Can an extension builder in London help with planning permission?

Yes, many extension builders in London can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in London handle everything from design to construction?

Many London extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in London help with materials and finishes?

Yes, most extension builders in London can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.

Extension Builders in London

Some of our top rated extension builders in London

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Nelson and Sons General Builders
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Extension Builder in London
We are general builders taking on extensions, bathrooms, kitchens. All trades covered. All our work is guaranteed and finished to a very high standard.
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Rumahn International
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Extension Builder in London
With over 35 years of experience in the building industry, we offer a complete A–Z service across all trades — from builders, carpenters, fitters, and bricklayers to electricians, plumbers, and more. Whether it’s a minor repair or a major development project, we provide trusted professionals for every job. At Mazmo, we pride ourselves on delivering exceptional service, reliability, and peace of mind. Our “one-stop shop” approach means you don’t need to look elsewhere — we handle everything under one roof. Quality workmanship. Proven expertise. All in one place.
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JV Builder's
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Extension Builder in London
20 years of experience in Construction. Building maintenance, repair and installation. - Plumbing installation and repair. -Electrical installation and repair. -Brick work and bespoke carpentry. -Home extensions and renovations. -Flooring, vinyl and linoleum installations. -Bathroom and kitchen remodeling. We cater for both commercial and domestic customers and all of our work is fully insured and guaranteed for 12 months.
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Hilk Construction Ltd
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Extension Builder in London
Hilk is a construction company who has over 20 years experience with in the industry of commercial/residential sectors. We undertake all types of commercial/residential building works i.e extensions, landscaping, bathrooms, kitchens any internal and external work, No job to big or small.
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Vytas
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Extension Builder in London
Over 18 years experience in carpentry and general build. We do house refurbishments,extensions, loft conversions, bathroom refurbishment. High attention to quality.
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Valley Maintenance and Building Service Ltd
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Extension Builder in London
Valley Maintenance and Building Service complete all aspects of property Maintenance and Building works. Our professional builders have a vast amount of experience across various trades and industries. We are equipped to consider all types of works from the smallest maintenance job, to larger planned building works.
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