November 12, 2026
Quick Answer: A single-storey extension in the UK costs £1,800–£2,800 per m² in 2026 — so a 20 m² kitchen extension runs £36,000–£56,000, and a 30 m² wrap-around £60,000–£90,000+. Double-storey extensions cost £1,600–£2,400 per m². Fees (architect, structural engineer, building control), VAT and the fit-out drive the final figure as much as the build itself.
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Quick Answer: Re-siding (re-cladding) a typical UK 3-bed semi costs £7,000–£14,000 depending on material: uPVC cladding £5,000–£9,000, fibre cement board £8,000–£14,000, timber cladding £9,000–£16,000, and full render replacement £4,000–£8,000. Scaffolding, insulation upgrades and repairs to the wall behind all add to the bill. “Re-siding” is the American term for replacing a house’s exterior cladding —
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Quick Answer: Concrete is walkable after 24 hours, takes light loads at 3 days, reaches about 70% strength at 7 days, and full design strength at 28 days. These are minimums — cold weather, wet mixes and thick pours all extend the timeline. Never rush loading; concrete cracked in its first week never fully recovers.
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Quick Answer: A mini split (ductless mini-split heat pump) moves heat between indoors and outdoors using a refrigerant cycle: an outdoor compressor unit connects via small pipes to one or more indoor wall units. In summer it pumps heat out (cooling); in winter it reverses and pumps heat in (heating). No ductwork needed, and efficiencies
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Quick Answer: Replacing a roof on a typical UK 3-bed semi costs £5,000–£8,000 for concrete tiles, £7,000–£12,000 for slate, and £4,000–£6,000 for felt on a flat roof. Terraced houses run £4,000–£7,000; detached homes £8,000–£15,000+. Scaffolding (£800–£1,500), battens, membrane and skip hire are all on top of the headline tile price. A roof replacement is one
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Quick Answer: Silicone sealant forms a skin in 30–60 minutes and is shower-ready in 24 hours, but full cure takes 24–48 hours for standard sanitary silicone (longer for thick beads or cold, dry conditions). The acetic-cure type smells of vinegar while curing; neutral-cure is odourless and better for stone and mirrors. Silicone sealant is the
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Quick Answer: Remodelling a sauna means stripping it back to the frame, upgrading insulation and the vapour barrier, replacing benches and cladding with heat-suitable timber (alder, aspen or thermo-wood), and usually fitting a modern heater with proper ventilation. A UK DIY sauna refresh costs £1,500–£4,000; a full professional remodel runs £6,000–£15,000 depending on size and
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Quick Answer: Cement mixes are touch-dry in 24–48 hours, but curing takes much longer. Concrete reaches about 70% strength in 7 days and full strength in 28 days. Screeds and renders dry at roughly 1 mm per day, and cold, damp UK weather slows everything down considerably. Ask any builder “how long does cement take
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Quick Answer: To build a treehouse around a tree trunk, support the platform with treehouse attachment bolts (TABs) or floating brackets rather than nailing beams straight into the trunk. Build a freestanding-style frame on knee braces around the tree, leave a 5–8 cm gap around the trunk for growth, and frame the decking around the
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Quick answer: A container home in the UK typically costs £30,000–£100,000+ all in. A basic single 20ft container conversion runs £20,000–£40,000, a comfortable 40ft one-bedroom home £35,000–£65,000, and a multi-container family home £60,000–£120,000+. The container itself is the cheapest part — insulation, groundworks, and services are where the money goes. Shipping container homes have gone
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