Port Glasgow, Glasgow and the Clyde
Side return extension in Port Glasgow
We plan and build side return extensions for homeowners in Port Glasgow. Infilling the narrow passage beside a Victorian or Edwardian back addition. Start with a free site visit, then a written price once the design is agreed.
Port Glasgow and its postcode districts PA13, PA14 and PA15 are part of our Glasgow and the Clyde coverage. Side return projects in Port Glasgow usually start with a drainage survey of the side passage.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a side return extension cost in Port Glasgow?
A side return extension in Port Glasgow is priced at £2,180–£3,610 per square metre including VAT as a guide, before kitchen fit-out and fees. Prices in Scotland sit a little below our West Midlands baseline; building warrant fees and drawings are budgeted separately.
| Size | Guide price inc VAT |
|---|---|
| 2 m wide × 6 m deep (12 m²) | £26,000–£43,500 |
| 2.5 m wide × 7 m deep (17.5 m²) | £38,000–£63,000 |
These are guide ranges; the written quote after the survey is the figure that counts.
Do you need planning permission for a side return extension in Port Glasgow?
Planning for a side return extension in Port Glasgow follows the Scottish householder rules.
Scottish householder rights treat the side part of a wraparound or side infill more strictly than a plain rear extension, so most need planning permission, and all need a building warrant.
There is no Party Wall Act in Scotland; neighbour matters are handled through the title deeds, common law and written agreement before work starts.
Classes 1A and 1B do not apply in conservation areas, and listed buildings need listed building consent. At the first visit we measure what is there now and tell you which route fits: permitted development or a planning application, plus the building warrant.
What are homes in Port Glasgow like to extend?
Post-war semis and terraces are common around Port Glasgow, and many have room for a single-storey rear extension within Class 1A limits.
How a side return extension in Port Glasgow comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Drawings and budget
Floor plans and elevations for the options, each with a guide price.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for the building warrant.
Fixed price and build
A written price for the agreed design, a start date and a named contact through the build, ending with the accepted completion certificate.
Side return extensions near Port Glasgow
We also build side return extensions in nearby Greenock (2.9 miles) and Dumbarton (4.6 miles).
- Side return extension in Greenock
- Side return extension in Dumbarton
- Side return extension in Vale of Leven
- Side return extension in Helensburgh
- Side return extension in Gourock
Other work in Port Glasgow:
FAQ
Side return extension questions in Port Glasgow
Do you handle building control in Port Glasgow?
Yes. We apply for the building warrant before work starts and submit the completion certificate at the end.
How much does a side return extension cost in Port Glasgow?
As a guide, £2,180–£3,610 per square metre including VAT for a standard specification. For example, 2 m wide × 6 m deep (12 m²): about £26,000–£43,500 at that rate. Your written price follows the survey.
Is a side return permitted development?
Sometimes, as a side extension within the width and height limits, but not in conservation areas, and many terraces are in one.
Can I live at home while the extension is built?
Usually yes. Most of the work is outside until the back wall is opened near the end, and that stage is screened off.
Will I need a structural engineer?
Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.
How long does a rear extension take to build in Port Glasgow?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.