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Glossary

Airtightness

Resistance to air leakage. Tested at building-regs sign-off (in homes above a threshold size).

Victorian terraced street in London — architectural drawings in London
Free fixed-fee quote

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MCIAT chartered drawings for planning, building regs, lofts and extensions — fixed fees 30% below typical London architects. Tell us what you need and we’ll reply the same working day.

  • MCIAT chartered
  • Same working-day reply
  • Fixed fees from £840

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