66 Myddelton Square, London, EC1R 1XX Data via plota.co.uk

P2025/2451/LBC - Listed Building VALIDATED
Listed buildings

Proposal

New staircase and timber bridge to/across rear lower ground floor lightwell, alterations to fenestration, installation of 1no. rooflight to rear roofslope, general refurbishment works, introduction of new services and restoration of interior features and fabric [Full Planning P2025/2450/FUL also submitted] Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
28 Aug 2025
✓
Validated
8 Sept 2025
✓
Consultation
18 Sept 2025
Decision
Target date was 2 Nov 2025

Under consideration

No decision has been issued yet. Plota predicted a decision around 6 Nov 2026; it is now day 424.

The consultation period closed on 11 Oct 2025.

Documents

View the documents on the council's website ↗

Associated applications 2

Site constraints 18

Article 4 directionCritical Drainage Group3_006CAZHeathrow Safeguarding AreaCentral Activities ZoneLocal view from Archway RoadLocal view from Archway BridgeNew RiverII
Grade II listed: Numbers 58 to 62, 63 to 65 and 66 and Attached Railings and Gatepiers
List entry 1195687 · 2 m away · 29 more listed buildings within 150 m (29 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 29 with distances
Historic England ↗
New River 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 ↗
Air quality management area: Islington 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 ↗
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
Article 4 directionCouncil record
Some permitted development rights are withdrawn. The direction is on the council's register but not published as open data.
Council site ↗
Critical Drainage Group3_006Council record
Recorded by the council for this site.
Council site ↗
CAZCouncil record
Recorded by the council for this site.
Council site ↗
Heathrow Safeguarding AreaCouncil record
Recorded by the council for this site.
Council site ↗
Central Activities ZoneCouncil record
Recorded by the council for this site.
Council site ↗
Local view from Archway RoadCouncil record
Recorded by the council for this site.
Council site ↗
Local view from Archway BridgeCouncil record
Recorded by the council for this site.
Council site ↗
New RiverCouncil record
Recorded by the council for this site.
Council site ↗
IICouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
National infrastructure project 1754 m away: Thames Tideway Tunnel; Inside the Islington built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; Priority habitat 30 m away: Deciduous woodland; Designated open space 30 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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.

Sales history 1

Last sold for £4,300,000 in July 2024. Terraced house, freehold.

5 July 2024£4,300,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area254 m² (2,734 sq ft)
Energy ratingD (55 out of 100), could reach C
PropertyEnd-terrace house, 11 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in August 2022, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

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Important details

Council
Islington
Application type
Listed Building
Postcode
EC1R 1XX
Received
28 Aug 2025
Validated
8 Sept 2025
Ward
Clerkenwell
Case officer
Show
Target decision
2 Nov 2025
Decision level
Delegated
Applicant
Show
Agent
William Adams

Decision outlook

Day 424, past the statutory target. 75% of listed building works in Islington are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 4 Nov 2026.

Day 424368 days past the 56-day target
51%decided within 8 weeks
94%approved
339decided in the last year

Plota live figures for listed building works decided by Islington in the last twelve months, from validation. Islington decision record →

Consultation & key dates

Alt. reference
PP-14211572_C
Comments by
11 Oct 2025
Site or press notice
18 Sept 2025
Statutory expiry
4 Oct 2025

Historical activity at this location

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

This property

Previous applications at this address

2025
New staircase and timber bridge to/across rear lower ground floor lightwell, alterations…
P2025/2450/FUL
2024
T1 - Fig - Crown reduction by 2m in height and 2m in lateral growth to shape. Lift the cr…
P2024/2383/TRE
Within ~100m

