Residential builders · Blisworth, Northampton
House Extensions& Home Renovationsbased in Blisworth, covering Northampton
More space, built properly and explained clearly. Estimates prepared by a quantity surveyor, and you only pay for each stage once you can see it finished.
Federation of Master BuildersMemberRequest an Estimate
Why homeowners call us
The Space You Need,
Without the Guesswork
Whether you’re planning a house extension in Northampton, load-bearing wall removal or a home renovation, the worries are often the same: not knowing what is happening, what it will really cost, and whether the job will drag on.
We remove those worries. You get a quantity surveyor-prepared estimate, a clear stage-by-stage plan, and a founder who stays in contact from the first visit to handover. You only pay for each stage once you can see it done.
Services
Our Services
Residential work only. One team handles the groundworks, steel, brickwork, joinery and finishes, so nothing falls between trades.
01Extensions
Design-and-build, or built from your approved drawings.
Extensions details →
02Structural Wall Removal
Load-bearing knock-throughs with engineer-specified steel.
Structural Wall Removal details →
03Renovations
Complete residential refurbishments, managed end to end.
Renovations details →
04Kitchens
Supply-and-fit, or install-only with your own units.
Kitchens details →
05Loft Conversions
Turn unused roof space into usable rooms.
Loft Conversions details →
06Garage Conversions
Convert your garage into living space.
Garage Conversions details →
07Design & Build Extensions
One team from concept to completion.
Design & Build Extensions details →
08Internal Alterations & Layout Reconfiguration
Rework your layout to suit how you live.
Internal Alterations & Layout Reconfiguration details →
09Groundworks & Foundations
The part you never see, done properly.
Groundworks & Foundations details →
10Single-Storey Extensions
More ground-floor space without moving.
Single-Storey Extensions details →
11Two-Storey Extensions
Add bedrooms and living space in one build.
Two-Storey Extensions details →
12Kitchen Extensions
Open-plan kitchen and dining space.
Kitchen Extensions details →
13Steel Beam Installation
RSJ and steelwork installed to calculations.
Steel Beam Installation details →
14Drainage Installation
New and diverted drainage for your project.
Drainage Installation details →
15Joinery & Carpentry
First and second fix carpentry by trade.
Joinery & Carpentry details →
Recent work
A Glimpse at Our Recent Work
How it works
How We Build
Stage 01 / 05
Initial Enquiry & Consultation
We talk through your plans, drawings or ideas.
Stage 02 / 05
Survey & QS Estimate
Site visit, then a quantity surveyor prepares your estimate.
Stage 03 / 05
Pre-commencement
Start date fixed. First payment due 72 hours before we start.
Stage 04 / 05
Staged Construction
4–7 clear stages, each paid only once you can see it done.
Stage 05 / 05
Practical Completion
Final inspection, Building Control sign-off where applicable, and a small final balance at handover.
Why choose us
Built on Trust
Founder · Rick Humphries
21 yrs
From apprentice bricklayer at 16 to founder.
Rick moved into carpentry at 21 and built his skills across every residential trade. He started Prime to give homeowners what he felt was missing: a builder you can trust, who tells you what’s happening at every stage.
QS-Prepared Estimates
Priced by a professional quantity surveyor, free for standard projects.
Building Control Coordination
Structural work done to engineer’s calculations and signed off properly.
Clear Day-to-Day Communication
You always know what’s happening, what’s next and why.
Clean, Considerate Sites
Respect for your home and your neighbours throughout.
Guarantee Option
Optional insurance-backed guarantee at 15% of the final cost.
NVQ-Qualified Team
On-site team members hold trade-specific NVQs.
Reviews
What Our
Clients Say
Verified reviews from homeowners on Checkatrade.
Creation of open plan living space
Rick and his team built our kitchen/diner extension, removed two supporting walls, and fitted the new kitchen. We were initially anxious about taking down walls, but their experience and organised approach made everything feel safe and well managed. They provided a clear quotation, kept us informed, and worked to a high standard with a friendly, “can-do” attitude.
Questions
Straight Answers
The questions homeowners ask us most before starting an extension or renovation.
For most projects, yes. Your estimate is prepared by a professional quantity surveyor and we cover that cost. On rare occasions, for unusually large or complex schemes, a detailed estimate is £250 including VAT, we will always tell you before any work on it starts.
Areas covered
Local to Northampton
Our base is at Blisworth Hill Business Park. Our Northampton builders work on homes across the towns and villages around it. Explore our Northamptonshire building service areas.
Get started
Tell Us About
Your Project
Two minutes now saves weeks later. Share the basics and Rick will call you to talk it through, no sales script, no pressure.
07704 675073Request an Estimate
Ready to Build?
Request a quantity surveyor-prepared estimate, free for most projects.