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Architectural Drawings Cost Calculator

Get an instant estimate for your London project. Choose your project type, tell us about your property, and see a full cost breakdown.

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Project
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Property
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Package
4
Estimate
Step 1 of 4

What type of project?

Select the service that best describes your project. Each includes professional architectural drawings for London planning authorities.

Rear Extension from £1,225
Side Return Extension from £1,225
Wraparound Extension from £1,925
Loft Conversion from £1,225
Mansard Roof from £1,575
Garage Conversion from £995
Basement Conversion from £1,950
Rear Dormer from £1,225
Planning Drawings Only from £840
Building Regs Only from £840
Structural Calculations from £350
Party Wall Services from £450
Step 2 of 4

Tell us about your property

These details help us refine your estimate. Conservation areas and listed buildings may require specialist applications.

Property type
Approximate floor area
London borough
Is the property in a conservation area?
Properties in conservation areas usually need a full planning application (not permitted development). We recommend the Bespoke package for heritage-sensitive projects.
Is the property listed?
Listed buildings require Listed Building Consent in addition to planning permission. Our Bespoke package includes heritage impact assessments and specialist documentation.
Step 3 of 4

Choose your package

All packages include MCIAT-chartered architectural technology. The price shown is calculated from your project type.

Essentials

from £546

Survey, drawings, and planning submission. Everything you need for a straightforward application.

  • Measured survey
  • Planning drawings (existing + proposed)
  • Design & Access Statement
  • Online planning submission
0.65x base fee

Bespoke

from £1,512

Heritage, listed buildings, complex sites. For projects that need specialist documentation and liaison.

  • Everything in Complete
  • Heritage impact assessment
  • Pre-application with council
  • Conservation officer liaison
  • Listed building consent package
  • Dedicated project manager
1.8x base fee
Your estimate

Here's your cost breakdown

Based on your selections for - in London

You save approximately £0 vs typical London architect fees
Drawing fee (Complete) £0
Council planning fee £258
Estimated build cost London average £/sqm £0
Total estimated project cost £0
MCIAT chartered 98% approval rate 30% below architects
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Free quote in 60 seconds — From £840 fixed fee Get my free quote →

Before you go…

Get a free, no-obligation quote for your project. Fixed fees from £840. MCIAT chartered.

98% first-time approval rate · All 33 London boroughs