Home Extensions in Mill Hill

KV Design & Build Ltd designs and builds home extensions in Mill Hill — managing the project from design and planning through to a completed, decorated, and snagged result. We take on rear extensions, side-return infills, double-storey additions, and wrap-around schemes, depending on what your property allows and your brief requires.

Mill Hill: local property context

In Mill Hill, rear single-storey kitchen-dining extensions and side-return infill extensions are the most popular projects here, given the terraced street layout. Substantial Edwardian and interwar detached and semi-detached houses. Mill Hill village has some older Georgian and Victorian stock. Large plots and generous gardens are a feature; properties often have space for significant extensions or new-build in the curtilage. Extensions in this area need to sit well with the local streetscape and the character of the existing property, and we design ours accordingly — using materials and detailing that complement rather than clash with what is already there.

Why choose KV Design & Build in Mill Hill?

Mill Hill has conservation area coverage that means some works requiring only a permitted development notification elsewhere need full planning here. Our design team understands these requirements and designs extensions that achieve client goals while meeting the local authority's design guidance. We are experienced across North London boroughs and understand the party-wall, logistics, and planning dynamics that apply in Mill Hill. We include party-wall notice advice and building regulations management within our service.

Extensions — what we provide

Our extensions service is fully integrated: design, structural calculations, planning or PD notification, building regulations submission and sign-off, construction by our own teams and managed specialist trades, and final snagging. The finished extension is connected, decorated, and ready to use. We are Safe Contractor accredited and fully insured, and our NICEIC-registered electricians handle all electrical works within the build. Contact us for a free no-obligation site visit.