Flat C, 19 De Beauvoir Square, Hackney, London, N1 4LD Data via plota.co.uk

2025/2528 - Full Planning Permission Approved
Extensions & alterations

Proposal

Replacement of casement window at second floor level Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
17 Nov 2025
✓
Validated
22 Jan 2026
✓
Approved
19 Mar 2026

Approved on 19 Mar 2026 · Delegated · Last checked 1 Oct 2026

Documents 11

Decision & officer reports 1

PDF Officer Report Officer Report · 18 Mar 2026 View ↗

Statements & assessments 3

PDF Design-and-Access-statement-Rev2 Design and Access Statement · 22 Jan 2026 View ↗ PDF Design-and-Access-statement-De-Beauvoir-Square0_0 Design and Access Statement · 16 Dec 2025 View ↗ PDF Design and Access statement De Beauvoir Square(0.0).pdf Design and Access Statement · 18 Nov 2025 View ↗

Plans & drawings 4

PDF 19C De Beauvoir Windows - 39399_WOOLF_PROPOSED_WINDOW_DRAWINGS.pdf Drawing · 18 Nov 2025 View ↗ PDF 19C De Beauvoir - Windows 39399_WOOLF_NEW_JOINERY_DETAILS.pdf Drawing · 18 Nov 2025 View ↗ PDF SiteLocation.geojson Site Location Plan · 18 Nov 2025 View ↗ PDF LocationPlan.pdf Site Location Plan · 18 Nov 2025 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf Application Form · 18 Nov 2025 View ↗

Other documents 2

PDF DN-Full Planning Granted Final Document · 19 Mar 2026 View ↗ PDF form_1_cil_additional_information.pdf Other · 18 Nov 2025 View ↗

All documents on the council site ↗

Site constraints 7

Grade II listed: 13-20, De Beauvoir Square N1
List entry 1265791 · 29 m away · 11 more listed buildings within 150 m (11 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 11 with distances
Historic England ↗
De Beauvoir conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
2 Article 4 directions
De Beauvoir Conservation Area (article 4 direction area) · Whole of the London Borough of Hackney. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Hackney AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Hackney built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square; Designated open space 16 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 3 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Other new applications on this street

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Important details

Council
Hackney
Application type
Full Planning Permission
Postcode
N1 4LD
Received
17 Nov 2025
Validated
22 Jan 2026
Ward
De Beauvoir Ward
Case officer
Show
Target decision
19 Mar 2026
Decision
Grant
Decision date
19 Mar 2026
Decision level
Delegated
Applicant
Show
Freehold owner
Show

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 84% of extensions here are.

54%decided within 8 weeks
84%approved
1,130decided in the last year

Plota live figures for extensions decided by Hackney in the last twelve months, from validation. Hackney decision record →

Consultation & key dates

Statutory expiry
19 Mar 2026

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Listed Building Consent for replacement of casement window at second floor level
2025/2748
Within ~100m

