Northamptonshire · East Midlands
Home Extension Costs in Northampton
Northampton provides near-average home extension costs, offering a balance between Midlands affordability and South East quality. The town's rapidly growing suburbs have driven strong demand for extensions to family homes.
Extension Types Available in Northampton
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 Northampton
£27,440 – £43,120
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 Northampton
£47,040 – £74,480
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 Northampton
£26,950 – £42,875
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 Northampton
£27,342 – £44,100
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 Northampton
£9,555 – £18,375
Typical 15m² project