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Postcode coverage

Architectural drawings in EN5

Barnet, Arkley and Hadley — mostly Barnet Council, with the northern edge of EN5 falling to Hertsmere in Hertfordshire.

EN5 at a glance

Primary area
Barnet / Arkley
Borough
Barnet
Planning authority
Barnet Council
Conservation areas (borough)
20
Quote turnaround
Same day

Victorian terraced street in London — architectural drawings
Services in EN5

Drawings for every EN5 property type

Questions about EN5

EN5 planning FAQ

What borough is EN5?

EN5 primarily covers Barnet / Arkley in Barnet.

Do I need planning permission in EN5?

Decisions for EN5 are made by Barnet Council. Standard Permitted Development rules apply for most rear extensions and loft conversions on terraced and semi-detached houses, unless the property is in a conservation area, is listed, or sits under an Article 4 Direction. Article 4 in Barnet: No.

What does it cost to get drawings in EN5?

Building regs from £950. We do not charge hourly. Free site survey across all EN5 addresses.

How long does a project take in EN5?

From first call to planning decision: typically 12–14 weeks. Site survey week 1, design weeks 2–3, validation 1–2 weeks, statutory 8-week determination. Barnet Council timelines align with the national norm.

What housing stock dominates EN5?

Barnet / Arkley in EN5 is characterised by the housing stock of Barnet — broadly 1930s semi-detached dominates.

Boroughs covering EN5

Local authorities

Nearby postcodes in Barnet

Architectural drawings in EN5 — a London terraced street of the type we survey
A london terraced street of the type we survey — architectural drawings in EN5.
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Where in EN5 does a drawing package actually get determined?

Every EN5 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. EN5 fees below are the statutory England rates for 2026, not drawing package estimates.

PostcodeAreaDominant stockWhat it means for a drawing package
EN5Barnet / ArkleyGeorgian fragments, 1930s semi-detachedBarnet Council covers most of EN5, though not the whole of it: the district reaches beyond Greater London into Hertsmere Borough Council's area, and each authority keeps its own conservation-area map and its own article 4 directions. We confirm which register applies from the full address, never from the first three characters of a postcode.
EN5BarnetGeorgian fragments, 1930s semi-detachedBarnet sits inside EN5; drawing package proposals here are determined by Barnet Council.
N2East FinchleyEdwardian terraces, 1930s semi-detachedAdjoining district to EN5, also inside Barnet for drawing package purposes.
N3Finchley Central1930s semi-detached, Edwardian villasAdjoining district to EN5, also inside Barnet for drawing package purposes.
N11New Southgate / Bounds Greenmixed stockAdjoining district to EN5, also inside Barnet for drawing package purposes.
N12North Finchley / Woodside Park1930s semi-detached, Edwardian villasAdjoining district to EN5, also inside Barnet for drawing package purposes.

Which EN5 neighbourhoods suit a drawing package best?

Roof pitch, wall build-up and plot depth change every few EN5 streets, and each one changes what a drawing package can achieve at that address.

Does EN5 planning policy restrict a drawing package?

EN5 (Barnet / Arkley) conservation designations: there are 20 across Barnet Council, Golders Green, Monken Hadley, Hampstead Garden Suburb among them. Designation costs a EN5 (Barnet / Arkley) owner the permitted-development route: a drawing package then needs a £548 householder application over 8 weeks, in place of the £249 prior approval route that takes 6 weeks. Golders Green is the EN5 (Barnet / Arkley) designation that most often changes a drawing package design.

No blanket Article 4 over EN5 (Barnet / Arkley): Barnet Council has not withdrawn permitted development across EN5 (Barnet / Arkley), so a drawing package outside a EN5 (Barnet / Arkley) conservation area usually keeps it. The £274 Lawful Development Certificate is still the document a EN5 owner wants on file.

The building fabric around EN5 (Barnet / Arkley): 1930s semi-detached dominates; Edwardian villas in Muswell Hill, Finchley; Garden Suburb Arts & Crafts in Hampstead Garden Suburb; post-war flats in Colindale. Suburban outer-London borough; permitted development used heavily; Hampstead Garden Suburb has its own residents' trust with additional design controls. A drawing package in EN5 (Barnet / Arkley) is scoped against that stock first, because it decides whether the scheme runs as permitted development, a £274 Lawful Development Certificate, or a full £548 application to Barnet Council.

Who decides a drawing package on the edge of EN5?

Sources for this EN5 drawing package page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.

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An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — architectural drawings in EN5
Every set is checked line by line against the validation checklist before it leaves the office.
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