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Glossary

Permitted Development

Householder rights to build certain extensions and conversions without applying for full planning permission. Subject to size limits, setback rules, and material matching.

London period house exterior with architectural character — planning drawings in London
Free fixed-fee quote

Tell us about your project

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

Book a call

Speak to a chartered technologist — free 15 minutes

Pick a slot that suits you. No obligation and no sales pressure — just straight answers on your planning route, fixed fee and timescale.

Need help with Permitted Development?

Talk to our MCIAT team