Architectural drawings in N12

Where in N12 does a drawing package actually get determined?

Every N12 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. N12 fees below are the statutory England rates for 2026, not drawing package estimates.

What changes about a drawing package in each part of N12?

Roof pitch, wall build-up and plot depth change every few N12 streets, and each one changes what a drawing package can achieve at that address.

• Inside N12: Finchley (N3, N12) — 1930s semi-detached, Edwardian villas defines Finchley, where 1930s semi-detached, edwardian villas set what a drawing package can do. Any Finchley drawing package is validated by Barnet Council, with Finchley Central the usual Finchley reference point on the site plan.
• Bordering N12: Hampstead Garden Suburb (NW11) — drawing package work in Hampstead Garden Suburb means arts & crafts houses, edwardian villas. Hampstead Garden Suburb is Arts & Crafts garden suburb, conservation. Barnet Council decides the Hampstead Garden Suburb application, and Central Square anchors the Hampstead Garden Suburb location plan.
• Bordering N12: Golders Green (NW11) — a drawing package in Golders Green starts from edwardian villas, 1930s semi-detached, and Golders Green reads as Edwardian and 1930s semi-detached. in NW11. Barnet Council assesses Golders Green architectural drawings against its own Golders Green character guidance, and the location plan we draw for Golders Green references Golders Green Hippodrome.
• Bordering N12: Muswell Hill (N10) — Edwardian villas and terraces defines Muswell Hill, where edwardian villas, 1930s semi-detached set what a drawing package can do. Any Muswell Hill drawing package is validated by Barnet Council, with Alexandra Palace the usual Muswell Hill reference point on the site plan.
• Bordering N12: Hendon (NW4) — a drawing package in Hendon starts from 1930s semi-detached, post-war flats, and Hendon reads as 1930s semi-detached, post-war flats. in NW4. Barnet Council assesses Hendon architectural drawings against its own Hendon character guidance, and the location plan we draw for Hendon references RAF Museum.
• Bordering N12: Mill Hill (NW7) — Georgian and 1930s detached defines Mill Hill, where georgian villas, 1930s detached and semi-detached set what a drawing package can do. Any Mill Hill drawing package is validated by Barnet Council, with Mill Hill Village the usual Mill Hill reference point on the site plan.
• Bordering N12: Edgware (HA8) — drawing package work in Edgware means 1930s semi-detached, post-war flats. Edgware is 1930s semi-detached, post-war flats. Barnet Council decides the Edgware application, and Edgware Tube anchors the Edgware location plan.
• Bordering N12: Colindale (NW9) — post-war flats, new-build defines Colindale, where post-war flats, new-build set what a drawing package can do. Any Colindale drawing package is validated by Barnet Council, with Colindale station the usual Colindale reference point on the site plan.
• Bordering N12: Whetstone (N20) — a drawing package in Whetstone starts from 1930s semi-detached, edwardian villas, and Whetstone reads as 1930s semi-detached, Edwardian villas. in N20. Barnet Council assesses Whetstone architectural drawings against its own Whetstone character guidance, and the location plan we draw for Whetstone references Totteridge & Whetstone.
• Bordering N12: East Finchley (N2) — drawing package work in East Finchley means edwardian terraces, 1930s semi-detached. East Finchley is Edwardian terraces, 1930s semi-detached. Barnet Council decides the East Finchley application, and Phoenix Cinema anchors the East Finchley location plan.

What local planning policy applies to a drawing package in N12?

Conservation areas covering N12 (North Finchley / Woodside Park): Barnet Council runs 20, and Mill Hill, Hendon, Golders Green are the ones N12 (North Finchley / Woodside Park) owners meet most. A drawing package inside a N12 (North Finchley / Woodside Park) conservation area loses permitted development, so the N12 (North Finchley / Woodside Park) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Golders Green a drawing package is judged on the street elevation first.

Article 4 and your N12 (North Finchley / Woodside Park) drawing package: Barnet Council has made no borough-wide direction, so permitted development for a drawing package in N12 (North Finchley / Woodside Park) generally survives outside N12 (North Finchley / Woodside Park) conservation areas and listed curtilages. A Lawful Development Certificate at £274 is how a N12 owner records that a drawing package was lawful.

What N12 (North Finchley / Woodside Park) is built from: 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. That mix decides the drawing package route in N12 (North Finchley / Woodside Park) more than the postcode does, and it is what a Barnet Council case officer reads first. A householder application costs £548 paid to Barnet Council direct, with 8 weeks to a decision once validated.

What happens if a N12 property sits on a boundary?

• Haringey — cross the N12 (North Finchley / Woodside Park) boundary and Haringey Council takes the drawing package instead, applying 29 conservation areas of its own around N4. We re-price architectural drawings at the N12 (North Finchley / Woodside Park) edge because Haringey policy and Barnet policy rarely align on drawing package depth.
• Enfield — the Enfield boundary runs against Barnet, so a drawing package a street from N12 (North Finchley / Woodside Park) is decided by Enfield Council instead. Enfield runs 22 conservation areas across EN1 and its neighbours, which is why architectural drawings priced for N12 (North Finchley / Woodside Park) are re-checked against Enfield policy whenever the N12 (North Finchley / Woodside Park) address sits on that edge.
• Harrow — the Harrow boundary runs against Barnet, so a drawing package a street from N12 (North Finchley / Woodside Park) is decided by Harrow Council instead. Harrow runs 29 conservation areas across HA1 and its neighbours, which is why architectural drawings priced for N12 (North Finchley / Woodside Park) are re-checked against Harrow policy whenever the N12 (North Finchley / Woodside Park) address sits on that edge.
• Brent — the Brent boundary runs against Barnet, so a drawing package a street from N12 (North Finchley / Woodside Park) is decided by Brent Council instead. Brent runs 22 conservation areas across NW2 and its neighbours, which is why architectural drawings priced for N12 (North Finchley / Woodside Park) are re-checked against Brent policy whenever the N12 (North Finchley / Woodside Park) address sits on that edge.

Sources for this N12 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.