Lancashire · England

Two-storey extensions in Burnley

Homeowners in Burnley can use us for the whole project or just the drawings and approvals. Start with a free visit.

Burnley at a glance

Postcode districts
BB10 and BB11
Area
Lancashire, England
Price region
North West England
Nearest towns
Brierfield (1.7 miles), Nelson (Lancashire) (2.7 miles), Padiham (3.3 miles), Colne (4.7 miles)
Distance to Preston
about 19.4 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.

Burnley sits about 19.4 miles from Preston. Closer to home, Brierfield is 1.7 miles away and Nelson (Lancashire) 2.7 miles.

Extensions available in Burnley

Which type suits your house?

Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.

Also available in Lancashire

Rules for Burnley

Burnley 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 Burnley

Do you cover Burnley?

Yes. We cover Burnley (BB10 and BB11) and the surrounding area, including Brierfield and Nelson (Lancashire). The first site visit is free.

What does a two-storey extension cost in Burnley?

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 Burnley do you cover?

Everywhere around it, including Brierfield (1.7 miles), Nelson (Lancashire) (2.7 miles) and Padiham (3.3 miles), and the rest of Lancashire.

Nearby towns

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