The 10 extension builders from Google's results for Newcastle, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GoogleThrockley, Newcastle upon Tyne
Dave Kendall constructs single and two-storey house extensions, loft conversions and garage additions across Newcastle upon Tyne and the North East. Work includes internal joinery, structural alterations, and kitchen and dining room installations.
0191 264 7293 11 Stuart Gardens, Throckley, Newcastle upon Tyne NE15 9LS
on GoogleTeam Valley, Gateshead
Alpine Extensions designs and constructs home extensions throughout Newcastle upon Tyne and surrounding areas. The business manages projects from preliminary designs through to planning applications, Building Regulations and final build completion.
0800 433 2699 C11, Marquis Court, Kingsway S, Team Valley, Gateshead NE11 0RU
on GoogleGosforth, Newcastle upon Tyne
J. W. Dickinson builds rear-facing and wrap-around home extensions in Newcastle upon Tyne. The firm handles projects from initial architectural design through to complete construction, expanding living spaces for local homeowners.
07920 798425 35 Bridge Park, Gosforth, Newcastle upon Tyne NE3 2DX
on GoogleNewcastle
Green's Building Solution builds house extensions for property owners across Newcastle and North Tyneside, including Gosforth, Jesmond and Whitley Bay. The team constructs additional living spaces, family rooms and home offices.
on GoogleGosforth, Newcastle upon Tyne
Gosforth Homes constructs side and ground-floor rear extensions for residential properties in Newcastle upon Tyne. The in-house team handles all general building work and fitting requirements for house expansion projects.
07399 764659 85, Grove Park Oval, Gosforth, Newcastle upon Tyne NE3 1EF
on GoogleNorth Shields
Acre Design provides architectural design and build services for house extensions in Newcastle. The firm creates plans and carries out construction work to expand living and entertaining areas for local homeowners.
0191 680 8088 Suite 14, Floor, Royal Quays, CAI Building, 4 Coble Dene, North Shields NE29 6DE
on GoogleAlbion St, Gateshead
Tyneside Home Improvements constructs house extensions and conservatories across Gateshead, South Shields, Durham and Northumberland. The company also supplies and fits replacement conservatory roofs alongside double glazed windows and doors.
0191 489 5063 Whitehill Dr, Albion St, Gateshead NE10 9AJ
Newcastle
Onpoint Building constructs home extensions and provides joinery services for properties in Newcastle and Northumberland. Its building work includes adding extra bedrooms and bathrooms or extending kitchens to expand domestic living space.
Newcastle
Northumbrian Builders constructs house extensions and orangeries across Newcastle, Northumberland and the wider North East. Services include project planning, structural design and full building management for home expansion projects.
Wallsend
J M Electrical & Property Ltd constructs single and double-storey house extensions, conservatories and outbuildings in Newcastle upon Tyne. The firm handles all stages of construction from initial designs to final building completion.
07411 339584 Atkinson Terrace, Wallsend NE28 6SS
In Newcastle, single storey, per m² typically costs £1,600 – £2,300. Labour in Tyne and Wear runs 9% 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 newcastle". They are ranked on Google rating, online presence and other factors.
The figures above are Newcastle 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.