405 Hornsey Road, London, N19 4DX Data via plota.co.uk

P2026/0456/FUL - Full Planning Application Refused
Change of useNew homes

Proposal

Retention of the change of use of the rear portion of the ground floor of the existing property from commercial (Class E) to residential use (Class C3) to form a single 1 bedroom studio flat and two rooflights to flat roof. Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
17 Feb 2026
✓
Validated
23 Feb 2026
✓
Consultation
10 Apr 2026
✗
Refused
23 Apr 2026
Appeal
Not lodged

Refused on 23 Apr 2026 · Delegated · Last checked 12 Jul 2026

Site constraints 5

Heritage

Article 4 direction

Planning designations

B1c locations across the borough (outside CAZ andClass MA A4D Tranche 2Critical Drainage Group3_002Local Plan Strategic and Development Management Policies - Policy B2 New busines

Constraints recorded by the council for this site. Documents on the council site ↗

Other new applications on this street

512-514 Hornsey Road, London, N19 3QN

Amendments to front and side elevations, including alterations to fenestration, ...

P2026/1428/FUL - 11 Jun 2026

366, Hornsey Road, London, N19 4HT

Conversion of the ground floor from Class E(a) (display or retail sale of goods)...

P2026/1174/FUL - 27 May 2026

505A Hornsey Road, London

Certificate of Lawfulness (Existing) for the use of the first, second and third ...

P2026/1005/COL - 16 Apr 2026

Nearby new applications

14, Stonenest Street, London, N4 3BA

Erection of single-storey wrap-around rear extension to replace existing glass c

P2026/1543/FUL - 15 Jul 2026

32, Trinder Road, London, N19 4QU

Erection of L-shaped rear dormer extension, raising of the main roof ridge, and ...

P2026/1714/FUL - 10 Jul 2026

61 Regina Road, London, N4 3PT

Certificate of Lawfulness (Proposed) for a change of use from dwellinghouse (Use...

P2026/1761/COL - 2 Jul 2026

41 Besant Walk, Andover Estate, London, N7 7RG

Replacement of windows to serve as fire exits. Replacement of sliding glass gard...

P2026/1594/FUL - 1 Jul 2026

68, Kiver Road, London, N19 4PD

Erection of a mansard roof extension with raised party wall

P2026/1747/FUL - 1 Jul 2026

24 Wray Crescent, London, N4 3LP

1. Subject of Application: 1.1. Lime (Tilia x europaea). Identified as 'A' on...

P2026/1646/TRE - 1 Jul 2026

Important details

Council
Islington
Application type
Full Planning Application
Postcode
N19 4DX
Received
17 Feb 2026
Validated
23 Feb 2026
Ward
Tollington
Case officer
Show
Target decision
13 Apr 2026
Decision
Refusal of permission
Decision date
23 Apr 2026
Decision level
Delegated
Applicant
Show
Agent
Show

Consultation & key dates

Alt. reference
PP-14554260
Comments by
24 Apr 2026
Site notice
10 Apr 2026
Press notice
10 Apr 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
Erection of mansard roof extension
P2025/2850/FUL
Within ~100m

