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Single storey rear extension on a Scottish sandstone house, with sliding glass doors open to a new kitchen

House Extensions in Dumbarton

Single and two-storey extensions, from drawings and warrant to the completion certificate.

House Extensions · Dumbarton

House Extensions in Dumbarton

Dumbarton is a town on the north bank of the River Clyde, where the River Leven joins it. Its castle rock overlooks the water, and Loch Lomond is a short drive north.

For most families the extension becomes the room the whole house is used from. One of our closest projects to Dumbarton is the open plan kitchen extension in Kilmarnock, about 23 miles away. We also work in Bishopton, Kilmacolm and Houston, close to Dumbarton.

Dumbarton is about 23 miles from our Kilmarnock office as the crow flies. Planning and building warrant applications for Dumbarton go to West Dunbartonshire Council, and we deal with them for you.

Dumbarton at a glance

  • Location
    Dumbarton, West Dunbartonshire
  • From our office
    About 23 miles from Kilmarnock
  • Planning authority
    West Dunbartonshire Council
  • Design and warrant
    CWJ Architectural Design Services

What we handle

  • Plastering, kitchens and finishes
  • Completion certificate
  • Site visit and feasibility
  • Drawings, planning and building warrant
Options

Types of extension

About our house extensions →

Single-storey rear extensions

Usually a new kitchen and family space opening onto the garden with bifold or sliding doors.

Two-storey extensions

Extra living space downstairs and another bedroom or bathroom above, designed and built as one project.

Side and wraparound extensions

Using the side of the house, or wrapping round the back and side, to get the very most from the plot.

Kitchen extensions

A new kitchen built into the extension, supplied and fitted by our own team as part of the job.

Extensions with a knock-through

Opening the existing house into the new space, with a beam sized by a structural engineer.

Garden room style extensions

A single bright room off the house, with large glazing opening straight onto the garden.

Design and build

One company, start to finish

Drawings, planning, the building warrant, costing and the build itself, handled by one team for your project in Dumbarton.

4.9

From 56+ Google reviews
Excellent project from start to finish. Cutwood's attention to detail is fantastic. ... Sticking to the task until is properly finished. Delighted with the work.
Mike H.Bathroom and study · Google review
Kris, the estimator turned up on time and provided a comprehensive quote 3 days after the visit, I made a couple of changes, and each time, he provided quotes within a day or two. The work started on the day they said it would ...
Tom N.Flooring and porch, Ayr · Google review
We cannot recommend Cutwood Joinery enough. We have just completed our project which involved removing a wall between our kitchen and dining room, removing doors through to our conservatory, floors brought to same height making it a large open plan space.
Susan B.Wall removal and open plan · Google review
Questions

House Extensions in Dumbarton: FAQs

Do you cover Dumbarton?

Yes. Dumbarton is about 23 miles from our Kilmarnock office as the crow flies. We carry out house extensions in Dumbarton and the surrounding area.

Who deals with planning and building warrants in Dumbarton?

Dumbarton falls under West Dunbartonshire Council. Our sister company, CWJ Architectural Design Services, prepares and submits the applications, and we deal with the council through to the completion certificate.

What work do you take on in Dumbarton?

In Dumbarton we take on larger projects: house extensions, full home renovations and new builds.

What happens at the first site visit?

We look at the house, the space and what you want to use the extension for. From there we talk through what is possible and what the next steps are.

Are you members of any trade bodies?

Yes. We are members of the Federation of Master Builders and TrustMark registered, and we hold SMAS Worksafe accreditation. We are also a Living Wage Employer.

Start your project

Planning a house extension in Dumbarton?

Tell us what you have in mind and where you are. We will come back to you to arrange a site visit.

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