Convert UK building-material bags into cubic metres, tonnes and coverage — or work backwards from m³ to the number of

Convertm³ to tonnesfor UK construction and landscaping materials including sharp sand, ballast, gravel, MOT Type 1, topsoil, concrete, crushed stone

This article covers DPC Height, with practical UK guidance, examples and key points to consider before planning or ordering materials.

This article covers Foundation Depth, with practical UK guidance, examples and key points to consider before planning or ordering materials.

This article covers Part A Structure, with practical UK guidance, examples and key points to consider before planning or ordering

Estimate your completeUK construction project budgetwith build costs, professional fees, planning allowances, VAT and a realisticcontingency fund. Updated for 2026

This article covers Labour Cost, with practical UK guidance, examples and key points to consider before planning or ordering materials.

Estimate the realistic base cost of your UK house extension in 2026 — by size, type, location, specification, access, ground

This article covers Patio Cost, with practical UK guidance, examples and key points to consider before planning or ordering materials.

This article covers Driveway Cost, with practical UK guidance, examples and key points to consider before planning or ordering materials.