Nearby activity

2025 Approved
4 De Beauvoir Square, Hackney, London, N1 4LG
T1 - Eucalyptus; Reduce height by 3-4m from branch tips to bring overall size of crown in…
2025/2304
2025 Approved
Unit 1, 92 - 96 De Beauvoir Road, Hackney, London, N1 4EN
Birch - Crown reduce the height by 1.0m Crown reduce the spread by 1.0m Crown thin by 10%…
2025/2131
2025 Approved
105 De Beauvoir Road, Hackney, London, N1 4EL
Large Olive - Crown reduce the height by 2.0m Crown reduce the spread by branch lengths o…
2025/1899
2025 Approved
20 De Beauvoir Square, Hackney, London, N1 4LD
Front: sycamore (T1) - reduce back to previous cuts (approx 1.5m) ensuring 1.5m clearance…
2025/1853
2025 Approved
Flat A, 19 De Beauvoir Square, Hackney, London, N1 4LD
Listed Building Consent for replacement of existing single-glazed timber sash windows to…
2025/1721
2025 Approved
Flat A, 19 De Beauvoir Square, Hackney, London, N1 4LD
Replacement of existing single-glazed timber sash windows to the front bay and front wind…
2025/1720
2025 Approved
99 De Beauvoir Road, Hackney, London, N1 4EL
1 x Lime - Crown reduce the height and spread back to previous reduction points (approx…
2025/1093
2025 Approved
95 De Beauvoir Road, Hackney, London, N1 4EL
2 x Lime - Crown reduce the height and spread back to previous reduction points (approx…
2025/1097
2025 Approved
97 Mortimer Road, Hackney, London, N1 4LB
Formation of basement level with rear lightwell; replacement two storey rear extension; r…
2025/0640
2025 Approved
20 De Beauvoir Square, Hackney, London, N1 4LD
Repairs to the roof, including replacing the slate roof, lead valleys and coping stones…
2025/0446
2025 Refused
18 De Beauvoir Square, Hackney, London, N1 4LD
Proposed bin store in front garden
2025/0220
2024 Approved
15 De Beauvoir Square, Hackney, London, N1 4LD
Sycamore - Crown reduce growth towards house back to previous reduction points to give a…
2024/2622
2024 Refused
97 Mortimer Road, Hackney, London, N1 4LB
Removal and replacement of the existing summer house located at the rear of the property…
2024/1850
2024 Refused
97 Mortimer Road, Hackney, London, N1 4LB
Alterations to the external front areas to the property, including a relocated entrance d…
2024/1731
2024 Approved
86 Mortimer Road, Hackney, London, N1 4LH
T1, T2 Sycamore, re-pollard to old pollard points. leave tree at approx. 4m tall from gro…
2024/1696
2023 Approved
9 De Beauvoir Square, Hackney, London, N1 4LG
Alterations at first-floor level including to the rear bedroom to create a bathroom and s…
2023/2630
2023 Approved
75 De Beauvoir Road, Hackney, London, N1 4EL
External works: Repainting of front and side doors (light blue); replacement of timber Fr…
2023/2172
2023 Approved
75 De Beauvoir Road, Hackney, London, N1 4EL
Replacement of timber French doors in rear elevation with steel doors
2023/2167
2023 Approved
87 De Beauvoir Road, Hackney, London, N1 4EL
Fell the eucalyptus (T1) as tree is in very poor health. One stem is dead except for some…
2023/2045
2023 Approved
4 De Beauvoir Square, Hackney, London, N1 4LG
Acacia - Thin throughout the crown by 20% Remove the low branch overhanging the neighbour…
2023/1727
2016 Approved
82a Mortimer Road, Hackney, London, N1 4LH
Rear garden. Eucalyptus: Remove low stem growing over the driveway back to the main stem…
2016/3924
2016 Approved
94 De Beauvoir Road, Hackney, London, N1 4EN
Front garden T1 Acer pseudoplatanus (Sycamore) - Crown reduce height and spread to north…
2016/3460
2016 Approved
7 De Beauvoir Square London N1 4LG
Rear garden: T1 Yew tree Fell. T2 Laurel Fell
2016/3443
2016 Approved
Flat A, 10 Northchurch Terrace, Hackney, London, N1 4ES
T1. Holly: Reduce height by 3-3.5M, to achieve compact shape. T.2 Sycamore: Crown reduce…
2016/3161
2016 Refused
82a Mortimer Road, Hackney, London, N1 4LH
Demolition of existing garage and erection of a part single, part two storey plus lower g…
2016/1291
Hackney
Planning Authority Score
2.4/10
Poor
#256 of 296 councils
Relevant to this application:
Householder decisions

Hackney is slower than most councils at deciding householder applications, ranking #220 out of 296. Hackney is also one of the strictest councils - it refuses more householder applications than almost any other, with only 84% approved vs 90% nationally.

One of the strictest councils
only 84% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Hackney decision statistics
Based on MHCLG data, the year to March 2026
82%
Overall approval rate
Below avg (87%) #248 of 296
84%
Householder approved
Below avg (90%) #257 of 296
53%
Decided in 8 weeks
Below avg (63%) #220 of 296
46%
Extended time limit
Above avg (41%) #201 of 296
75%
Minor dwellings approved
204 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
50%
Change of use approved
2 decided
1,323
Total decisions
241 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.