Buckinghamshire · South East
Home Extension Costs in Aylesbury
Aylesbury's Buckinghamshire location and commuter appeal drive home extension costs above the national average. The county town's Georgian centre and surrounding modern estates see steady demand for rear and side extensions.
Extension Types Available in Aylesbury

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 Aylesbury
£32,200 – £50,600
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 Aylesbury
£55,200 – £87,400
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 Aylesbury
£31,625 – £50,313
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 Aylesbury
£32,085 – £51,750
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 Aylesbury
£11,213 – £21,563
Typical 15m² project