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Practical guidance for London homeowners on construction costs, drawings, permissions, materials and the decisions that shape a better home.
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Extensions · Kitchens
A 3 m kitchen extension costs about £93,500 all-in in London in 2026 with a new kitchen. What £50k really buys, costs by depth, planning and the glazing rule.
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Extensions
A 10 m² side return costs about £64,500 all-in in London in 2026, or £85,500 with a kitchen. Line-by-line costs, cost per m², planning, party wall and drains.
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Extensions · Home Renovation
What a loft conversion costs in London in 2026: Velux £50k, rear dormer £80k, hip-to-gable £88k, mansard £116k all-in. Fees, VAT, postcode and house type explained.
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Kitchens
What a kitchen renovation costs in London in 2026: £12k–£20k budget, £20k–£38k mid-range, £45k+ bespoke. Labour rates, worktops, appliances and hidden costs.
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Bathrooms
London bathroom renovation costs in 2026: £5k–£8k refresh, £8k–£12k mid-range, £12k–£20k full, £20k+ luxury. What drives the price and how to save.
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Home Renovation
What a full home renovation costs in London in 2026: £800–£3,500 per m², room-by-room budgets, hidden costs, borough differences and renovate-vs-move maths.
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