// Plan Your Budget
Estimated Costs
Please use our visual guide with 3D models to gain an immediate estimate for the most common home extension or loft conversion types. Work isn't limited to the types listed, please contact us to discuss your bespoke requirements.
book your free consultation
Learn more about what we can do specifically for you by booking a FREE consultation with one of our experts.
Book NowHome Extensions
Double Storey Side Extension
Detached House, Terraced/ Semi-Detached House (No Rear Addition)
Guide Price: From £85,000
Wrap Around Flat Roof Extension
Detached House
Guide Price: From £90,000
Wrap Around Crown Roof Extension
Detached House
Guide Price: From £97,000
Rear Extension Crown Roof
Detached House
Guide Price: From £56,500
Rear Single Story Extension – Flat Roof
Guide Price: From £52,000
Rear Extension Pitched Roof
Detached House
Guide Price: From £55,000
Wrap Around Extension (With Gabled Roof)
Terraced/ Semi-Detached House (With Rear Addition)
Guide Price: From £80,000
Side Return and Rear Extension
Terraced/ Semi-Detached House (With Rear Addition)
Guide Price: From £80,000
Rear Single Storey Extension
Terraced/ Semi-Detached House (With Rear Addition)
Guide Price: From £45,000
Wrap Around Extension
Terraced/ Semi-Detached House (With Rear Addition)
Guide Price: From £80,000
Side Return Extension
Terraced/ Semi-Detached House (With Rear Addition)
Guide Price: From £50,000
Rear Extension Flat Roof
Terraced/ Semi-Detached House (No Rear Addition)
Guide Price: From £45,000
Rear Extension Crown Roof
Terraced/ Semi-Detached House (No Rear Addition)
Guide Price: From £51,500
Rear Extension Gabled Roof
Terraced/ Semi-Detached House (No Rear Addition)
Guide Price: From £50,000
Rear Extension Pitched Roof
Guide Price: £48,000
Loft Conversions
L-Section Conversion
Guide Price: From £65,000
Rear Mansard Conversion
Guide Price: From £57,000
Hip To Gable With Rear Dormer Conversion
Guide Price: From £60,000
Rooflight Conversion
Guide Price: From £45,000
Rear Dormer Conversion
Guide Price: From £53,000
