Two-storey extensions in Great Harwood
Need more room in Great Harwood? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Great Harwood at a glance
- Postcode districts
- BB6
- Area
- Lancashire, England
- Price region
- North West England
- Nearest towns
- Accrington (3 miles), Blackburn (3.9 miles), Padiham (4 miles), Clitheroe (5.6 miles)
- Distance to Preston
- about 12.2 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.
Great Harwood sits about 12.2 miles from Preston. Closer to home, Accrington is 3.0 miles away and Blackburn 3.9 miles.
Extensions available in Great Harwood
Two-storey rear extensions
Design, approvals and build for Great Harwood homes. Guide from £53,000.
Learn more
Two-storey side extensions
Guide from £82,000 in Great Harwood, including VAT.
Learn more
Two-storey wraparound extensions
For homes in Great Harwood: typical guide from £114,500.
Learn more
Part single, part two-storey extensions
Design, approvals and build for Great Harwood homes. Guide from £68,500.
Learn more
Extensions over a garage
For homes in Great Harwood: typical guide from £30,000.
Learn more
First-floor extensions
Great Harwood guide price from £24,000, Standard spec.
Learn more
Two-storey extensions for semi-detached houses
From £53,000 in Great Harwood. Free visit to firm it up.
Learn more
Two-storey extensions for detached houses
From £82,000 in Great Harwood. Free visit to firm it up.
Learn more
Kitchen extensions with bedrooms above
Our North West England guide starts at £53,000 (before kitchen units) for this type.
Learn more
Extra bedroom and en-suite extensions
For homes in Great Harwood: typical guide from £53,000 (plus en-suite).
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Great Harwood we measure distances to every boundary before suggesting a type.
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 Great Harwood
Great Harwood 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 Great Harwood
Do you cover Great Harwood?
Yes. We cover Great Harwood (BB6) and the surrounding area, including Accrington and Blackburn. The first site visit is free.
What does a two-storey extension cost in Great Harwood?
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 Great Harwood do you cover?
Everywhere around it, including Accrington (3 miles), Blackburn (3.9 miles) and Padiham (4 miles), and the rest of Lancashire.