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Planning drawings · Building regs · Lofts · Extensions

Planning drawings in London, drawn to be approved.

MCIAT chartered architectural drawings for planning permission, building regulations, loft conversions and house extensions across London — delivered in days, quoted as a fixed fee, and revised free until your council decides.

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Rear extension drawings from, survey included
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Drawing turnaround
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London boroughs covered

Tell us about your project

Share your address, best contact details, and the current stage you are at. If you already have sketches or existing plans, you can mention that in your message so we can respond with clearer advice and a more accurate quote.

No obligation · No spam · Reply within 1 working day
MCIAT Chartered
£2m PI Insured
LABC Partnered
ICO Registered
What we draw

Every drawing your council will ever ask for.

From first sketch to approved stamp — planning application drawings, building regulations packages and structural calculations produced in-house by chartered technologists.

Published prices

What it costs, survey included.

Every price is the total you pay, with the measured survey, drawings, council submission and free revisions until your council decides. Council planning fees are separate and paid to the council.

ServiceTotal you pay
Planning application drawings (householder)From £825 inc survey
(£625 if you supply measured drawings)
Single-storey rear extensionFrom £765 inc survey
(£565 if you supply measured drawings)
Side return extensionFrom £825 inc survey
(£625 if you supply measured drawings)
Two-storey extension (planning drawings)From £1,115 inc survey
(£915 if you supply measured drawings)
Rear dormer loft conversionFrom £765 inc survey
(£565 if you supply measured drawings)
Mansard loft conversion (planning)From £945 inc survey
(£745 if you supply measured drawings)
Lawful development certificate drawingsFrom £715 inc survey
(£515 if you supply measured drawings)
Building regulations drawingsFrom £825 inc survey
(£625 if you supply measured drawings)
Get my fixed quoteSee all pricesChecked 24 October 2026.

Thirty-three boroughs. One team that knows them all.

From Camden's conservation officers to Croydon's validation checklists — we submit planning permission applications across London every week, so yours lands exactly how your council expects it.

Fixed published fees
33/33 boroughs covered

Find your borough  ·  Compare borough approval rates

Planning cost calculator

What will your project cost?

Pick your project, tell us where it is, and an accurate fixed quote lands in your inbox within 60 minutes — with a free planning appraisal of your property's potential. No obligation, no pressure.

How it works

Quote to approval, without you lifting a pen.

Watch how it flows — from your 60-second quote to the council's decision. You'll always know exactly where your project stands via your online portal.

Leave a quote60 seconds online — free feasibility check
Day 0
Laser surveyYour home measured millimetre-perfect
Day 2–4
Plans drawnExisting & proposed sets, council-ready review
Day 7–11
SubmittedFiled to your borough, tracked in your portal
Day 12
ApprovedDecision managed — we handle every council query
Week 8–10
01

Your property

Tell us the address and what you want to build. We check borough constraints the same day.

02

Scope & fixed fee

Choose a package. The price we quote is the price you pay — no hourly surprises.

03

Laser survey

We measure your property with laser precision, so drawings match reality millimetre for millimetre.

04

Drawings in 7 days

Existing and proposed planning drawings delivered to your portal, with a council-ready review before submission.

05

Approval managed

We submit, track and respond to your council until the decision lands. You just watch progress.

The work itself

What council-ready looks like.

Every set is drawn to your borough's validation checklist and reviewed before it ever reaches a planner's desk.

Existing & Proposed · Elevation Set Architectural elevation drawings of a London Victorian terrace with rear extension

Chartered precision, fixed-fee certainty.

MCIAT chartered drawings, one fixed fee agreed before we start.

Borough-specific knowledgeWe know each validation team's quirks before they email you about them.
In-house structural engineeringCalculations coordinated with the drawings from day one.
Online client portalDrawings, messages and council correspondence — one login, zero chasing.
Our promise

Priced to win. Backed to the decision.

Highly competitive fixed fees — quoted free, agreed upfront, and backed by four commitments we put in writing.

Fixed-fee quotes

One written fee for the agreed scope, sent within one working day. The price we quote is the price you pay.

7-day drawings

Survey to full drawing set in seven days — while other practices are still booking your first meeting.

Free redraws to approval

If your council asks for revisions, we redraw at no charge — as many times as it takes to get the decision.

Same-day answers

Message your technologist before 3pm, hear back the same working day. No gatekeepers, no voicemail purgatory.

Questions

Asked often.

Do I even need planning permission?+
Possibly not — many extensions and lofts fall under permitted development rights. We check your property's eligibility first, and if a full application isn't needed we'll recommend a Lawful Development Certificate instead, which is faster and cheaper.
What's the difference between planning and building regs drawings?+
Planning drawings show the council what the building will look like and how it affects neighbours. Building regulations drawings show how it will be built safely — structure, insulation, fire escape, drainage. Most projects need both; our Complete package covers the two together.
How much do planning drawings cost in London?+
It depends on your property and the scope of the drawings — which is why we quote a fixed fee for your exact project, free, within one working day. The price we quote is the price you pay.
Why use a chartered technologist instead of an architect?+
For residential planning and building regs work, an MCIAT chartered technologist produces council-accepted drawings with professional accountability to CIAT. Councils don't score applications by the author's job title.
How long does planning permission take in London?+
Drawings are typically delivered within 7 days of survey. Councils then have a statutory 8 weeks for householder applications. Lawful Development Certificates usually resolve faster.
What is the free approval report?+
Enter your postcode and project and we score your approval odds using live decision data from your borough's planning register — before you spend anything on drawings. It flags conservation areas, Article 4 directions and your council's current approval rate.
Do you cover all London boroughs?+
Yes — we prepare and submit planning and building regulations drawings in all 33 London boroughs, from Camden's conservation officers to Croydon's validation checklists, and track every application through to decision.
What happens if the council refuses?+
We review every drawing against your borough's local plan before submission. If the council refuses, we'll advise on revisions or handle the appeal.

Planning drawings for your London home, quoted in one working day.

Planning permission, building regulations, loft conversion or house extension plans — tell us the address and the ambition, and a fixed, no-obligation quote comes back within one working day. If you don't need planning at all, we'll tell you that too.

Get your free fixed quote

60 seconds now. A fixed, no-obligation quote back within one working day — and we'll tell you if you don't even need planning.

No obligation · No spam · Reply within 1 working day

Start with a free quote.
Finish with an approval.

Tell us your address and your ambition — we'll confirm feasibility and a fixed fee within one working day.

Get my free quote

Or call us — 020 7864 7245