Will my construction project require building permission in South London?

Many construction projects in South London require planning permission depending on size and structure. We guide you through the approval process.

Who will source the necessary materials for my project?

We handle all material sourcing to ensure quality, consistency, and timely delivery throughout the project.

Do you offer design and planning services in South London?

Yes, we provide full architectural design and planning services for extensions, loft conversions, and new builds.

Who will be managing my project?

A dedicated project manager oversees your construction project from start to finish to ensure smooth delivery.

What types of projects do you handle?

We handle house extensions, loft conversions, renovations, new builds, and full property refurbishments across South London.

How do I get started with my project?

Simply contact us for a free consultation and we will guide you through planning, design, and construction steps.

Do you offer any warranties on your work?

Yes, all our work comes with workmanship guarantees for quality assurance and peace of mind.

Builders in South London

Recent projects ➜

Your Trusted Building Partner in South London

When it comes to finding a reliable and skilled builder in South London, Mammoth Design & Build is the name you can trust. With years of experience and a deep understanding of the unique architectural landscape of South London, we bring your vision to life with precision, creativity, and efficiency. Whether you're embarking on a small renovation or a large-scale construction project, our team is dedicated to delivering exceptional results tailored to your needs.

Our Services

House Extensions: Expand your living space with our bespoke house extension services, tailored to meet your specific needs and preferences.
Loft Conversions: Maximise your home's potential with a stylish and functional loft conversion, adding both space and value to your property.
Renovations: From kitchen and bathroom remodels to full-house renovations, we transform your home into the space of your dreams.
New Builds: Whether you're building your dream home or an investment property, our team ensures a smooth construction process from start to finish.

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

Our Key Services

“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 South London…

“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 Construction in South London

Most construction projects in South London will require some form of planning permission or building regulations approval. Our team will guide you through the process and handle all necessary applications to ensure compliance with local regulations.
We take care of sourcing all necessary materials for your project, ensuring the use of high-quality and sustainable materials that align with your design and budget.
Yes, we provide comprehensive design and planning services. Our experienced architects will work with you to create detailed plans that align with your vision and comply with local regulations.
Your project will be managed by a dedicated project manager who will oversee all aspects of the construction process, ensuring timely delivery and quality workmanship.
We handle a wide range of projects, including house extensions, loft conversions, renovations, and new builds. No project is too big or small for our experienced team.
Getting started is easy! Simply contact us for a consultation, and we'll discuss your project ideas, provide expert advice, and outline the next steps.
Yes, we offer warranties on our construction work to ensure peace of mind. The specific terms and duration of the warranty will be outlined in your contract, covering various aspects of the build.