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Independent comparison

Architectural Drawings London vs Resi

Like-for-like comparison on price, credentials, approval rates, and scope. We list our position and theirs; click through to verify either side.

London period house exterior with architectural character — architectural drawings in London
Criterion Us Resi
Fixed fee
Starting price
MCIAT chartered
First-time approval rate published98%Not published
Free site survey
All 33 London boroughs
Independent of build contractor

Our take. Online-first quote. Higher price point. Strong tech UX. If you're comparing on price alone, get a quote from both — we beat most London architects by 30% on like-for-like scope.

The short version

Resi operates as a online residential architecture platform. Which suits you depends on whether you want a defined drawing package at a known price or a broader service.

What does a fixed fee actually cover?

The drawings and the submission, agreed before work starts. What it never covers is the council's fee, which is statutory and identical everywhere in England: £548 for a householder application, £274 for a lawful development certificate, £249 for prior approval.

ItemAmountPaid to
Extension or loft planning setfrom £1,225us, fixed
Essentials packagefrom £840us, fixed
Mansard packagefrom £1,575us, fixed
Householder planning application£548the council, statutory
Lawful development certificate£274the council, statutory
Larger home extension prior approval£249the council, statutory
Listed building consentno feethe council, statutory

Sources: our own published fixed fees, and the Town and Country Planning (Fees for Applications) (England) Regulations 2012 as amended, 2026 rates, retrieved 1 September 2026. Statutory fees do not vary between boroughs. Mandatory fee scales for architects were abolished in 1982, so any percentage quoted anywhere is a market convention rather than a published rate.

How does Resi work?

An online-first residential architecture service, working largely remotely with a survey visit, and offering packaged stages for planning and building regulations.

Where that model is strong: Packaged stages and an online portal make progress visible, and remote working keeps overheads down.

What to establish before you commit: Ask what the survey covers and to what accuracy, whether structural calculations are included, and who attends if the council requests changes.

What do we publish?

Every figure below is on our pricing page and does not change with the size of your build. We do not quote a percentage of build cost, because it gives a designer an interest in a larger build.

Architectural Drawings London published position
CredentialMCIAT chartered architectural technologist
Fee basisFixed fee against a defined scope, never a percentage of build cost
Essentials package
Loft package
Mansard package
Complete package
Structural calculations
Party wall services
Turnaround14–20 working days (Essentials, loft); 20–28 (Complete)
Officer-requested amendmentsIncluded
CoverageAll 33 London boroughs
PositioningAround 30% below typical London architect rates

What should you ask Resi — and us?

The same ten questions work on either side, and the answers are what actually separate one quote from another.

What costs the same whoever you appoint?

Statutory fees go to the council, not the designer, and they are set nationally for England. No practice can discount them, so they should appear in every budget identically.

Statutory and third-party costs
Householder planning application£548, 8 weeks
Larger home extension prior approval£249, 6 weeks
Lawful Development Certificate (proposed)£274
Listed building consentNo fee
Building control (typical London)£500–£1,200
Party wall award, agreed surveyor£900–£1,400 per neighbour

We publish this comparison because homeowners ask for it. We describe Resi by its business model rather than asserting its current fees or performance — ask them directly and compare the answers against ours. Statutory figures are the England rates in force in 2026 under the Town and Country Planning (Fees for Applications) (England) Regulations.

An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — architectural drawings london vs resi in London
Every set is checked line by line against the validation checklist before it leaves the office.
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Architectural Drawings London vs Resi in London — the exterior of London house before works
The exterior of a london house before works — architectural drawings london vs resi in London.

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council-ready drawing review · All 33 London boroughs