Land by postcode · N area · N1
What the open records say about the N1 postcode district in Greater London: recent sales, planning designations and controls, and the council that decides applications. District-level facts to read before you sell or develop a plot in Islington, London.
Residential sales recorded by HM Land Registry between 2024-08 and 2026-07. This is market context for the district, not a land valuation: what a plot is worth depends on what can be built on it, which these figures do not show.
Sales in 24 months
1,751
Median sale price
£660,000
Median £ per m² of floor area
£10,833
Median, last 12m vs prior 12m
+2.3%
£655,000 → £670,000
Mix of sales: 0% detached, 2% semi-detached, 16% terraced, 81% flats.
New-build sales 2023–2024: 25 of 1,782 (1%). A rough proxy for recent building activity: these are homes sold by builders, not development sites.
For each designation on the planning.data.gov.uk register, the share of the 2289 live postcodes in N1 whose centroid falls inside it. This measures postcodes, not land area, and says nothing about any individual plot.
1278 of 2289 postcodes
COA00000581 · COA00000594 · De Beauvoir · COA00000631 · COA00000590 and 3 more
No postcodes in N1 fall inside: Green Belt, National Landscape (AONB), National Park, Article 4 Direction area.
Flood zones, tree preservation orders, local plan allocations, settlement boundaries and non-designated heritage are not included here and are checked in a full assessment.
56% of postcodes fall within a conservation area. Inside one, demolition needs consent, some permitted development rights are reduced, and new work is assessed against the character and appearance of the area.
These are district-level facts. The free assessment checks your actual boundary against the same registers and the local plan and tells you plainly what they mean for your plot.
Decided planning applications in N1 since 2021, from the council registers, grouped by the kind of scheme a landowner might be weighing up. Extensions, conditions and tree works are left out. Counts, not estimates.
Taken from the units table on the planning form itself, so this is homes actually created, not a reading of the description. 77 decided since 2021, 39 refused, typically 118 days to a decision.
34 of 77
approved, 44%
47% across London
72 homes approved of 153 applied for
Approved examples
Flat 502, UNION WHARF (1 new home)
Amalgamation of two adjoining fifth floor flats into a single-family, 4-bed home.
Approved 2022-07-13, Hackney ref 2022/0883
Flat 311, UNION WHARF (1 new home)
Conversion of two existing units into a single residential dwelling; internal alterations.
Approved 2022-09-08, Hackney ref 2022/1518
139 Culford Road, Hackney (1 new home)
Conversion of two self-contained flats (Class C3) to a single dwelling house (Class C3), including works to merge the rear garden and rear p...
Approved 2023-09-21, Hackney ref 2023/1790
By the kind of plot, from the wording of each proposal:
3 decided since 2021, 3 refused, typically 62 days to a decision
0 of 3
approved
36% across London
15 decided since 2021, 8 refused, typically 84 days to a decision
6 of 15
approved, 40%
43% across London
Approved examples
100 Mortimer Road, Hackney
Increase the height of the front parapet to match the adjoining at no. 98; and creation of a flat roof behind the parapet to increase the he...
Approved 2024-08-19, Hackney ref 2024/1337
FANSHAW HOUSE Fanshaw Street, Hackney
Demolition of an existing garage and construction of a 1 x 3 storey single family dwelling and 1 x 3 storey building to provide 2 x self-con...
Approved 2025-11-07, Hackney ref 2025/0906
Muriel Street Resource Centre, 37 Muriel Street
Erection of single storey building to accommodate sprinklers house
Approved 2022-03-10, Islington ref P2021/2816/FUL
10 decided since 2021, 2 refused, typically 133 days to a decision
7 of 10
approved, 70%
45% across London
Approved examples
First Floor, MICAWBER WHARF
Change of use of part first floor (Unit 101) from a fitness suite (Use Class E) to 2no. residential units (Use Class C3).
Approved 2022-06-29, Hackney ref 2021/2448
Flat 311, UNION WHARF
Conversion of two existing units into a single residential dwelling; internal alterations.
Approved 2022-09-08, Hackney ref 2022/1518
73 Drysdale Street, Hackney
Change of use of existing live/work unit from sui generis to Use Class C3 (residential).
Approved 2024-02-16, Hackney ref 2023/2788
Also decided here: 60 applications for outbuildings, annexes or garden buildings, 52 approved, typically 82 days.
Decided planning applications (not extensions, conditions or tree works) in this postcode district from the councils' own registers, classified by the wording of each proposal. Counts, not estimates; where a class has fewer than three applications it is not shown.
N1 is split between planning authorities: Islington (69% of sampled postcodes), Hackney (31% of sampled postcodes).
Draw your boundary, tell us what you own, and an architect checks it against these registers and the local plan. Free, no obligation, and you get a straight written answer.
It depends on where the plot sits, not on the district average. In N1, 0% of postcodes are in the Green Belt, 56% in a conservation area. Outside those designations the questions that decide it are whether the plot is inside or adjoining the settlement boundary in the local plan, whether it has its own road access, and what is next to it. A plot on the edge of a village or town with access has the best chance; an open field outside the settlement boundary rarely gets consent for housing whatever the market is doing.
No Article 4 direction is recorded for N1, so houses keep their normal permitted development rights for outbuildings and extensions within the size limits. Those rights do not extend to agricultural land, paddocks or a change of use to residential, which normally need permission or prior approval.
Developers look at three things before they talk about price: whether the plot is outside the Green Belt and any National Landscape, whether it sits inside or beside the settlement boundary, and what finished homes sell for. In N1 the median sale is £660,000, and only 1% of 2023–2024 sales were new-build homes, so builders have been quiet here. A single plot usually goes to a local builder or a self-builder; a site for five or more homes attracts regional housebuilders, normally through an option or a conditional contract rather than an outright purchase, so the price you see quoted is not the price you receive.
There is no district figure for land, because a plot's value comes from what can be built on it, not from where it is. As a guide, a serviced plot with consent for one house commonly sells for around a third of the finished house value, which in N1 would be measured against a £660,000 median sale. The same plot without consent, or inside the Green Belt, is worth a small fraction of that, and a paddock with no realistic route to consent is worth agricultural or amenity value only. The free check tells you which of those your plot is before you talk to anyone about a price.
Three places: the local plan and its policies map for the settlement boundary and allocations, the council's planning register for what has been approved or refused on neighbouring land, and planning.data.gov.uk for the national designations. That is an evening's work if you know what you are looking for. The alternative is to draw your boundary on this site: an architect checks it against the same records and writes back within 48 hours with a plain answer, free and without obligation.
Computed from open-data records; district-level, not plot-level measurements. Sales: HM Land Registry Price Paid Data (2024-08-01 to 2026-07-31), © Crown copyright, Open Government Licence. Designations: planning.data.gov.uk (OGL), retrieved 2026-09-05; conservation areas and Article 4 directions are made locally and published on that national register. Postcode centroids: OS Code-Point Open 2026.3.0, contains OS data © Crown copyright and database right 2026. Place name is the most common post town in the sales records. Figures computed 2026-09-06.