Nearby activity

2025 Approved
Flat A, 29 Claremont Square, London, N1 9LX
Replacement roof to single storey rear infill extension, replacement doors and windows, n…
P2025/3255/LBC
2025 Approved
Flat A, 29 Claremont Square, London, N1 9LX
Replacement roof to single storey rear infill extension, replacement doors and windows, n…
P2025/2946/FUL
2022 Approved
51 Amwell Street, London, EC1R 1UR
Part retrospective planning and listed building consent for internal alterations at lower…
P2022/3646/LBC
2022 Approved
51 Amwell Street, London, EC1R 1UR
Part retrospective planning and listed building consent for internal alterations at lower…
P2022/3600/FUL
2025 Approved
54 - 55, Myddelton Square, London
T1 - Tree of Heaven: Fell to ground level due to buttress damaging adjacent brick wall T2…
P2025/3548/TRE
2025 Approved
Flat C, 23 - 24 River Street, London, EC1R 1XN
Replace a rotten upper sash window in bedroom -- like for like replacement (it's not orig…
P2025/2440/LBC
2025 Refused
59 Myddelton Square, London, EC1R 1XX
Erection of roof extension/ additional storey, erection of rear terrace area and all asso…
P2025/2681/FUL
2025 Refused
59 Myddelton Square, London, EC1R 1XX
Erection of roof extension / additional storey, rear terrace area and all associated work…
P2025/2682/LBC
2025 Approved
Flat 4, 43-53 Myddelton Square, London, EC1R 1YD
Refurbishment of existing timber sash windows (front) and steel windows (rear) to include…
P2025/2587/FUL
2025 Approved
Flat 4, 43-53 Myddelton Square, London, EC1R 1YD
Refurbishment of existing timber sash windows (front) and steel windows (rear) to include…
P2025/2588/LBC
2025 Approved
19 & 28, Claremount Square, London, N1 9LX
Replacement of internal flat entrance doors, architraves and fanlights, installation of n…
P2025/2396/LBC
2025
Flat A, 10 Inglebert Street, London, EC1R 1XR
This is a small (3m tall) Viburnum tree in a small north facing back garden, not visible…
P2025/2545/TRE
2025 Approved
Flat C, 9 River Street, London, EC1R 1XN
Removal of part of the walls between the sitting room and kitchen as outlined in the plan…
P2025/0277/LBC
2025 Approved
7 Inglebert Street, London
Replacement of entrance doors, architraves and fanlights and installation of new fire ala…
P2025/1193/LBC
2025 Approved
58 Amwell Street, London EC1R 1XS
Description: Replacement of internal entrance doors, architraves and fanlights and instal…
P2025/1116/LBC
2025 Approved
10 Inglebert Street, London
Replacement of internal entrance doors, architraves and fanlights and installation of new…
P2025/1188/LBC
2025 Approved
80-82, Amwell Street, London, EC1R 1UU
Replacement of internal entrance doors, architraves and fanlights and installation of new…
P2025/1091/LBC
2025 Approved
14, 16, 17, River Street, London, EC1R 1XN
Replacement of internal entrance doors, architraves and fanlights and installation of fir…
P2025/1200/LBC
2024 Refused
65 Amwell Street, London, EC1R 1UR
Change of use and extension of existing garage to enable conversion to single storey 1 be…
P2024/3291/FUL
2025
14, 16 & 17 River Street, London
Internal fire safety upgrades including: • Internal flat entrance door replacements with…
P2025/1256/FUL
2016 Withdrawn
1 Ingle Mews Islington London EC1R 1XG
Rear garden; 1 x Sycamore tree - Cut back from the building to give 2 metres clearance.
P2016/0834
2016 Withdrawn
2 Ingle Mews Islington London EC1R 1XG
We are seeking permission to cut back the Sycamore (T2) from the building to give 2m clea…
P2016/0835
2016 Withdrawn
8 Ingle Mews Islington London EC1R 1XG
We are seeking permission to remove 2 x Sycamores (3 and 4 on sketch map) as they are gro…
P2016/0836
2016 Refused
21 Claremont Square London N1 9LX
Proposed external alterations to rear outrigger plus internal alterations
P2016/0264/FUL
2016 Refused
21 Claremont Square London N1 9LX
Proposed external alterations to rear outrigger plus internal alterations
P2016/0297/LBC
Islington
Planning Authority Score
2.9/10
Poor
#237 of 296 councils
Relevant to this application:
Other 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 statistics
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.