Which Islington postcodes does this scheme inside an Article 4 area service cover?
Every Islington district on our books, alongside the housing that fills it and the authority an application from there is validated by. Every fee figure in the table is an England-wide statutory rate for 2026, set by government rather than quoted by us.
| Postcode | Area | Dominant stock | What it means for a scheme inside an Article 4 area |
|---|
| N16 | Stoke Newington / Stamford Hill | Georgian and Victorian terraces | N16 covers Stoke Newington and Stamford Hill and covers two authorities with them; whether Hackney or Islington determines a case turns on the street, so that gets settled before drawings go in. |
| WC1X | Bloomsbury / Mount Pleasant | Georgian and early Victorian terraces | WC1X straddles a boundary: Bloomsbury / Mount Pleasant addresses fall to Camden Council or Islington Council, so confirm which authority validates the scheme inside an Article 4 area before submitting WC1X drawings. |
| N1 | Islington / Hoxton | Georgian and early Victorian terraces | N1 runs from Islington across into Hoxton, so an N1 address may be validated by either Islington or Hackney. Confirm which one before anything is submitted. |
| N5 | Highbury | Victorian terraces, mansion blocks | A scheme inside an Article 4 area at an N5 address in Highbury is determined by Islington Council under its own Local Plan policies for Highbury. |
| N7 | Holloway / Tufnell Park | Victorian villas and terraces | A scheme inside an Article 4 area at an N7 address in Holloway / Tufnell Park is determined by Islington Council under its own Local Plan policies for Holloway / Tufnell Park. |
| N19 | Archway / Tufnell Park | Victorian terraces, post-war flats | N19 splits Archway and Tufnell Park between Islington and Camden. Which set of policies applies is decided by whichever borough the address itself falls in. |
| EC1M | Clerkenwell | Georgian and early Victorian terraces | A scheme inside an Article 4 area at an EC1M address in Clerkenwell is determined by Islington Council under its own Local Plan policies for Clerkenwell. |
| EC1R | Clerkenwell / Exmouth Market | Georgian and early Victorian terraces | Clerkenwell / Exmouth Market sits wholly inside EC1R, so Islington Council validates every scheme inside an Article 4 area submitted from an EC1R address. |
How does a scheme inside an Article 4 area differ street by street across Islington?
Built-up land accounts for 93.4% of Islington, against 66.0% across London as a whole. Density that high does not make the borough uniform: roof pitches, wall construction and how far a plot extends behind the house all vary from one street to the next, and what a scheme can achieve varies with them.
- Tufnell Park (N7, N19) — a scheme inside an Article 4 area in Tufnell Park starts from victorian villas and terraces, and Tufnell Park reads as Victorian villas and terraces. Most applications on these Victorian streets are householder applications validated on existing and proposed plans in N7. Islington Council assesses Tufnell Park scheme inside an Article 4 areas against its own Tufnell Park character guidance, and the location plan we draw for Tufnell Park references Tufnell Park station.
- Holloway (N7) — Victorian terraces, post-war estates defines Holloway, where victorian terraces, post-war estates set what a scheme inside an Article 4 area can do. Most applications on these Victorian streets are householder applications validated on existing and proposed plans across N7. Any Holloway scheme inside an Article 4 area is validated by Islington Council, with Holloway Road the usual Holloway reference point on the site plan.
- Newington Green (N16) — a scheme inside an Article 4 area 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 scheme inside an Article 4 areas against its own Newington Green character guidance, and the location plan we draw for Newington Green references Newington Green.
- Angel (N1, EC1V) — a scheme inside an Article 4 area in Angel starts from georgian and early victorian terraces, and Angel reads as Georgian terraces, dense town centre. Applications on Georgian stock here almost always need a heritage statement alongside the drawings in N1. Islington Council assesses Angel scheme inside an Article 4 areas against its own Angel character guidance, and the location plan we draw for Angel references Angel station.
- Barnsbury (N1) — scheme inside an Article 4 area work in Barnsbury means georgian and early victorian terraces. Barnsbury is Georgian conservation area. Applications on Georgian stock here almost always need a heritage statement alongside the drawings throughout N1. Islington Council decides the Barnsbury application, and Barnsbury Square anchors the Barnsbury location plan.
- Canonbury (N1) — scheme inside an Article 4 area 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.
- Highbury (N5) — Victorian terraces around Highbury Fields defines Highbury, where victorian terraces, mansion blocks set what a scheme inside an Article 4 area can do. Most applications on these Victorian streets are householder applications validated on existing and proposed plans across N5. Any Highbury scheme inside an Article 4 area is validated by Islington Council, with Highbury Fields the usual Highbury reference point on the site plan.
How do conservation areas and Article 4 affect a scheme inside an Article 4 area in Islington?
What designation does to an Islington scheme: the council maintains 40 conservation areas, among them Canonbury, Highbury and Clerkenwell. Inside any of these permitted development is simply not available to you, and the route changes with it — you file a £548 householder application on an 8-week clock instead of the 6-week prior approval route, which charges £249. What designation does not much change is the odds: Islington granted 1,163 of 1,279 householder applications, 90.9%, comfortably clear of the 83.0% London manages.
Islington and Article 4: 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. A scheme inside an Article 4 area planned at a N1 address is checked against that direction first; Islington Council publishes the Islington extent, and the N1 line rarely follows the Islington boundary you would expect.
Islington housing stock: 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. Read that before choosing a scheme inside an Article 4 area route in Islington — construction, not postcode, sets what is achievable.
Which neighbouring authorities border Islington?
- Camden — the Camden boundary runs against Islington, so a scheme inside an Article 4 area a street from Islington is decided by Camden Council instead. Camden runs 40 conservation areas across NW1 and its neighbours, which is why scheme inside an Article 4 areas 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 scheme inside an Article 4 area instead, applying 29 conservation areas of its own around E2. We re-price scheme inside an Article 4 areas at the Islington edge because Hackney policy and Islington policy rarely align on scheme inside an Article 4 area depth.
- Haringey — cross the Islington boundary and Haringey Council takes the scheme inside an Article 4 area instead, applying 29 conservation areas of its own around N4. We re-price scheme inside an Article 4 areas at the Islington edge because Haringey policy and Islington policy rarely align on scheme inside an Article 4 area depth.
- City of London — adjoining Islington, with 27 conservation areas centred on EC1. A scheme inside an Article 4 area on the far side of the Islington line is determined by City of London Corporation, so the Islington quote for scheme inside an Article 4 areas is checked against City of London guidance before it is issued.
Sources for this Islington scheme inside an Article 4 area 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.
