Every Finchley application lands on a Barnet Council desk, assessed under the Barnet Local Plan rather than any national default.
Planning Permission in Finchley are formal consent from Barnet Council to carry out development on a Finchley property. In the N3, N12 postcode area they are assessed by Barnet Council against the Barnet Local Plan, and a Finchley householder submission costs £548 statutory, decided by Barnet Council in 8 weeks.
No Article 4 Direction covers Barnet, which keeps the Finchley permitted-development route open on unlisted houses. Finchley is 1930s semi-detached, Edwardian villas; near Finchley Central that context does most of the work in an officer report. Mill Hill is the designation that most often reshapes a Finchley proposal; Barnet carries 20 of them. Conservation status is checked against the Finchley address before design.
That mapping of Article 4 directions across Finchley happens before design, which is what keeps the Barnet Council route predictable. On Finchley plots the original rear wall and the Finchley Central ridge line set the envelope. The borough policy layer over every N3, N12 address is set out on Barnet planning. The Finchley survey then carries into loft conversion drawings in Finchley if the project runs on to construction.



The Finchley clock does not start until London Borough of Barnet validates — one to two weeks. The first thing we do in Finchley is measure — every room, every level change.
Statutory periods: 8 weeks from validation for a householder application, 13 weeks for a major scheme, 6 weeks for prior approval with a 21 days neighbour consultation, and 5 weeks for a full plans building control submission. A party structure notice requires one month notice and two months where excavation is involved.
Neighbour consultation on a Finchley case runs 21 days from registration. Every Finchley submission leaves here as a PDF set at the scales Barnet Council requires.
A Finchley scheme that respects the 45-degree line rarely draws a sustained objection. Drainage runs and manhole positions on the N3 plot are picked up on the day.
On Finchley stock the party wall stage is routine and worth timetabling. Once consent is granted, house extension drawings follows for the N3 property.
Finchley is characterised by 1930s semi-detached, edwardian villas, concentrated across N3, N12 in the Finchley Central area. On Finchley streets the 1930s semi-detached sets the structural grammar for everything that follows. Translated to the 1930s semi-detached here: edwardian houses here typically need the same householder set plus a roof plan where a dormer is proposed. On the 1930s semi-detached in Finchley it sets the beam run. A Finchley proposal that breaks the prevailing eaves line invites a refusal.
Lower-ground schemes in Finchley answer to neighbours and groundwater. A Finchley survey done once feeds architectural drawings for N3 properties and building regulations drawings later.
The Finchley package covers every sheet London Borough of Barnet asks for.
Surveyors travel to N3 addresses from the studio; the nearest stations are High Barnet, Archway, East Finchley, Mill Hill East. Appointments are booked in Finchley on weekdays and Saturdays, and the measured survey of a standard 1930s semi-detached takes two to three hours.
on Ordnance Survey grid reference TQ255905, inside the Finchley and Golders Green parliamentary constituency. Those coordinates matter in practice: a site location plan for Barnet Council must be drawn to a recognised scale over the correct grid square. Source.
Practical detail for a Finchley submission: High Barnet and Archway and East Finchley and Mill Hill East cover the N3 area; the postal town here is LONDON; dialling code 020. Site plans are drawn to the address as Barnet Council holds it.
Coverage runs across N3 (Finchley Central), which Finchley holds on its own; N12 (North Finchley / Woodside Park), which Finchley holds on its own — and Barnet Council validates against the address, so the district line matters more than the street name.
Typical Finchley work sits on Mill Hill, North Circular Road, Woodside Park, Tottenham Court Road, Octavia Hill, Downing Street, Golders Green and Muswell Hill. most Finchley sites are within walking distance of High Barnet or Archway or East Finchley.
Neighbouring coverage runs to Hornsey (N8), Wood Green (N22), Enfield Town (EN1, EN2), Palmers Green (N13), Winchmore Hill (N21), Southgate (N14); the Barnet policy is shared but the stock and the designations are not.

Price differences between Finchley projects come from the fabric — the 1930s semi-detached, level changes, and any Mill Hill heritage requirement.
Statutory application fees are set by regulation, not by the council: £548 householder, £610 for a new dwelling, £274 for a lawful development certificate, £249 for prior approval.
On a Finchley submission the statutory element is London Borough of Barnet's, not ours. London planning approval-rate dataset · Barnet planning · our London planning permission service · planning permission in Hornsey.
Your Finchley drawings are produced under professional charter, not subcontracted out and rubber-stamped. A tight Finchley plot — Finchley Central in the setting, a shared flank wall on N3 — goes to Barnet Council for advice before it goes to determination.
Drawings are produced by chartered members of the Chartered Institute of Architectural Technologists (MCIAT), the professional body for technical design and building-regulations competence. First-time approval across our London caseload is 98%. Statutory fees shown are those in force in England in 2026 under the Town and Country Planning (Fees for Applications) Regulations. Confirm your local authority at gov.uk and submission requirements on the Planning Portal. Studio: 71–75 Shelton Street, London WC2H 9JQ.
Give us the N3 postcode and we will tell you which route applies. This Finchley page was reviewed in August 2026.
It depends on the Finchley address. Houses beat flats, unlisted beats listed, and outside Mill Hill the permitted-development route usually survives. No Article 4 Direction covers Barnet, which keeps the Finchley permitted-development route open on unlisted houses. We check yours free before quoting.
The relevant designation for most Finchley addresses is Mill Hill, among 20 in Barnet. It changes what can be done at the front far more than at the rear of a N3 plot.
Predominantly 1930s semi-detached, edwardian villas across N3. On Finchley projects the 1930s semi-detached governs what is structurally possible, and the measured survey establishes it on site.
Yes, throughout Barnet. Finchley and Hornsey are handled by the same team.

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MCIAT chartered, Barnet Council experienced, and the Finchley survey is free.
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