Nearby activity

2025 Approved
28 Bracey Street, London, N4 3BJ
Single storey side infill extension and new set of doors to rear elevation.
P2025/0063/FUL
2024 Approved
42 Wray Crescent, Basement Flat, London, N4 3LP
Erection of a single storey rear extension
P2024/2896/FUL
2024 Approved
42 Wray Crescent, Second floor flat, London, N4 3LP
Erection of a rear dormer extension with front roof light
P2024/2895/FUL
2024 Withdrawn
42 Wray Crescent, London, N4 3LP
Erection of a two storey rear extension
P2024/2897/FUL
2024 Approved
1 Thorpedale Road, London, N4 3BH
Raising of rear outrigger ridge by 0.4 metres
P2024/2263/FUL
2024
408 Hornsey Road, London N19 4EB
Erection of a two-storey extension to provide two self-contained flats; Installation of m…
P2024/2849/FUL
2023 Approved
22 Wray Crescent, London, N4 3LP
Rear garden R/G- Reduce pear (T1) top and right side by 1.5m to rebalance tree and to red…
P2023/3220/TRE
2023 Approved
13 Bracey Street, London, N4 3BJ
Proposed single storey rear and side infill extension
P2023/2849/FUL
2023 Approved
440A Hornsey Road, London, N19 4EB
Retrospective change of use from vacant light industrial use (Class B1c) to adoption agen…
P2023/1233/FUL
2023 Approved
1 Thorpedale Road, London, N4 3BH
Erection of single storey side/rear extension and mansard roof extension. Alteration to f…
P2023/1694/FUL
2022 Approved
36 Wray Crescent, London, N4 3LP
Replacement of existing single glazed timber windows and doors with double glazed timber…
P2022/1557/FUL
2020 Withdrawn
442-444 Hornsey Road London N19 4EB
Replacement of existing William Hill shopfront at ground floor level to Hornsey Road, Tho…
P2020/2233/FUL
2021 Approved
414 Hornsey Road, Islington, London, N19 4EB
Proposed rear infill extensions at first and second floor, erection of mansard roof exten…
P2021/0943/FUL
2021 Approved
440 A Hornsey Road, London, N19 4EB
Change of use from vacant light industrial use (Class B1c) to offices (Class E).
P2021/0069/FUL
2021 Withdrawn
410 Hornsey Road London N19 4EB
Proposed change of use of ground floor workshop to 1 x 1no. bed residential unit.
P2021/0422/FUL
2020 Approved
27 Bracey Street, London, N4 3BJ
Erection of a single storey rear extension.
P2021/0275/FUL
2020 Refused
414 Hornsey Road, London, N19 4EB
Proposed conversion of the existing flat with a two-storey part rear extension, erection…
P2020/1002/FUL
2020 Approved
1A Thorpedale Road, London, N4 3BH,
Rear single storey extension and installation of folding doors in the rear elevation at g…
P2020/3000/FUL
2020 Approved
438 Hornsey Road, London, N19 4EB
Change of use from retail (A1) to residential (C3)
P2020/2196/PRA
2020 Approved
442-444 Hornsey Road, Islington, London, N19 4EB
Replacement of the existing single glazed timber sash windows to the Hornsey Road, Thorpe…
P2020/1038/FUL
2017 Approved
22 Bracey Street Islington LONDON N4 3BJ
Side infill and rear extension at ground floor level. The proposed extension occupies the…
P2017/3457/FUL
2016 Refused
Ground and Basement Level 410 Hornsey Road Islington LONDON N19 4EB
Change of use from workshop (sui generis) located at ground and basement floors to create…
P2016/3922/FUL
2016 Approved
Third Floor Flat, 416 Hornsey Road, London, N19 4EB
Extension of the existing mansard over the roof of the rear outrigger, which is currently…
P2016/3845/FUL
2016 Refused
440 A Hornsey Road LONDON N19 4EB
Demolition of the existing warehouse buildings at 440A Hornsey Road and erection of a mix…
P2016/3218/FUL
2016 Refused
410 Hornsey Road LONDON N19 4EB
Erection of a first floor rear extension above the existing ground level rear workshop to…
P2016/1695/FUL
Islington
Planning Authority Score
2.9/10
Poor
#237 of 296 councils
Relevant to this application:
Change of use

Islington is slower than most councils at deciding householder applications, ranking #260 out of 296. 53% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Islington decision performance
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #132 of 296
93%
Householder approved
Above avg (90%) #130 of 296
43%
Decided in 8 weeks
Below avg (63%) #260 of 296
53%
Extended time limit
Above avg (41%) #241 of 296
89%
Minor dwellings approved
499 decided (1-9 homes)
100%
Major dwellings approved
1 decided (10+ homes)
89%
Change of use approved
19 decided
1,488
Total decisions
167 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings