Chartered Architectural Technology · London

Planning drawings that actually get approved — for 30% less.

MCIAT chartered drawings for planning permission, building regulations, loft conversions and house extensions — delivered across every London borough with fixed fees and a 98% first-time approval rate.

MCIAT Chartered 98% first-time approval 4.9/5 · 287 reviews
Architectural technologist reviewing floor plan drawings in London studio
30% less Than typical London architects
60 seconds To get your instant quote
Trusted by 2,400+ London homeowners & developers
RIBA · CIAT LABC registered ICO registered £2m PI Insured
What we do

Every drawing, every consent, every borough — in one place.

From a Certificate of Lawful Development for a loft conversion in Wandsworth to a listed-building consent in Hampstead, our chartered technologists handle the whole journey end-to-end.

How it works

From enquiry to approval in five steps.

A streamlined process designed around London boroughs' planning quirks — with everything in your online portal.

1. Property

Tell us your property type and postcode.

2. Scope

Pick the service — extension, loft, regs, LDC, more.

3. Survey

Book a site visit. Laser-measured in 60–90 min.

4. Drawings

First draft in 10 working days. Unlimited revisions.

5. Approval

We submit & manage the council. You relax.

Precision, not pretension

Chartered technologists. Architect-grade output. Less theatre.

Most London extensions don't need an architect — they need someone who knows Part L inside-out and has submitted to your borough fifty times. That's what chartered architectural technologists do.

  • MCIAT charteredSame regulatory weight as RIBA for planning and building control.
  • Borough-specific expertiseArticle 4, conservation areas and local policies — baked into every submission.
  • In-house structural engineeringNo waiting weeks for a subcontracted engineer — coordinated under one contract.
  • Full agent service, no hidden feesFixed price includes every revision and every council query until decision.
More about the practice
Chartered architectural technologist correcting planning drawings
Online portal

Your whole project, one quiet dashboard.

Upload deeds, receive drawings, sign fee agreements, pay in instalments, track submission status, chat with your technologist — from any device, at any hour.

  • Encrypted file transferDrop PDFs, photos or existing plans. AES-256 storage.
  • Live planning statusDirect integration with borough portals — you see updates the moment they happen.
  • Secure Stripe paymentsPay in three instalments — deposit, on drawings delivery, on submission.
Create a portal account
Tablet showing architectural floor plans on designer desk
Fixed fees · 30% below London architects

One clear price. No surprises.

We priced ourselves against every major London architectural practice. These are the numbers that came out.

Essentials

Single planning submission or LDC for straightforward projects.

from£840
Typical London architect: £1,200–£1,800
  • Measured site survey
  • Existing & proposed plans, elevations, sections
  • Planning submission or LDC application
  • Agent service through to decision
  • Unlimited revisions
Start Essentials

Bespoke

Listed buildings, conservation areas, new-builds, developers.

Custom
Architects: £4,000–£12,000+
  • Everything in Complete
  • Heritage statement & design & access
  • Listed building consent
  • Full RIBA Stages 1–5 admin
  • Planning committee representation
Discuss Bespoke
Every London borough, covered

33 boroughs. One team.

Article 4 in Islington. Basement restrictions in Camden, Westminster and RBKC. Conservation area design guides in Richmond. We submit to every London planning authority — and we know what each one approves.

Voices from London homeowners

287 reviews. 4.9 out of 5.

Passed planning with Hackney first time on a fairly bold mansard proposal. Architectural Drawings's drawings were better than the architect's quote we had been sitting on for six months, at less than half the price.

A
Anna K.
Mansard loft · Hackney

The portal was the thing. I've done projects where I chased PDFs via email for weeks. Here everything was in one place, including my stage payments. Very calming.

J
James D.
Side return extension · Clapham

Four properties in our portfolio all approved through Architectural Drawings. The retainer for developers is genuinely how this should work. Our old architect used to charge us the same for each file as if they'd never seen our templates.

M
Marcus R.
Developer · HMO conversions
Answers

Questions we get every day.

The planning system feels opaque until you've worked it for a decade. These are the six we hear most from London homeowners.

Ask about your project
Do I need planning permission for a loft conversion in London?

Most loft conversions in London fall under Permitted Development rights if the extension stays under 40m³ for terraced homes or 50m³ for semi-detached and detached, uses matching materials, and is set back at least 20cm from the eaves. Flats, conservation areas, Article 4 areas and listed buildings generally need full planning permission. We confirm eligibility at the free site survey.

What's the difference between planning drawings and building regulations drawings?

Planning drawings show what a building will look like — site location plan, proposed floor plans, elevations, sections — submitted to the local planning authority. Building regs drawings show how it will be built — structure, insulation, fire safety, ventilation, drainage — submitted to Building Control (LABC or approved inspector). Most residential projects need both.

How much do planning permission drawings cost in London?

Our fixed-fee packages start at £840 for a householder planning submission (survey, drawings, council submission). Building regs start at £840. Our Complete package covering planning + building regs + structural calcs starts at £1,750 — around 30% below typical London architect fees.

Do I need an architect or an architectural technologist?

For most residential projects — loft conversions, extensions, renovations — an MCIAT chartered technologist delivers the same planning and building control approvals as an architect, usually 30–40% cheaper. Architects add most value on bespoke design or Grade I/II* listed buildings. For a typical London extension, a technologist is the right call.

How long does planning approval take in my borough?

Once validated, a householder application takes 8 weeks for a decision across London. More complex applications take 13 weeks. Our end-to-end lead time from instruction to submission is typically 3–4 weeks: one week survey, two weeks drawings, one week client revisions.

What happens if my application is refused?

Refusals are rare — we run a 98% first-time approval rate. If it happens, we offer a free resubmission addressing the officer's reasons, or we'll prepare an appeal to the Planning Inspectorate at 50% of our standard rate. Full refund policy is published on our pricing page.

Start with a free quote.
60 seconds. No obligation.

Tell us the property, scope and postcode — we'll send a fixed-fee proposal the same day.

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