Which postcode districts around Islington do we cover for permitted development scheme work?
Islington postcode by postcode: which stock we draw there, and who validates a scheme at that address. Statutory fees quoted are 2026 national rates and are not our charge.
| Postcode | Area | Dominant stock | What it means for a permitted development scheme |
|---|
| EC1Y | Bunhill / Whitecross | Georgian and early Victorian terraces | Bunhill / Whitecross sits wholly inside EC1Y, so Islington Council validates every permitted development scheme submitted from an EC1Y address. |
| N4 | Finsbury Park / Stroud Green | Victorian terraces, post-war estates | N4 is the awkward one. Finsbury Park and Stroud Green are divided between Islington, Hackney and Haringey — three authorities, three sets of local requirements, and your address is only in one of them. Settle that before anything else, because everything downstream depends on the answer. |
| N16 | Stoke Newington / Stamford Hill | Georgian and Victorian terraces | N16 is shared between Hackney and Islington across Stoke Newington and Stamford Hill. Establish the authority before drawing, and treat that as substantive rather than administrative: designation maps stop at the boundary, so the rights available can differ on facing sides of one street. |
| WC1X | Bloomsbury / Mount Pleasant | Georgian and early Victorian terraces | Bloomsbury / Mount Pleasant is split at WC1X. Either Camden Council or Islington Council can determine a permitted development scheme here, so the WC1X address is checked against both policies maps first. |
| N1 | Islington / Hoxton | Georgian and early Victorian terraces | N1 spans Islington and Hoxton, with Hackney holding the eastern part. Georgian and early Victorian terraces run through both sides and a great many are now flats — which removes permitted development whichever council is being asked. |
| N5 | Highbury | Victorian terraces, mansion blocks | N5 is Highbury, wholly Islington. Highbury is one of the borough's forty designated areas, which means a rear extension or a roof alteration there is an application rather than an entitlement. |
| N7 | Holloway / Tufnell Park | Victorian villas and terraces | N7 covers Holloway and part of Tufnell Park, Islington throughout. Terraced stock predominates and 35.9% of the borough's dwellings predate 1900 (VOA CTSOP4.1, 31 March 2025), so party wall and structural questions usually arrive before the planning ones do. |
| N19 | Archway / Tufnell Park | Victorian terraces, post-war flats | N19 crosses from Islington into Camden around Archway and Tufnell Park. The two publish separate validation requirements, so confirm which one holds the address while the package is being assembled rather than after it comes back. |
How does a permitted development scheme differ street by street across Islington?
Islington streets are not interchangeable. Pitch, wall construction and the length of the garden all differ inside a couple of hundred metres, and all three limit what a scheme can achieve at a specific address.
- Archway (N19) — Victorian terraces on the hill defines Archway, where victorian terraces, post-war flats set what a permitted development scheme can do. Most applications on these Victorian streets are householder applications validated on existing and proposed plans across N19. Any Archway permitted development scheme is validated by Islington Council, with Whittington Hospital the usual Archway reference point on the site plan.
- Tufnell Park (N7, N19) — permitted development scheme work in Tufnell Park means victorian villas and terraces. Tufnell Park is Victorian villas and terraces. Most applications on these Victorian streets are householder applications validated on existing and proposed plans throughout N7. Islington Council decides the Tufnell Park application, and Tufnell Park station anchors the Tufnell Park location plan.
- Holloway (N7) — Victorian terraces, post-war estates defines Holloway, where victorian terraces, post-war estates set what a permitted development scheme can do. Most applications on these Victorian streets are householder applications validated on existing and proposed plans across N7. Any Holloway permitted development scheme is validated by Islington Council, with Holloway Road the usual Holloway reference point on the site plan.
- Newington Green (N16) — a permitted development scheme in Newington Green starts from georgian and victorian terraces, and Newington Green reads as Georgian fragments, Victorian terraces. Applications on Georgian stock here almost always need a heritage statement alongside the drawings in N16. Islington Council assesses Newington Green permitted development schemes against its own Newington Green character guidance, and the location plan we draw for Newington Green references Newington Green.
- Angel (N1, EC1V) — Georgian terraces, dense town centre defines Angel, where georgian and early victorian terraces set what a permitted development scheme can do. Applications on Georgian stock here almost always need a heritage statement alongside the drawings across N1. Any Angel permitted development scheme is validated by Islington Council, with Angel station the usual Angel reference point on the site plan.
- Barnsbury (N1) — a permitted development scheme in Barnsbury starts from georgian and early victorian terraces, and Barnsbury reads as Georgian conservation area. Applications on Georgian stock here almost always need a heritage statement alongside the drawings in N1. Islington Council assesses Barnsbury permitted development schemes against its own Barnsbury character guidance, and the location plan we draw for Barnsbury references Barnsbury Square.
- Canonbury (N1) — permitted development scheme work in Canonbury means georgian villas, victorian terraces. Canonbury is Georgian and Victorian conservation area. Applications on Georgian stock here almost always need a heritage statement alongside the drawings throughout N1. Islington Council decides the Canonbury application, and Canonbury Square anchors the Canonbury location plan.
How do conservation areas and Article 4 affect a permitted development scheme in Islington?
Conservation areas covering Islington: forty in all, with Canonbury, Highbury and Clerkenwell the ones owners here run into most. Inside them the permitted development route closes, and the scheme becomes a householder application — 8 weeks, £548 — where an undesignated address might have taken the 6-week prior approval at £249. The prior approval route is close to a dead letter in this borough in any case: 13 larger-householder applications determined in three years, fewer than one a quarter, a base far too small for any refusal rate to be computed honestly. In Clerkenwell the case turns on the street elevation ahead of the plan.
What Article 4 removes near Islington: Article 4 Direction covering the whole borough removes permitted development rights for HMO conversions (C3 to C4). Separate Article 4 for office-to-residential in key areas. Before pricing a permitted development scheme we check whether the N1 address is inside the mapped area, because Islington Council draws the Islington boundary street by street rather than across the whole of Islington.
What Islington is built from: Georgian and early Victorian terraces, Victorian bye-law housing, 1930s mansion blocks, converted industrial buildings in Clerkenwell and Farringdon. Densely terraced, gentrified; strong conservation area coverage; active planning department. That mix decides the permitted development scheme route in Islington more than the postcode does.
Who decides a permitted development scheme on the edge of Islington?
- Camden — the Camden boundary runs against Islington, so a permitted development scheme a street from Islington is decided by Camden Council instead. Camden runs 40 conservation areas across NW1 and its neighbours, which is why permitted development schemes priced for Islington are re-checked against Camden policy whenever the Islington address sits on that edge.
- Hackney — cross the Islington boundary and Hackney Council takes the permitted development scheme instead, applying 29 conservation areas of its own around E2. We re-price permitted development schemes at the Islington edge because Hackney policy and Islington policy rarely align on permitted development scheme depth.
- Haringey — adjoining Islington, with 29 conservation areas centred on N4. A permitted development scheme on the far side of the Islington line is determined by Haringey Council, so the Islington quote for permitted development schemes is checked against Haringey guidance before it is issued.
- City of London — the City of London boundary runs against Islington, so a permitted development scheme a street from Islington is decided by City of London Corporation instead. City of London runs 27 conservation areas across EC1 and its neighbours, which is why permitted development schemes priced for Islington are re-checked against City of London policy whenever the Islington address sits on that edge.
Sources for this Islington permitted development scheme 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.
