Oxfordshire · South East
Home Extension Costs in Oxford
Oxford's prestigious location and limited housing supply push home extension costs well above the national average. Conservation area restrictions across much of the city require careful planning for extensions to period properties.
Extension Types Available in Oxford
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 Oxford
£35,000 – £55,000
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 Oxford
£60,000 – £95,000
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 Oxford
£34,375 – £54,688
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 Oxford
£34,875 – £56,250
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 Oxford
£12,188 – £23,438
Typical 15m² project