KDS London London interior design, in writing
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The index

  1. Interior Designer Fees Explained: Hourly, Per Square Metre, and Percentage Models Costs 9 min Interior Designer Fees Explained: Hourly, Per Square Metre, and Percentage Models How UK interior designers charge: hourly, day, per room, per square metre and percentage fees, with real London figures and what each model means for you.
  2. How to Find and Hire the Right Interior Designer in London Guides 9 min How to Find and Hire the Right Interior Designer in London A practical London guide to finding, vetting and hiring an interior designer: where to look, fee structures, the questions to ask and red flags to avoid.
  3. Interior Designer Cost Calculator: Estimate Your London Design Fee Tools Interior Designer Cost Calculator: Estimate Your London Design Fee Free interior designer cost calculator: enter your rooms, floor area and budget and see your likely design fee across hourly, day, per-room, per square metre and percentage models, with the London uplift built in.
  4. London Renovation Cost Calculator: Estimate Your Refurbishment Budget per m² Tools London Renovation Cost Calculator: Estimate Your Refurbishment Budget per m² Free London renovation cost calculator: enter your floor area and finish level to estimate your refurbishment budget per square metre, split into build cost, design fee and contingency.
  5. Paint Calculator: How Much Paint Do I Need for a Room? Tools Paint Calculator: How Much Paint Do I Need for a Room? Free paint calculator: enter your room dimensions, number of coats and doors and windows to work out how many litres and tins of paint you need, with an estimated cost.
  6. Cost-Plus vs Retail: Interior Designer Procurement Markup Calculator Tools Cost-Plus vs Retail: Interior Designer Procurement Markup Calculator Compare buying furniture through your interior designer at trade price plus margin against buying it yourself at retail. See whether cost-plus procurement saves you money or adds to the bill.

KDS London is a guide and directory for anyone planning a home or flat interior project in London and the wider Greater London area. We cover what interior design actually costs here, how designers charge, the styles worth knowing, and the honest question of whether you need a designer at all or can manage the work yourself.

If you are weighing up a renovation, a refurbishment, or a redecoration, start with the cost and planning guides. They use London figures, not national averages, so you can budget for a one bed flat in Hackney or a Victorian terrace in Wandsworth without guessing. When you are ready to talk to someone, the directory lets you browse and compare interior designers and studios by area, project type, and budget.

We also help the designers and studios on the other side of that search. If you run a London practice and want enquiries from local homeowners who already understand roughly what their project involves, this is where they look first.