Two-storey extensions in Westhoughton
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Westhoughton.
Westhoughton at a glance
- Postcode districts
- BL5
- Area
- Greater Manchester, England
- Price region
- North West England
- Nearest towns
- Atherton (2.2 miles), Hindley (2.6 miles), Tyldesley (3.4 miles), Leigh (3.6 miles)
- Distance to Manchester
- about 12.7 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
Around Westhoughton we also work in Atherton, Hindley and Tyldesley, and across the rest of Greater Manchester. Postcode district in and near Westhoughton: BL5.
Extensions available in Westhoughton
Two-storey rear extensions
For homes in Westhoughton: typical guide from £53,000.
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Two-storey side extensions
Westhoughton guide price from £82,000, Standard spec.
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Two-storey wraparound extensions
For homes in Westhoughton: typical guide from £114,500.
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Part single, part two-storey extensions
For homes in Westhoughton: typical guide from £68,500.
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Extensions over a garage
Guide from £30,000 in Westhoughton, including VAT.
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First-floor extensions
Guide from £24,000 in Westhoughton, including VAT.
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Two-storey extensions for semi-detached houses
From £53,000 in Westhoughton. Free visit to firm it up.
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Two-storey extensions for detached houses
Design, approvals and build for Westhoughton homes. Guide from £82,000.
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Kitchen extensions with bedrooms above
From £53,000 (before kitchen units) in Westhoughton. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Our North West England guide starts at £53,000 (plus en-suite) for this type.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Westhoughton we also design annexes, home offices and bedrooms over garages.
Also available in Greater Manchester
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Westhoughton
Westhoughton is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Westhoughton
Do you cover Westhoughton?
Yes. We cover Westhoughton (BL5) and the surrounding area, including Atherton and Hindley. The first site visit is free.
What does a two-storey extension cost in Westhoughton?
Using our North West England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £53,000–£72,000 including VAT. An extension over a garage is about £30,000–£43,500.
Which other places near Westhoughton do you cover?
Everywhere around it, including Atherton (2.2 miles), Hindley (2.6 miles) and Tyldesley (3.4 miles), and the rest of Greater Manchester.