Trusted Builders in Eltham – Quality Construction & Renovation Services

Your Go-To Building Specialists in Eltham

Are you searching for professional builders in Eltham to transform your property? At Mammoth Design & Build, we offer expert construction and renovation services tailored to your needs. Whether it’s a home extension, loft conversion, kitchen or bathroom renovation, roofing work, or a full new build, our experienced team is committed to delivering top-quality results.

Our Building Services in Welling

  • Home Extensions & Loft Conversions

    Expand your living space with custom-designed home extensions and loft conversions.

  • House Renovations & Refurbishments

    Revamp your home with expert renovation services, whether modernising or restoring period features.

  • Kitchen & Bathroom Installations

    Upgrade your kitchen or bathroom with bespoke designs and high-quality fittings.

  • Roofing Services

    We provide roof repairs, replacements, and new installations, ensuring your home stays protected.

  • New Build Homes

    Building from the ground up? We manage the entire new build process to bring your dream home to life.

  • Areas We Cover in Eltham

    We serve Eltham and nearby areas, including Kidbrooke, Mottingham, Blackheath, Lee, and Sidcup.

To see how our solutions could work for you, contact us today for an initial consultation.

Our Key Services in Eltham

“Fully managed projects from design planning to construction”

Our team has over 100 years

of collective experience in:

We’ve built our business on recommendations

from loyal clients in Eltham…

  • “Mammoth builders have been amazing from start till completion"”

    Michael – WC1N

    Job: Rear extension

  • “Our experience with Mammoth design and build team was amazing. Delighted with the finished result.”

    Ahmed – SW7

    Job: Loft conversion

  • “Fantastic customer services, great attention to detail and professional - start to finish"”

    James - NW10

    Job: Garden garage conversion

  • “Thanks so much Mammoth team for a such a lovely finish. You turned our home into a heaven"”

    Jenny - RM7

    Job: Complete renovation

Frequently Asked Questions About House Renovation in Eltham

  • Many extensions fall under permitted development, but larger projects may require approval. We can help with the process.

  • Prices vary depending on the project size and specifications. We offer detailed quotes to fit your budget.

  • Yes, we provide expert kitchen and bathroom renovations, from modern designs to full refurbishments.

  • Absolutely! We offer roof repairs, replacements, and new installations to enhance your home’s protection.

  • The timeline depends on the complexity, but most extensions take 3-6 months to complete.

Why choose us

✔️ Skilled & Experienced Team – Our builders, architects, and tradespeople bring years of industry expertise to every project.

✔️ Comprehensive Building Services – From planning to final touches, we handle every step of the process.

✔️ Premium Workmanship & Materials – We use high-quality materials to ensure durable, stylish, and sustainable results.

✔️ Customer-Focused Approach – We work closely with you to meet your budget, timeline, and vision.

✔️ Fully Insured & Compliant – We follow UK building regulations to guarantee safety and quality.

Our Building Services in Welling

☎️ Get a Free Quote Today

Planning a building project in Eltham? Contact Mammoth Design & Build for a free consultation and expert advice. Let’s bring your vision to life!

E: hello@mammoth-builds.co.uk
M: 07878 719 909