Loft Conversions & House Extensions in South West London
We design and build high-quality loft conversions and house extensions across South West London and Surrey. From dormer loft conversions and mansard roofs to rear and side return extensions, we help homeowners create more space, improve property value and transform how their homes work.
Experienced Loft & Extension Specialists
Years of experience delivering high-quality loft conversions and house extensions across South West London and Surrey.
Tailored Design & Build Service
Every project is carefully planned to suit your property, lifestyle and budget.
Trusted Local Team
Reliable, professional and committed to delivering projects on time and to the highest standards.
Create More Space Without Moving Home
A loft conversion & house extension are among the most effective ways to improve your home without the cost and disruption of moving. At SW Loft Extensions, we design and build loft conversions and house extensions across South West London and Surrey, helping homeowners create practical, well-planned living spaces that add long-term value.
Why Invest in a Loft Conversion or Extension?
A well-designed loft conversion or house extension can completely transform how your home works, creating additional space for growing families, home offices or modern open-plan living. It is also one of the most effective ways to increase the value of your property while making it more practical for everyday use.
• Create additional living space without moving
• Increase the value of your property
• Improve layout and functionality
• Make better use of unused loft space
Loft Conversions Designed Around You
- Dormer loft conversions
- Hip-to-gable conversions
- Velux (rooflight) conversions
- Mansard loft conversions
House Extensions That Transform Your Home
- Rear extensions
- Side return extensions
- Wraparound extensions
- Open-plan kitchen extensions
Our Process
We guide you from the initial idea to completed works with a clear and structured approach.
Initial Consultation
We discuss your ideas, requirements and budget.
Site Assessment
We assess your property and advise on the best options.
Design & Quotation
We prepare a clear plan and detailed quotation.
Build & Project Delivery
Our team completes the work to a high standard.
Completion & Handover
Final checks and handover of your new space.
Recent Loft Conversion and Extension Projects
Take a look at some of our recent projects across South West London and Surrey.
Why Choose SW Loft Extensions
- Specialists in Loft Conversions & House Extensions in South West London
- Clear quotations with no hidden surprises
- Practical design solutions tailored to your property
- High standards of workmanship and attention to detail
- Part of the established Snow White Professionals group
Areas We Cover
We provide loft conversion and house extension services throughout South West London and nearby Surrey areas, including:
- Surbiton
- Kingston upon Thames
- Wimbledon
- Richmond
- Twickenham
- New Malden
- Worcester Park
- Chessington
- Esher
- Sutton
If you are unsure whether we cover your area, please feel free to contact us and we will be happy to discuss your project.
Ready to Start Your Project?
Get in touch today for a free quote and practical advice tailored to your home.
We’ll guide you through every step — from idea to completion.
As a thank-you, we often surprise our clients with a personalised gift upon project completion.