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London Builders
Project Management and Builders South London
Building Company in South West London

At Denham Crescent, we specialise in home extensions, loft conversions, and full renovations. Our trustworthy local experts can deliver high-quality construction for both residential and commercial property owners. Whether you’re in Wimbledon, Merton, or the wider South West London area, our fully insured and certified team works on all projects from complex constructions to minor repairs on time, on budget, and with complete transparency. Contact us today for a free consultation.

What We Offer

We offer a full range of building services to South London homeowners, from planning and design approval to final construction.

Why Our Local Wimbledon Builders Are the Right Choice

Working with local house extension builders in Wimbledon comes with many advantages. Local homes often come with challenges that many general builders overlook, including tight access points, shared boundaries, older wiring, weak loft joists, limited storage areas, and strict council oversight. We understand the area, the local building rules, and the planning process, which helps us manage permissions and council requirements smoothly. Our strong relationships with nearby suppliers help us source quality materials quickly and at fair prices, helping keep your project on schedule. Our team has years of experience in handling designs and structural challenges found in many Wimbledon homes, from period properties to modern terraces. We know how to plan around neighbour considerations, reduce disruption, and keep your home safe and functional during the build.

Our Recent Work


Have Any Questions? – Contact Us Now

To learn more on how Denham Cresent Ltd can help you achieve your vision for the property, or for a no obligation free quotation, contact us today at 0203 291 1786 or email us at projects@denhamcrescent.co.uk.

Why Choose Us

Choosing the right builder is one of the most important steps in any home project. At Denham Crescent, we bring together local expertise and the trust of other homeowners to handle your renovations and new build. What makes us different is our commitment to doing things properly. We follow all local building regulations, work with reliable suppliers, and use safe, modern construction methods.

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Proud Partner of TrustMark

Denham Crescent is an official partner of TrustMark, ensuring high-quality, reliable home improvement services. Trust us for certified, professional solutions backed by industry standards.

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Reviews from Satisfied Customers

Our customers consistently leave glowing GMB reviews, praising our exceptional service and attention to detail. At Denham Crescent, customer satisfaction is our top priority.

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Trusted by Customers on Checkatrade

Denham Crescent is proud to be a highly-rated professional on Checkatrade, with satisfied customers vouching for our reliable, top-quality home improvement services.

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Professional Building Company in South West London


Clients across South London choose us because we understand how important a home project is. Every build is carried out with care, attention to detail, and a focus on long-lasting quality. As local South London builders, we work closely with you from the first site visit to the final handover, making sure your home matches your lifestyle and needs. Our reputation in South West London is built on years of delivering compliant, council-approved projects across areas like Wimbledon, Merton, Tooting, and Clapham. We work to strict UK building standards and hold industry-recognised certifications that many general contractors do not. This local expertise allows us to solve area-specific challenges quickly and provide a smoother, more reliable construction experience than non-local competitors in the area.

Our Testimonials
Denham Crescent Is Your Trusted Building Company in South London

As leading builders in Wimbledon and the wider South West London area, we focus on honesty, quality, and customer care. Every project is managed with attention to detail and tailored to your goals, giving you a home that truly works for your lifestyle. With our experienced team, strong project management, and commitment to high standards, you can trust us to turn your ideas into a well-built, long-lasting result. Choosing local, experienced builders matters. Here’s what sets Denham Crescent apart: We know the rules, regulations, and building styles of South London and Wimbledon.

  • Get a detailed quote with no hidden costs.
  • We handle planning, design, construction, and finishing.
  • Fully certified, insured, and backed by real reviews.
  • Every job is overseen by a dedicated manager who coordinates with you.

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Our Blogs
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South London Extensions: Costs and Options in 2026

South London has a high concentration of period properties with layouts that no longer suit modern lifestyles. Narrow kitchens, limited storage, and a lack of flexible living space are common issues.

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How Much Does It Cost to Renovate a Bathroom in London? (2026 Guide)

This guide breaks down realistic 2026 cost ranges, explains what influences pricing, and highlights the key considerations you should factor into your budget before starting work.

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What Is a Piggyback Loft Conversion? A Complete UK Guide

A piggyback loft conversion is becoming popular among homeowners who already have a loft conversion but need more space. Instead of expanding the whole roof, just add a little more space after the existing dormer without bearing the cost of disruption or a new dormer.

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