Two-storey extensions in Longtown
Planning a bigger home in Longtown? Compare extension types and guide prices below, then book a free site visit.
Longtown at a glance
- Postcode districts
- CA6
- Area
- Cumbria, England
- Price region
- North West England
- Nearest towns
- Carlisle (8 miles), Denton Holme (8.6 miles), Brampton (10.1 miles), Wigton (14.9 miles)
- Distance to Carlisle
- about 8 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 district CA6 in and around Longtown, along with neighbouring Carlisle, Denton Holme and Brampton.
Extensions available in Longtown

Two-storey rear extensions
Longtown guide price from £53,000, Standard spec.
Learn more
Two-storey side extensions
Longtown guide price from £82,000, Standard spec.
Learn more
Two-storey wraparound extensions
Our North West England guide starts at £114,500 for this type.
Learn more
Part single, part two-storey extensions
Design, approvals and build for Longtown homes. Guide from £68,500.
Learn more
Extensions over a garage
Design, approvals and build for Longtown homes. Guide from £30,000.
Learn more
First-floor extensions
Our North West England guide starts at £24,000 for this type.
Learn more
Two-storey extensions for semi-detached houses
Design, approvals and build for Longtown homes. Guide from £53,000.
Learn more
Two-storey extensions for detached houses
Guide from £82,000 in Longtown, including VAT.
Learn more
Kitchen extensions with bedrooms above
Longtown guide price from £53,000 (before kitchen units), Standard spec.
Learn more
Extra bedroom and en-suite extensions
For homes in Longtown: typical guide from £53,000 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Longtown 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 Cumbria
- 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 Longtown
Longtown 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 Longtown
Do you cover Longtown?
Yes. We cover Longtown (CA6) and the surrounding area, including Carlisle and Denton Holme. The first site visit is free.
What does a two-storey extension cost in Longtown?
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 Longtown do you cover?
Everywhere around it, including Carlisle (8 miles), Denton Holme (8.6 miles) and Brampton (10.1 miles), and the rest of Cumbria.