The 10 extension builders from Google's results for Norwich, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GoogleWymondham
Birch Construction Ltd carries out fully managed house extensions in Wymondham and conservation areas throughout Norwich. The firm builds light-filled and timber-clad additions designed to update and enlarge domestic properties.
01603 511550 Unit 0 Chestnut Dr, Wymondham NR18 9SB
on GoogleNorwich
BuildX Builders, Norwich undertakes house extensions, loft conversions, and property renovations across Norwich. The firm offers an in-house 3D design service to help clients visualise project plans before construction begins.
01603 804320 19 Prince of Wales Rd, Norwich NR1 1BD
on GoogleLamas, Norwich
Jnr Building carries out residential and commercial projects across Norwich and Norfolk. The business constructs new builds, house extensions, driveways, and landscaping, while also completing garage, barn, and loft conversions.
07703 723894 Meadway, The St, Lamas, Norwich NR10 5AF
on GoogleNorwich
Extensions & Home Renovations Norwich offers house extension building services across Norwich.
on GoogleNorwich
Mtl Homes provides house extension building services to property owners in Norwich.
on GoogleNorwich
Matt Castle Building converts lofts into extra bedrooms, offices, or playrooms for clients in Norwich and across Norfolk. In addition to loft work, the business builds kitchen extensions and carries out complete home renovations.
07786 635442 86 Beaconsfield Rd, Norwich NR3 4PP
on GooglePottergate, Norwich
Designing loft conversions for inner-city terraced properties is a key focus for House extensions in Pottergate, Norwich. The practice converts unused roof space into additional bedrooms and bathrooms without expanding the home's outer footprint.
01603 855113 Fuel Studios, Kiln House, Pottergate, Norwich NR2 1DX
on GoogleNorwich
Amber Home Constructs side and rear house extensions across Norwich. The firm carries out residential expansion projects to help homeowners increase their functional living space.
01603 672638 Unit 52 Hellesdon Park Rd, Norwich NR6 5DR
on GoogleNorwich
Home Exterior carries out house extensions, driveway installations, and roofing projects throughout Norwich and the surrounding areas. The business assists residential clients with exterior property improvements and site consultations.
Norwich
M.A.N Complete Building Services delivers property extensions across Norwich and adjacent locations. The company provides structural expanding solutions designed to alter residential layouts for local homeowners.
In Norwich, single storey, per m² typically costs £1,700 – £2,400. Labour in Norfolk runs 4% below the UK median, which accounts for most of the difference from the same job elsewhere.
These are the firms from Google's results for "house extensions norwich". They are ranked on Google rating, online presence and other factors.
The figures above are Norwich ranges. These explain what drives them, so you can read a quote properly.
Per-square-metre prices for single-storey, two-storey, side return and kitchen extensions, costs by size, the fees outside the build price, and planning limits by nation.
The permitted development limits for extensions, lofts, porches and outbuildings in England, where the rights do not apply, what prior approval and a certificate cost, and how Wales, Scotland and NI differ.
When the Party Wall Act applies, which notice to serve and how far ahead, what your neighbour can do, what a surveyor's award costs, and the rules in Scotland and NI.
Under permitted development, three metres for a terrace or semi and four for a detached, doubled to six and eight under the prior approval process. Height, materials and how much garden you cover all carry separate limits, and none of it applies in a conservation area.
If you are excavating within three metres of a neighbour's foundations or building on the boundary, yes. You must serve notice two months before work starts. Skipping it is the most common reason extension projects stall.