
House Extensions in Johnstone
Single and two-storey extensions, from drawings and warrant to the completion certificate.
House Extensions in Johnstone
Johnstone is a town in Renfrewshire to the west of Paisley. It has a railway station on the line between Glasgow and Ayrshire, and the Black Cart Water runs nearby.
An extension is usually the biggest single change you can make to a house without moving. One of our closest projects to Johnstone is the open plan kitchen extension in Kilmarnock, about 15 miles away. We also work in Linwood, Houston and Bridge of Weir, close to Johnstone.
Johnstone is about 16 miles from our Kilmarnock office as the crow flies. Planning and building warrant applications for Johnstone go to Renfrewshire Council, and we deal with them for you.
Johnstone at a glance
- Location
Johnstone, Renfrewshire - From our office
About 16 miles from Kilmarnock - Planning authority
Renfrewshire Council - Design and warrant
CWJ Architectural Design Services
What we handle
- Electrics, plumbing and heating
- Plastering, kitchens and finishes
- Completion certificate
- Site visit and feasibility
Types of extension
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.
One company, start to finish
Drawings, planning, the building warrant, costing and the build itself, handled by one team for your project in Johnstone.
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
House Extensions in Johnstone: FAQs
Do you cover Johnstone?
Yes. Johnstone is about 16 miles from our Kilmarnock office as the crow flies. We carry out house extensions in Johnstone and the surrounding area.
Who deals with planning and building warrants in Johnstone?
Johnstone falls under Renfrewshire Council. Our sister company, CWJ Architectural Design Services, prepares and submits the applications, and we deal with the council through to the completion certificate.
Do you do kitchens and bathrooms in Johnstone?
Kitchens and bathrooms are also covered here, as Johnstone is within 25 miles of our office.
Do I need a building warrant for an extension?
Almost all extensions in Scotland need a building warrant, even where planning permission is not needed. We check what your project needs at the start and handle the application through CWJ Architectural Design Services.
Who prices the extension?
Our own quantity surveyors price the work from the approved building warrant drawings. That means the price is based on what will actually be built.
House Extensions near Johnstone
Planning a house extension in Johnstone?
Tell us what you have in mind and where you are. We will come back to you to arrange a site visit.


