Two-storey extensions in Halifax
Planning a bigger home in Halifax? Compare extension types and guide prices below, then book a free site visit.
Halifax at a glance
- Postcode districts
- HX1 and HX3
- Area
- West Yorkshire, England
- Price region
- Yorkshire and the Humber
- Nearest towns
- Elland (2.2 miles), Sowerby Bridge (2.5 miles), Brighouse (2.8 miles), Rastrick (3 miles)
- Distance to Leeds
- about 13.5 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 districts HX1 and HX3 in and around Halifax, along with neighbouring Elland, Sowerby Bridge and Brighouse.
Extensions available in Halifax
Two-storey rear extensions
Design, approvals and build for Halifax homes. Guide from £51,500.
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Two-storey side extensions
Design, approvals and build for Halifax homes. Guide from £79,000.
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Two-storey wraparound extensions
From £111,000 in Halifax. Free visit to firm it up.
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Part single, part two-storey extensions
For homes in Halifax: typical guide from £66,000.
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Extensions over a garage
Design, approvals and build for Halifax homes. Guide from £29,000.
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First-floor extensions
From £23,000 in Halifax. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Halifax homes. Guide from £51,500.
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Two-storey extensions for detached houses
For homes in Halifax: typical guide from £79,000.
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Kitchen extensions with bedrooms above
Guide from £51,500 (before kitchen units) in Halifax, including VAT.
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Extra bedroom and en-suite extensions
Halifax guide price from £51,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Which type suits your house in Halifax depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
Also available in West Yorkshire
- 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 Halifax
Halifax 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 Halifax
Do you cover Halifax?
Yes. We cover Halifax (HX1 and HX3) and the surrounding area, including Elland and Sowerby Bridge. The first site visit is free.
What does a two-storey extension cost in Halifax?
Using our Yorkshire and the Humber 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 £51,500–£69,500 including VAT. An extension over a garage is about £29,000–£42,000.
Which other places near Halifax do you cover?
Everywhere around it, including Elland (2.2 miles), Sowerby Bridge (2.5 miles) and Brighouse (2.8 miles), and the rest of West Yorkshire.