26 Rheidol Terrace, London, N1 8NS Data via plota.co.uk

P2026/1405/FUL - Full Planning (Householder) VALIDATED
Extensions & alterations

Proposal

Erection of basement/ ground floor rear extension, replacement of existing sash windows and boundary wall alterations, and all associated works. Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
13 Jul 2026
✓
Validated
15 Jul 2026
✓
Consultation
23 Jul 2026
Decision
Awaiting decision

This application is under consideration - no decision has been issued yet. The consultation period closed on 15 Aug 2026.

Site constraints 3

Heritage

Article 4 direction

Planning designations

CDuncan Terrace/Colebrooke Row

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

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Important details

Council
Islington
Application type
Full Planning (Householder)
Postcode
N1 8NS
Received
13 Jul 2026
Validated
15 Jul 2026
Ward
St Mary's & St James'
Case officer
Show
Target decision
6 Sept 2026
Applicant
Show
Agent
Show

Consultation & key dates

Alt. reference
PP-14957565
Comments by
15 Aug 2026
Site notice
23 Jul 2026
Press notice
23 Jul 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
15 Allingham Street, London, N1 8NX
Retention of ground floor rear extension (retrospective application - amendment to planni…
P2025/1840/FUL
2025
1, Rheidol Terrace, London
T1 - Cherry plum - reduce crown by 1.5m and thin by 20%. T2 - Greengage - reduce crown by…
P2025/2501/TRE
2024 Approved
35 Allingham Street, London, N1 8NX
Windows replacement to front and rear elevations and doors replacement to ground floor fr…
P2024/3597/FUL
2024 Approved
25 Allingham Street, London, N1 8NX
Full Width, Lower Ground Rear Extension with associated excavation and landscaping works.
P2024/3124/FUL
2024 Approved
25 Allingham Street, London, N1 8NX
Proposed lower ground rear extension with associated excavation and landscaping works.
P2024/1954/FUL
2024 Approved
31 Allingham Street, London, N1 8NX
Erection of a single storey rear extension at rear lower ground floor level and enlargeme…
P2024/1443/FUL
2024 Approved
Flat D, 1 Rheidol Terrace, London, N1 8NT
Proposed new double glazed sash windows at front and rear elevation to replace the existi…
P2024/0393/FUL
2024 Approved
23 Allingham Street, London, N1 8NX
Replacement windows and doors on lower ground, upper ground, and first floors to front an…
P2024/1642/FUL
2024
2 Rheidol Terrace London Islington N1 8NT
T1 - sorbus tree (8m) - reduce crown by approximately 2m. T2 - elaeagnus tree (4m) - redu…
P2024/0836
2023
1 John Horner Mews, London, N1 8PB
Amendments to existing dwelling including increase roof pitch to provide an internal mezz…
P2024/0007/FUL
2023
20 Allingham Street, London, N1 8NY
Rear garden R/G- T1 - Sycamore - pollard, down to 1m lower than previous pollard/reductio…
P2023/3417/TRE
2023 Approved
15 Allingham Street, London, N1 8NX
Erection of a single-storey rear extension at basement level and a part width rear extens…
P2023/2235/FUL
2023 Approved
15 Allingham Street, London, N1 8NX
Erection of a mansard roof extension.
P2023/2521/FUL
2023 Approved
20 Dame Street, London, N1 7FR
Erection of a timber fence above the rear garden boundary wall (part retrospective as thi…
P2023/2186/FUL
2023 Approved
23 Allingham Street, London, N1 8NX
Proposed replacement and enlargement of existing rear upper ground floor terrace and balu…
P2023/1811/FUL
2023 Approved
23 Allingham Street, London, N1 8NX
Proposed alterations to existing rear extension including lowering of existing extension…
P2023/0680/FUL
2023 Approved
28 Allingham Street, London, N1 8NY
Erection of a mansard roof extension with associated front-facing terrace area, erection…
P2023/0586/FUL
2022 Approved
Flat A, 1 Rheidol Terrace, London, N1 8NT
Rear garden (T1) Fig - FELL (remove tree) (T2) Bay tree - FELL (remove tree)
P2022/4194/TRE
2022 Approved
19 Allingham Street, London, N1 8NX
Erection of a mansard roof extension and associated alterations.
P2022/2360/FUL
2022 Refused
20 Dame Street, London, N1 7FR
Retention of fence above garden boundary wall (retrospective application).
P2022/2468/FUL
2017 Approved
29 Allingham Street London N1 8NX
Erection of mansard roof extension with front roof terrace plus erection of rear lower gr…
P2017/4729/FUL
2017 Approved
16 Allingham Street London N1 8NY
Erection of a second floor roof extension, with 2 no. rooflights to front slope, and exte…
P2017/2543/FUL
2017 Approved
14 Allingham Street Islington LONDON N1 8NY
Erection of roof extension plus removal of existing rear extensions and erection of full…
P2017/2112/FUL
2017 Approved
25 Frome Street, London N1 8PB
T1- Dead Maple tree: Remove. T2- Cordoline: Remove main trunk leaving new shoot to become…
P2017/2589/TRE
2016 Approved
1 & 2 Allingham Mews LONDON N1 8AH
Erection of single storey ground floor extension and a first floor bathroom extension to…
P2016/2410/FUL
Islington
Planning Authority Score
2.9/10
Poor
#237 of 296 councils
Relevant to this application:
Householder decisions

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