HMO Conversion in London: The Complete Guide for Developers
Everything you need to know before converting a house into an HMO in London. Planning rules, Article 4, costs, room sizes and how to get the best yield from your project.
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Practical guides on planning, costs and design for anyone thinking about extending, converting or building a home in London.
Everything you need to know before converting a house into an HMO in London. Planning rules, Article 4, costs, room sizes and how to get the best yield from your project.
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A straightforward breakdown of what house extensions actually cost in London in 2026. We cover single storey, double storey, side returns and wrap-arounds with real price ranges.
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Which London boroughs have Article 4 Directions? What does it mean for your HMO project? We break down the rules borough by borough so you know where you stand before you buy.
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Dormer, mansard, hip-to-gable or Velux - each type of loft conversion costs something different. Here is what to expect in London this year, from architect fees to the final build.
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