Category Home and DIY

How to measure an internal door in the UK: measure the lining in three places, check it is square, allow 3 mm gaps and a 10 mm undercut, then pick a size.

UK standard internal door sizes: 1981 × 762 mm (6ft 6in × 2ft 6in) is the most common. Full imperial and metric size chart with thicknesses and gaps.

How to measure a sofa to fit through a door: find the clear width, then check depth, height and diagonal depth. UK door sizes, stairs and hallway tips.

How to measure a mattress in the UK: width, length and depth in cm, matching your figures to standard sizes, checking a bed frame and fitted sheets.

UK bed sizes in cm: single 90 × 190, double 135 × 190, king 150 × 200 and super king 180 × 200. Full chart with inches, plus EU and US sizes compared.

How much paint do I need per square metre? Most UK emulsions cover 10 to 17 m² per litre per coat. Use our calculator, chart and worked bedroom example.

How to measure for tiles in the UK: calculate floor and wall areas, deduct openings, add 10 to 15% waste, and check tiles per m² and BS 5385 joints.

How to measure for laminate flooring: work out the floor area, add 10% waste, divide by pack coverage, then plan expansion gaps and the last row.

How to measure for carpet in the UK: measure the longest and widest points, add 10 cm, then fit the room to a 4 m or 5 m roll. Calculator included.

How to measure a room in square metres: multiply length by width, split L-shaped rooms, add bays, convert from feet, plus a calculator and size chart.