01
Extensions
Single and two-storey extensions built from the foundations up — groundwork, blockwork, brickwork, roofing and the finishing inside.
Builders in Harwell, Didcot & South OxfordshireBuilt properly.
Finished beautifully.
From extensions and full renovations to kitchens, bathrooms, brickwork and patios, MC Builders & Son take care of the whole job — from the groundwork to the final finish.
Family-run limited company
Groundwork to finishing touches
Free, no-obligation quotes
What we do
One team for the whole build
Whether it's a new extension, a tired kitchen or bathroom, or a garden that needs sorting, we plan it with you and see it through to a clean, lasting finish.
02
Renovations
Rooms stripped back and rebuilt: stud walls, plastering, flooring and making good, so the space works the way you need.
03
Kitchen fitting
New kitchens fitted from start to finish, including any building work, flooring and making good around them.
04
Bathroom fitting
Complete bathroom and shower room refits — strip-out, tiling, sanitaryware, heated towel rails and flooring.
05
Brickwork & blockwork
New walls, garden and retaining walls, porches, outbuildings and repairs, built neatly and to last.
06
Patios, paving & landscaping
Porcelain and natural stone patios, paths, steps, raised beds and retaining walls to finish the outside properly.
A look at our work
A new stable block, built from the ground up.
Built from the first trench to the last roof sheet: concrete foundations, blockwork and facing brick, a steel frame with timber roof trusses, timber cladding, and a power-floated concrete floor with stalls fitted inside.
- Foundations, blockwork and facing brick
- Steel frame and timber roof trusses
- Timber cladding and a corrugated roof
- Power-floated floor and stalls inside
Our work
Recent projects
Extensions, renovations, bathrooms, kitchens, brickwork and patios from around Harwell, Didcot and South Oxfordshire. Choose a project to see the photos.
How we work
Straightforward from first visit to final finish
- 01
Free visit
Mark comes out to look at the job, talks through what you'd like and gives honest advice on what will work.
- 02
Quote and contract in writing
An itemised quote with VAT shown, then a proper written contract setting out the work, the price and the payment stages before anything starts.
- 03
One team, start to finish
Groundwork, building and finishing are handled by the same family team, so nothing falls between trades.
- 04
A proper finish
We finish properly, tidy up and walk you through the work before the final invoice.
Areas we cover
Local to Harwell & Didcot
We're based in Harwell and work across South Oxfordshire and the Vale of White Horse, including:
- Harwell
- Didcot
- Abingdon
- Wantage
- Wallingford
- & surrounding areas
Not sure if we cover you? Get in touch — if you're nearby, we'll be happy to help. Contact us
Planning a project?
Tell us what you have in mind and we'll arrange a free visit and quote.
Let's get started
Get your free quote
Contact MC Builders & Son to talk through your extension, renovation or garden project.