8 Leading House Extension Builder in West London
If you’re planning to add more space to your home, a house extension is a smart choice. But choosing the right builder can make all the difference. In West London, you’ll find many options—but not all deliver the same level of quality, care, and results.
Let’s take a look at some of the top-rated house extension builders in West London, starting with the one we know and trust the most:
1. Total Build Services – Our Top Pick
If you want a stress-free, professional experience from start to finish, Total Build Services is the builder to call. Based in West London, they handle everything from design and planning to construction and finishing. Their team is experienced, friendly, and easy to work with.
Total Build focuses on:
- Smart layouts that add real space
- High-quality materials
- On-time and on-budget delivery
Whether it’s a rear extension, side return, or wraparound, Total Build Services makes it look great and feel like part of your home.
2. London Builders & Construction
This company is known for quality craftsmanship and great communication. They handle all types of house extensions and are popular in areas like Ealing and Chiswick.
They offer:
- Full project management
- Structural engineering support
- Great finish quality
3. Design & Build London
With a strong design team and skilled builders, Design & Build London is ideal if you want modern results. They take care of planning permissions and use 3D visuals to help clients see the result before building starts.
4. Absolute Building and Maintenance
They’re known for doing both large and small house extensions. Their team works fast, and many clients say they’re tidy and respectful during the project.
Clients like their:
- Transparent pricing
- Clear timelines
- Attention to detail
5. The Market Design & Build
This company focuses on stylish, high-end house extensions. They work on both modern and traditional homes and offer complete planning and interior design help.
Best for:
- Full home makeovers
- Luxury extensions
- Custom design solutions
6. Buildteam
Buildteam is popular among homeowners looking for a smooth design-and-build service. They work mostly in West and South London and handle:
- Planning applications
- Loft conversions
- Rear and side extensions
They are good at breaking projects into stages, so it’s easy for homeowners to manage their budget and expectations.
7. Plus Rooms
Specialising in kitchen and living area extensions, Plus Rooms has a strong reputation for creative, light-filled spaces. They handle everything in-house, which keeps the process simple and smooth.
They’re known for:
- Clean finishes
- Great use of space
- Excellent communication
8. Ashville Inc
Ashville Inc offers house extensions along with home refurbishments and basement conversions. Their projects often feature bold, high-spec design elements. If you’re going for a more luxury look, they’re worth checking out.
They focus on:
- Premium materials
- Solid structure
- Long-term results
What to Look for in a Good Extension Builder
Before you hire any builder, make sure they meet these basic requirements:
✅ Experience
Look for builders who have completed projects similar to yours in the area.
✅ Portfolio
A good builder should be happy to show photos or examples of past work.
✅ Reviews
Check Google, Trustpilot, and other review sites to see what customers say.
✅ Clear Quotes
Avoid vague estimates. Get a breakdown of costs and timelines before signing anything.
✅ Insurance & Guarantee
Make sure your builder has public liability insurance and offers a work guarantee.
Why Choose a Local Builder?
A West London-based builder knows the area, the council rules, and the common home styles. They’re easier to reach, quicker to respond, and more invested in your community. Local builders also have strong links with trusted suppliers and contractors nearby.
Final Thoughts
A house extension is a big investment—but when done right, it pays off in more space, better comfort, and higher property value. Choosing the right builder will make your journey easier and your final result stronger.
If you want a builder that combines quality, experience, and great customer service, Total Build Services should be your first call. They bring your ideas to life while making the process smooth, clear, and worry-free.
Get in touch with Total Build Services today and take the first step toward your dream extension in West London.
