Dorset · South West
Home Extension Costs in Bournemouth
Bournemouth's popular coastal setting pushes home extension costs above the national average, particularly in affluent suburbs. The town's Edwardian villas and 1930s housing are popular targets for loft conversions and rear extensions.
Extension Types Available in Bournemouth

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 Bournemouth
£30,800 – £48,400
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 Bournemouth
£52,800 – £83,600
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 Bournemouth
£30,250 – £48,125
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 Bournemouth
£30,690 – £49,500
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 Bournemouth
£10,725 – £20,625
Typical 15m² project