7x4m Extension

Transform your home with confidence using this 7x4m Flat Roof Extension – Full Building Control Drawing Pack, professionally prepared by a CIAT‑registered architectural practice.
Instantly download a complete, high‑quality set of drawings including plans, elevations, section, construction details and specifications — all drafted to UK Building Regulations standards and ready for submission.
Ideal for homeowners, builders and designers who want to save time, avoid delays, and reduce design costs without compromising on accuracy or compliance.
What’s Included: • Fully dimensioned floor plans • Scaled elevations • Detailed section through the extension • Construction notes & specification • Building Control‑ready documentation • Produced by a CIAT‑registered practice
Planning Permission? Under UK Permitted Development rules, many rear extensions do not require planning permission: • Terraced & semi‑detached homes: Rear extensions up to 3m deep can fall under permitted development. • Detached homes: Rear extensions up to 4m deep can fall under permitted development.
(Always check your property’s specific constraints such as conservation areas, Article 4 directions, or previous extensions.)
Download instantly and move your project forward today. After purchase, feel free to get in touch for personalisation or adjustments tailored to your home.