Two-storey extensions in Barnoldswick
Everything for a two-storey extension in Barnoldswick, in one place: types, guide prices for North West England, the approval rules in England and how to get started.
Barnoldswick at a glance
- Postcode districts
- BB18
- Area
- Lancashire, England
- Price region
- North West England
- Nearest towns
- Colne (4.2 miles), Nelson (Lancashire) (5.8 miles), Brierfield (6.7 miles), Skipton (7.6 miles)
- Distance to Preston
- about 23.6 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.
Barnoldswick sits about 23.6 miles from Preston. Closer to home, Colne is 4.2 miles away and Nelson (Lancashire) 5.8 miles.
Extensions available in Barnoldswick
Two-storey rear extensions
For homes in Barnoldswick: typical guide from £53,000.
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Two-storey side extensions
Design, approvals and build for Barnoldswick homes. Guide from £82,000.
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Two-storey wraparound extensions
For homes in Barnoldswick: typical guide from £114,500.
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Part single, part two-storey extensions
For homes in Barnoldswick: typical guide from £68,500.
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Extensions over a garage
Guide from £30,000 in Barnoldswick, including VAT.
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First-floor extensions
For homes in Barnoldswick: typical guide from £24,000.
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Two-storey extensions for semi-detached houses
From £53,000 in Barnoldswick. Free visit to firm it up.
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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
Our North West England guide starts at £53,000 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Design, approvals and build for Barnoldswick homes. Guide from £53,000 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Barnoldswick 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 Lancashire
- 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 Barnoldswick
Barnoldswick 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 Barnoldswick
Do you cover Barnoldswick?
Yes. We cover Barnoldswick (BB18) and the surrounding area, including Colne and Nelson (Lancashire). The first site visit is free.
What does a two-storey extension cost in Barnoldswick?
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 Barnoldswick do you cover?
Everywhere around it, including Colne (4.2 miles), Nelson (Lancashire) (5.8 miles) and Brierfield (6.7 miles), and the rest of Lancashire.