Cumbria · North West
Home Extension Costs in Carlisle
Carlisle offers some of England's most affordable home extension costs, reflecting its northern border location. The city's solid Victorian and Edwardian housing stock responds well to sympathetic rear and side extensions.
Extension Types Available in Carlisle

Single Storey Extension
A single storey rear or side extension is one of the most popular home improvements in the UK, adding valuable living space without the complexity of multi-level construction.
Estimated cost in Carlisle
£23,240 – £36,520
Typical 20m² project

Double Storey Extension
A double storey extension adds significant space on two levels, making it cost-effective per square metre compared to two separate single storey extensions.
Estimated cost in Carlisle
£39,840 – £63,080
Typical 40m² project

Loft Conversion
A loft conversion transforms unused attic space into a habitable room, offering one of the best returns on investment of any home improvement project.
Estimated cost in Carlisle
£22,825 – £36,313
Typical 25m² project

Kitchen Extension
A kitchen extension creates a modern, open-plan living and dining space, typically extending the rear of the property to accommodate a larger kitchen area.
Estimated cost in Carlisle
£23,157 – £37,350
Typical 18m² project

Garage Conversion
A garage conversion transforms an existing garage into a habitable room, offering one of the most affordable ways to add living space without building an extension.
Estimated cost in Carlisle
£8,093 – £15,563
Typical 15m² project