Cumbria · England

Two-storey extensions in Barrow-in-Furness

Planning a bigger home in Barrow-in-Furness? Compare extension types and guide prices below, then book a free site visit.

Barrow-in-Furness at a glance

Postcode districts
LA13 and LA14
Area
Cumbria, England
Price region
North West England
Nearest towns
Dalton-in-Furness (3.8 miles), Askam-in-Furness (5.3 miles), Millom (7.1 miles), Ulverston (7.9 miles)
Distance to Carlisle
about 55.4 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.

We cover Barrow-in-Furness (LA13 and LA14) and the places around it, including Dalton-in-Furness (3.8 miles), Askam-in-Furness (5.3 miles) and Millom.

Extensions available in Barrow-in-Furness

Which 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 Barrow-in-Furness we also design annexes, home offices and bedrooms over garages.

Also available in Cumbria

Rules for Barrow-in-Furness

Barrow-in-Furness 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 Barrow-in-Furness

Do you cover Barrow-in-Furness?

Yes. We cover Barrow-in-Furness (LA13 and LA14) and the surrounding area, including Dalton-in-Furness and Askam-in-Furness. The first site visit is free.

What does a two-storey extension cost in Barrow-in-Furness?

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 Barrow-in-Furness do you cover?

Everywhere around it, including Dalton-in-Furness (3.8 miles), Askam-in-Furness (5.3 miles) and Millom (7.1 miles), and the rest of Cumbria.

Nearby towns

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