Extensions & Lofts
Single and double-storey extensions, wrap-arounds and loft conversions that add real space and value.
Design & build · Greater Manchester · Est. 2007
From the
ground up.
Extensions, new builds and full renovations for homes and businesses across the North West, delivered on time, on budget, and finished to a standard you'll be proud to live in.
- 180+Projects delivered
- 17Years building
- 10yrStructural warranty
Accredited & guaranteed
- FMB Master Builder
- NHBC Registered
- Gas Safe
- Part P Certified
- 10-Year Structural Warranty
01 What we build
One team, from drawings to keys.
We're a full design-and-build company, so a single team takes your project from the first sketch to the final handover. No finger-pointing between trades, no gaps in the plan.
New Builds
Ground-up homes and developments, from foundations and structure through to a turnkey finish.
Renovations & Refurbs
Full-house renovations and period restorations that respect the building and bring it up to date.
Groundworks & Structural
Foundations, underpinning, steel and structural alterations, done right where it matters most.
Kitchens & Bathrooms
Considered, hard-wearing kitchens and bathrooms fitted by our own joiners and tilers.
Design & Build
Architecture, planning, structural design and build under one roof, one contract, one point of contact.
02 Selected projects
Work we'd happily hand you the keys to.
New build
A 24-home development in Cheshire
Full design-and-build, groundworks to handover, 14 months.
New build
Four-bed detached homes · Hale
Development
Terraced scheme · Salford
03 How we work
A build that runs like clockwork.
01
Consultation & design
We listen, measure up, and turn your ideas into drawings and a realistic scope.
02
Fixed quote & timeline
A clear, itemised price and programme in writing, so you know exactly what and when.
03
The build
One project manager, our own trades, weekly updates and a tidy, respected site.
04
Handover & warranty
A snagged, spotless finish, signed off with you and backed by a 10-year warranty.
0Projects delivered
0Years building
0On-time completion
0From 120+ reviews
04 Why Stonemark
Builders who actually turn up.
We're a Greater Manchester building firm with our own trades on the books, not a rotating cast of subbies. That means better quality, tighter timelines, and one team who own the result from start to finish.
- Directly employed, time-served tradespeople
- Fixed prices and written programmes
- One project manager, weekly updates
- Fully insured with a 10-year structural warranty
05 Clients
Homeowners & developers rate us.
★★★★★
They project-managed our double-storey extension end to end. On budget, two days early, and the site was spotless every Friday.
★★★★★
We've used Stonemark on three new-build plots now. Reliable, properly organised, and the finish sells the houses for us.
★★★★★
They renovated our whole Victorian terrace. Kept the character, fixed everything that was hidden, and never went quiet on us.
06 Start your project
Let's build
something good.
Tell us what you've got in mind, an extension, a new build, a full renovation, and we'll arrange a no-obligation visit and a clear, fixed quote.
- TEL 0161 496 0123
- EML hello@stonemarkbuild.co.uk
- STU Greater Manchester · Mon–Fri 8–6