Calculate cubic volume of proposed rear dormer against statutory limits (40m³ for terraced, 50m³ for detached/semi-detached).
Calculations comply directly with UK Building Regulations, BS standards (such as BS 7671 for electrical and BS 5268 for timber), incorporating customary 5-15% wastage allowances.
Yes, our algorithms follow approved statutory formulas and provides accurate guidance; however, always have critical structural work countersigned by a qualified structural engineer or Building Control officer.
Yes, while UK Building Regulations specify metric (metres, mm, kg), you can easily cross-reference standard timber sections (e.g., 4x2 inches as 100x47mm).