Extensions & Conversions

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Building & Extension

Adds usable space and increases property value

Cheaper and easier than moving to a new property

Fully managed service from planning to completion

All work meets UK Building Regulations

Experienced builders, engineers, architects and planners

Frequently Asked Questions

Do I need planning permission for a loft, basement, or garage conversion in the UK?

Many loft and garage conversions fall under permitted development rights in England and don't require planning permission, provided they meet specific criteria such as a maximum of 40 cubic metres additional space for terraced houses (50 cubic metres for detached and semi-detached), don't extend beyond the existing roofline, and materials match the existing property. However, properties in conservation areas, listed buildings, or those where permitted development rights have been removed will need planning permission. Basement conversions typically require planning permission. All conversions must comply with Building Regulations regardless. We offer free initial consultations to assess your project and advise on the necessary permissions and Building Control requirements.

How much value does a loft or basement conversion add to my UK property?

According to UK property experts, a well-executed loft conversion can add 10-20% to your property's value, while basement conversions can increase value by 15-25%, particularly in London and the South East where space is at a premium. Garage conversions typically add 5-10% value but provide valuable additional living space. The return on investment is highest in areas with high property values where additional square footage commands premium prices. We design conversions that maximize both functionality and property value, ensuring high-quality finishes that comply with Building Regulations and appeal to future buyers.

How long does a typical loft, basement, or garage conversion take in the UK?

Loft conversions usually take 6-8 weeks from start to completion, garage conversions take 4-6 weeks, and basement conversions typically require 8-12 weeks due to the complexity of excavation, tanking (waterproofing), structural work, and Building Control inspections. The exact timeline depends on factors like the project scope, structural modifications needed, Party Wall Act requirements if applicable, and finishes selected. We provide detailed project timelines and work efficiently to minimize disruption to your daily life while ensuring quality workmanship and full compliance with UK Building Regulations throughout.

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