East Sussex · South East
Home Extension Costs in Eastbourne
Eastbourne's South Coast location places home extension costs above the national average. The town's Edwardian and Victorian seafront properties and suburban housing present varied extension opportunities in a desirable setting.
Extension Types Available in Eastbourne

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 Eastbourne
£30,240 – £47,520
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 Eastbourne
£51,840 – £82,080
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 Eastbourne
£29,700 – £47,250
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 Eastbourne
£30,132 – £48,600
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 Eastbourne
£10,530 – £20,250
Typical 15m² project