020 7864 7245 [email protected] WhatsApp
Postcode coverage

Architectural drawings in EN4

East Barnet / Cockfosters — covered by Barnet Council.

EN4 at a glance

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

Technical drawings reviewed on tablet — architectural drawings in London
Services in EN4

Drawings for every EN4 property type

Questions about EN4

EN4 planning FAQ

What borough is EN4?

EN4 primarily covers East Barnet / Cockfosters in Barnet. It also touches Enfield.

Do I need planning permission in EN4?

Decisions for EN4 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 EN4?

Building regs from £950. We do not charge hourly. Free site survey across all EN4 addresses.

How long does a project take in EN4?

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 EN4?

East Barnet / Cockfosters in EN4 is characterised by the housing stock of Barnet — broadly 1930s semi-detached dominates.

Boroughs covering EN4

Local authorities

Nearby postcodes in Barnet

An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — architectural drawings in EN4
Every set is checked line by line against the validation checklist before it leaves the office.
Book a call

Speak to a chartered technologist — free 15 minutes

Pick a slot that suits you. No obligation and no sales pressure, just straight answers on your planning route.

Which postcode districts around EN4 do we cover for drawing package work?

Every EN4 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. EN4 fees below are the statutory England rates for 2026, not drawing package estimates.

PostcodeAreaDominant stockWhat it means for a drawing package
EN4East Barnet / Cockfostersmixed Victorian and inter-war stockEN4 straddles a boundary: East Barnet / Cockfosters addresses fall to Barnet Council or Enfield Council, so confirm which authority validates the drawing package before submitting EN4 drawings.
N2East FinchleyEdwardian terraces, 1930s semi-detachedAdjoining district to EN4, also inside Barnet for drawing package purposes.
N3Finchley Central1930s semi-detached, Edwardian villasAdjoining district to EN4, also inside Barnet for drawing package purposes.
N11New Southgate / Bounds Greenmixed stockAdjoining district to EN4, also inside Barnet for drawing package purposes.
N12North Finchley / Woodside Park1930s semi-detached, Edwardian villasAdjoining district to EN4, also inside Barnet for drawing package purposes.
N9Lower EdmontonVictorian terraces, post-war estatesAdjoining district to EN4, also inside Enfield for drawing package purposes.
N13Palmers GreenEdwardian villas, 1930s semi-detachedAdjoining district to EN4, also inside Enfield for drawing package purposes.
N14Southgate1930s semi-detached, Edwardian villasAdjoining district to EN4, also inside Enfield for drawing package purposes.
N18Upper EdmontonVictorian terraces, post-war estatesAdjoining district to EN4, also inside Enfield for drawing package purposes.

How does a drawing package differ street by street across EN4?

Roof pitch, wall build-up and plot depth change every few EN4 streets, and each one changes what a drawing package can achieve at that address.

Does EN4 planning policy restrict a drawing package?

How designation changes a EN4 (East Barnet / Cockfosters) drawing package: Barnet Council maintains 20 conservation areas, including Hendon, Golders Green, Monken Hadley. Inside any of them a EN4 (East Barnet / Cockfosters) drawing package cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Golders Green sets the tone for EN4 (East Barnet / Cockfosters) casework.

Article 4 and your EN4 (East Barnet / Cockfosters) drawing package: Barnet Council has made no borough-wide direction, so permitted development for a drawing package in EN4 (East Barnet / Cockfosters) generally survives outside EN4 (East Barnet / Cockfosters) conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a EN4 owner records that a drawing package was lawful.

The building fabric around EN4 (East Barnet / Cockfosters): 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 EN4 (East Barnet / Cockfosters) 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.

How designation changes a EN4 (East Barnet / Cockfosters) drawing package: Enfield Council maintains 22 conservation areas, including Gentleman's Row, Winchmore Hill, Bush Hill Park. Inside any of them a EN4 (East Barnet / Cockfosters) drawing package cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Winchmore Hill sets the tone for EN4 (East Barnet / Cockfosters) casework.

Article 4 and your EN4 (East Barnet / Cockfosters) drawing package: Enfield Council has made no borough-wide direction, so permitted development for a drawing package in EN4 (East Barnet / Cockfosters) generally survives outside EN4 (East Barnet / Cockfosters) conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a EN4 owner records that a drawing package was lawful.

The building fabric around EN4 (East Barnet / Cockfosters): Edwardian villas in Palmers Green and Winchmore Hill; 1930s semi-detached in Southgate; Victorian terraces in Edmonton; Metropolitan Green Belt north of the borough. Outer north London; Metropolitan Green Belt affects north; generally permissive elsewhere. A drawing package in EN4 (East Barnet / Cockfosters) 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 Enfield Council.

Who decides a drawing package on the edge of EN4?

Sources for this EN4 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.

Free quote for EN4

Same-day fixed quote. MCIAT chartered. No hourly creep.

Start free quoteOr contact us about your project first
Architectural drawings in EN4 — a London terraced street of the type we survey
A london terraced street of the type we survey — architectural drawings in EN4.
Further reading

Guides & next steps

You can browse every service and area to find the right fit, or set up your account to track your project. When you are ready, get a quote for your project — most homeowners have a fee in minutes — or contact us and a chartered technologist will be in touch.

Found this useful? Share it

Copies the headline and the link, ready to paste anywhere — helpful if you are planning an extension with a neighbour, builder or architect.

Free quote in 60 seconds
Call us Free quote →

Before you go…

Get a free, no-obligation quote for your project. MCIAT chartered.

council-ready drawing review · All 33 London boroughs