Two-storey extensions in Widnes
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Widnes.
Widnes at a glance
- Postcode districts
- WA8
- Area
- Cheshire, England
- Price region
- North West England
- Nearest towns
- Runcorn (1.4 miles), Rainhill (3.9 miles), Halewood (4 miles), Great Sankey (4.4 miles)
- Distance to Warrington
- about 6.7 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.
We cover postcode district WA8 in and around Widnes, along with neighbouring Runcorn, Rainhill and Halewood.
Extensions available in Widnes
Two-storey rear extensions
For homes in Widnes: typical guide from £53,000.
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Two-storey side extensions
Widnes guide price from £82,000, Standard spec.
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Two-storey wraparound extensions
Our North West England guide starts at £114,500 for this type.
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Part single, part two-storey extensions
Guide from £68,500 in Widnes, including VAT.
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Extensions over a garage
For homes in Widnes: typical guide from £30,000.
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First-floor extensions
Guide from £24,000 in Widnes, including VAT.
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Two-storey extensions for semi-detached houses
For homes in Widnes: typical guide from £53,000.
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Two-storey extensions for detached houses
Our North West England guide starts at £82,000 for this type.
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Kitchen extensions with bedrooms above
From £53,000 (before kitchen units) in Widnes. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Widnes guide price from £53,000 (plus en-suite), Standard spec.
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 Widnes we also design annexes, home offices and bedrooms over garages.
Also available in Cheshire
- 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 Widnes
Widnes 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 Widnes
Do you cover Widnes?
Yes. We cover Widnes (WA8) and the surrounding area, including Runcorn and Rainhill. The first site visit is free.
What does a two-storey extension cost in Widnes?
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 Widnes do you cover?
Everywhere around it, including Runcorn (1.4 miles), Rainhill (3.9 miles) and Halewood (4 miles), and the rest of Cheshire.