When planning your home extension or renovation, the first question on everyone’s mind is, how much is it going to cost?
To give you a better understanding, here are some average build prices represent mid-range specifications for a typical 3-bedroom semi-detached property. Please keep in mind that actual costs may vary depending on your specific property and design requirements.
Side extension
£65,000
Rear extension
£75,000
Side return extension
£95,000
Wrap around extension
£155,000
Two storey side extension
£150,000
Two storey rear extension
£150,000
Hip to gable loft conversion
£80,000
Loft dormer
£50,000
Velux windows
£35,000
L-shaped dormer
£60,000
Mansard loft
£80,000
Upward extension
£120,000
Garage conversion
£25,000
Internal reconfigurations
£15,000
Garden outbuilding
£30,000
Please note: These prices are strictly estimates for educational purposes only and are based on mid-range specifications. Final costs will depend on several factors such as your property’s existing condition, new proposed design, your chosen materials and finishes etc.
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