Planning application
P2026/1611/FUL
17 Allingham Street, London, N1 8NX
Proposal
Erection of a single-storey rear infill extension at lower ground level, a part-width rear extension at upper ground level, and a mansard roof extension. Works include raising cill of upper ground rear window
As published by the council, reference P2026/1611/FUL
Timeline
Dates from the published record
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19 Jun 2026
Received by Islington
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24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Islington for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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P2025/2356/COL Awaiting decision
16 - 18 Rheidol Mews, London, N1 8NU
Certificate of Lawfulness (existing) to confirm the use of various units within the terrace as Use Class E
-
P2026/0207/FUL Granted
11 Allingham Street London N1 8NX
Replacement of single glazed timber windows with double glazed timber windows, to front and rear elevation
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P2026/0468/COL Refused
42 - 43, Rheidol Mews, London, N1 8NU
Certificate of Lawfulness (existing) to confirm use of the property as a single dwellinghouse (Use Class C3) for a period of 4 years or more
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P2026/0467/COL Refused
40-41 Rheidol Mews, London, N1 8NU
Certificate of Lawfulness (existing) to confirm use of the property as a single dwellinghouse for a period of 4-years or more
-
P2026/1116/TRE Granted
31, Allingham Street, London, N1 8NX
Removal of one low hanging branch approx 1 inch in diameter. Tree species: silver birch. Reasons for work: general upkeep (the branch has grown back on itself and removing it will increase light to a magnolia).
-
P2026/1086/NMA Decided
8 Rheidol Terrace, London, N1 8NT
Non-material amendment to planning permission ref. P2023/1394/FUL dated 25/07/2023 for: Alterations to the existing lower ground and ground floor extensions, including the installation of new bi-fold doors and windows; an increase in height of the ground and lower ground floor extensions; and the formation of a terrace above the lower ground floor extension, with associated metal balustrades and access door. The proposed amendment seeks approval for a increase of 100mm to the approved parapet height.
Other householder applications
In Islington
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P2026/1432/FUL Refused
9 Alwyne Square, London, N1 2JX
Insertion of 3 conservation-style rooflights in the existing front roof slope.
-
P2026/1963/FUL Awaiting decision
15, Hugo Road, London, N19 5EU
Erection of single storey side infill extension to lower ground floor.
-
P2026/1229/FUL Granted
5 Gallia Road, London, N5 1LA
Erection of a single-storey rear infill extension.
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P2026/1950/FUL Withdrawn
5 Canonbury Grove, London, N1 2HP
Erection of an rear outbuilding
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P2026/1955/FUL Awaiting decision
4 Highbury Terrace, London, N5 1UP
Erection of a single-storey rear extension; erection of an ancillary outbuilding within the rear garden; replacement of existing windows; refurbishment and upgrading of the existing roof incorporating the installation of photovoltaic solar panels; installation of an air source heat pump; and internal alterations to all floors, including associated reconfiguration of layouts and ancillary works. [Listed Building Consent P2026/1956/LBC also submitted].