- Welcome to Ascent Builders
Expert Building Services in London, South East London & Surrey
Established in 2004, Ascent Builders offers top-quality loft conversions & home extensions at a competitive cost and in a timely manner.
Skilled Team
First Class Results
Competitive Prices
5 Star Feedback
- Our Commitment to Excellence
About Ascent Builders
Higher Standards, Better Builds
Family company established in 2004
- Trusted and Reliable
- Satisfaction Guaranteed
- Skilled Builders
- Deadlines Met
- Services
We Build Beyond Expectations
Ascent Builders specialise in high-quality loft conversions, home extensions, and plastering & decorating services.

That idle space above your ceiling is full of potential. We can transform your dusty attic into a home office, an extra en-suite bedroom, a home cinema, or anything else that would improve the enjoyment of your home. Our experienced team always delivers stunning, high-quality finishes to bring your vision to life.

That bit of garden you barely use? It’s hiding your dream space.
We can turn it into a bright new kitchen, a bigger living room, or a playroom. Whatever you need — more space, better flow, room to breathe — we’ll build it with care, precision, and the kind of finish that makes it feel like it was always meant to be there.

That patch of lawn could be so much more than a place to push a mower around. We build detached garden offices that give you space to focus, think, and work — without the kitchen table chaos.
Whether you want a sleek home studio, a quiet therapy room, or just somewhere to get things done, we’ll build it properly, from the ground up, with style and a structure that lasts.

Worn-out spaces, outdated finishes, or tired-looking rooms? We transform them. Our renovations and refurbishments deliver clean, modern, and long-lasting results. Whether it’s a single room update or a full property makeover, we leave every detail flawless — ready for living, working, or simply being admired.
- Why Choose Us
Your Satisfaction is Our Top Priority
We don’t cut corners. From foundations to finishes, every stage is done properly — using quality materials, skilled contractors, and a sharp eye for detail.
We Show Up
We show up and get the job done, there are no vanishing acts or endless delays. When we agree on a start date, we stick to it. Our team turns up on time, works hard, and keeps the site tidy — because we respect your home, your time, and your sanity.
Straight-talking quotes
We don't give vague estimates, and there are no creeping costs. We give you a clear price at the start, explain exactly what it includes, and stick to it. You’ll know what you’re paying for — and why.
- Our Projects
Building a Legacy of Quality Work
Our gallery of completed projects shows our solid workmanship, sharp details, and jobs finished the right way.
Projects Completed
Satisfied Clients
Years Experience
Team Members
- Testimonials
What Customers Say About Ascent Builders
Fill out the form, and we will promptly reply to discuss your project and give you a free, no-obligation quote.
Request a Quote
Ready to Transform Your Space?
Get in touch with A2 Building Maintenance for expert decorating, plastering, and rendering services that elevate your property.
- Our Blog
Our Latest Blog Posts
How Much Value Does a Loft Conversion Really Add…
Rendering is the silent architect of curb appeal – the invisible hand that shapes first…
Think Your Loft’s Just Dead Space? Think Again
That dusty attic is doing nothing for you — but it could be the best…
The 5 Most Popular Types of Home Extension —…
If your home’s bursting at the seams, an extension could be the answer — but…