Maghull, Merseyside
Side return extension in Maghull
Thinking about a side return extension in Maghull? Infilling the narrow passage beside a Victorian or Edwardian back addition. Our team handles the drawings, the planning route and the build, and your contract is with one company throughout.
Maghull and its postcode districts L31 are part of our Merseyside coverage. Side returns suit the Victorian and Edwardian terraces found across parts of Merseyside, where the kitchen sits in a narrow back addition.
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 Maghull?
Guide prices for a side return extension in Maghull start from our North West England rate of £2,160–£3,570 per square metre, including VAT. North West prices sit below our West Midlands baseline; access on terraced streets is the main variable.
| Size | Guide price inc VAT |
|---|---|
| 2 m wide × 6 m deep (12 m²) | £26,000–£43,000 |
| 2.5 m wide × 7 m deep (17.5 m²) | £38,000–£62,500 |
Your written price follows a measured survey and an agreed design, so it reflects your house, not an average.
Do you need planning permission for a side return extension in Maghull?
The planning route for a side return extension in Maghull is set by England's householder rules and your council.
Side return infills and the side leg of a wraparound are treated as side extensions in England: single-storey, no more than 4 metres high and no wider than half the original house. They are not permitted development in conservation areas, National Parks or National Landscapes, and a joined wraparound often needs a planning application because the side and rear rules apply together.
The Party Wall etc. Act 1996 applies in England: you serve notice two months before work to a shared wall, and one month before digging foundations within 3 metres (or 6 metres for deeper foundations) of a neighbour's building. Neighbours can agree in writing; if they dissent, surveyors agree an award.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.
What are homes in Maghull like to extend?
Stone and brick terraces are common around Maghull. Where houses back onto a ginnel or alley, deliveries can come in from the rear, which makes the build tidier.
How a side return extension in Maghull 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.
Design and guide price
Two or three layout options with a guide price for each, so you choose the design knowing what it costs.
Approvals
Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.
Written price, then build
Once the design and approvals are in place, you get a fixed written price and programme, and we build through to sign-off.
Side return extensions near Maghull
From Maghull, the nearest places we also cover are Kirkby (3.1 miles) and Fazakerley (3.8 miles).
- Side return extension in Kirkby
- Side return extension in Fazakerley
- Side return extension in Litherland
- Side return extension in Ormskirk
- Side return extension in Bootle
Other work in Maghull:
FAQ
Side return extension questions in Maghull
How much does a side return extension cost in Maghull?
As a guide, £2,160–£3,570 per square metre including VAT for a standard specification. For example, 2 m wide × 6 m deep (12 m²): about £26,000–£43,000 at that rate. Your written price follows the survey.
Do I need planning permission for a rear extension in Maghull?
Often not for a single-storey rear extension of up to 3 metres (4 metres on a detached house) under permitted development, or up to 6 or 8 metres with prior approval, unless the house is in a conservation area or its rights have been removed.
Do I need my neighbour's permission?
Not their permission, but in England and Wales you must serve party wall notices, and a neighbour can consent in writing or ask for a surveyor's award.
Can I get a price without a visit?
Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.
How long does a rear extension take to build in Maghull?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
Do you handle building control in Maghull?
Yes. We apply to the council or a registered building control approver and hand over the completion certificate.