Essex · East of England
Home Extension Costs in Colchester
Colchester offers above-average home extension costs reflecting its East of England location and historic garrison town character. The town's mix of Georgian, Victorian, and modern housing provides diverse extension opportunities.
Extension Types Available in Colchester

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 Colchester
£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 Colchester
£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 Colchester
£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 Colchester
£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 Colchester
£10,530 – £20,250
Typical 15m² project