger-scale builds are delivered with structural integrity, attention to detail and a high-quality finish throughout.
Structural Reconfiguration Projects
Many of our projects involve significant internal restructuring, including removing load-bearing walls and creating open-plan layouts.
We manage the structural elements carefully to ensure safety, compliance and a seamless finish once complete.
Architect-led residential extensions
We regularly work alongside architects and design teams to deliver projects exactly as intended.
Clear communication and a structured build process ensure the design vision is carried through into the finished result without compromise.
*We do not undertake small-scale building work or patchwork extensions.
Why choose Bradley Building Services?
Choosing the right contractor is critical to the success of any high-end extension.
We bring decades of experience, a structured approach to delivery and a clear focus on quality — ensuring projects are completed to the standard expected by both homeowners and architects.
- Over 40 years of construction experience
- Strong track record working alongside architects
- Focus on high-value, well-planned projects (£150k+)
- Detail-focused delivery from start to finish
- Clear communication and structured project management
We are not the cheapest — but we are consistent, reliable and structured.
You know what you are doing! You have some very good, competent people working for you.
The quote was simple and included everything, which is more than most quotes would include.
Everyone from Bradley was extremely respectful of the fact that we were living here, and making sure that things were secure and clean daily was really good.
It was the can-do attitude, willing to talk, listen and bounce off ideas that really impressed us.
I believed when you said that you wanted to do the very best job that you possibly could and you didn’t want us to be disappointed. It was the affinity that we had, and it works through the whole of your team.
Colin and the team were both able to deliver the high expectations and hopes we had with our renovation and surpass them.
We spend 90% of our time in the extension now. It has made our life in our house completely different!
Time and time again people we know that work in the industry have been amazed by the quality of the workmanship, next level has been a phrase used a lot!
The team are great and easy to deal with on every level, daily communication and constant updates were fantastic.
You demonstrated from the initial engagement that you had done this before and had done it really well, you exceed expectations.
Projects We're Best suited For
We are typically the right fit for clients who are looking to deliver a well-planned, high-quality extension with the right level of investment.
- Residential extensions with budgets from £150k+
- Properties in SW London and Surrey
- Architect-led or well-developed projects
- Clients ready to move forward within a realistic timeframe
If you’re at an early idea stage without drawings or a clear budget, we recommend speaking with an architect first before getting in touch.
A Structured Approach to Delivery
1. Initial Discussion & Project Fit
We assess whether the project aligns with our typical scope, budget and timelines.
2. Drawings Review & Build Input
We review architectural drawings and highlight practical considerations early.
3. Cost Planning & Scope Alignment
Transparent cost guidance to ensure the project is realistic before moving forward.
4. Build & Delivery
Structured project delivery with clear communication, site management and accountability throughout.
Discuss Your Project
If you’re planning a high-end extension and want a contractor who delivers with structure and clarity, we’d be happy to speak.
