The 10 builders from Google's results for Northampton, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GoogleNorthampton
PPM Builders provides residential construction and renovation services across Northamptonshire. The firm undertakes structural alterations, house extensions, roofing, driveways, and modern upgrades for rural farmhouses and town properties.
07949 442950 310 Wellingborough Rd, Northampton NN1 4EP
on GoogleNorthampton
AGS Builders Northampton delivers complete construction and maintenance solutions for homeowners and businesses in Northamptonshire. Its work includes house extensions, groundworks, bricklaying, landscaping, garage conversions, and new builds.
07977 542353 21 Oaklands Dr, Northampton NN3 3JN
on GoogleWeston Favell, Northampton
Operating in Weston Favell and Northampton, Smart Build constructs single-storey kitchen extensions and open-plan living spaces. The firm alters existing layouts and replaces conservatories with solid home additions.
01604 622608 1 Greenway, Weston Favell, Northampton NN3 3BW
on GoogleNorthampton
Swiss Build constructs high-end house extensions and structural home expansions for clients in Northamptonshire. The company manages residential building projects designed to increase living space and modernise traditional layouts.
01604 288123 Unit 7 Stafford Pl, Northampton NN3 6NN
on GoogleUpton, Northampton
Robinson Builders specialises in property extensions, home alterations, and building renovations. Based in Upton, the firm carries out building projects of various sizes for domestic clients throughout Northamptonshire.
07841 745704 14 Kent Cres, Upton, Northampton NN5 4WE
on GoogleNorthampton
A Spencer carries out house extensions, loft conversions, garage conversions, and new builds in Northamptonshire. Additional services include structural knock-throughs, kitchen renovations, and warm roof installations for local properties.
on GoogleNorthampton
Full house builds, property extensions, and complete refurbishments form the core work of Arc Northampton. Serving domestic and commercial clients in the Northampton area, the firm manages projects from pre-build design and planning through to construction.
01604 711870 28 Rushmere Rd, Northampton NN1 5RY
on GoogleNorthampton
Goodfellow Builders delivers building work across the residential, industrial, and commercial sectors in Northampton. The company carries out new builds, property extensions, alterations, and general refurbishment projects.
01604 491934 3 Deer Park Rd, Northampton NN3 6RX
on GoogleWeston Favell, Northampton
Working across Weston Favell and the wider Northamptonshire area, Lifestyle Builders handles brickwork and general construction projects. Its services encompass new house builds, property extensions, and building conversions.
01604 406682 41 Church Way, Weston Favell, Northampton NN3 3BT
Northampton
Lee Swingler provides general building services throughout Northampton, with a focus on brick and stone construction. The team undertakes house builds, extensions, and structural works for domestic clients.
In Northampton, small structural job typically costs £1,500 – £5,000. Labour in Northamptonshire runs 1% 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 "builders northampton". They are ranked on Google rating, online presence and other factors.
The figures above are Northampton ranges. These explain what drives them, so you can read a quote properly.
Per-square-metre rates for light, standard and full renovations, prices job by job, rates by region, and the VAT, fees and contingency that sit on top of the build.
2026 prices for single and double garage conversions by garage type and room, what a quote should include, the fees and VAT around the build, and the rules in each UK nation.
Which jobs are notifiable, how the application routes work, what building control inspects, and what a completion certificate is worth when you come to sell.
For anything over about £10,000, yes. The JCT Home Owner contract is short, plain English and free to buy. It fixes the payment schedule and the process if things go wrong, which is exactly what an informal arrangement does not.
Materials up front is reasonable. A large percentage of the total is not. Stage payments against completed work are the norm, and a firm insisting on 50% before starting is a warning sign.