117-123 Concordia House, Golden Lane, London, EC1Y 0RT Data via plota.co.uk

P2026/1525/NMA - Non-Material Amendment Approved

Proposal

Non-material amendment of planning permission reference: , dated: 01/11/2024 for 'Removal of existing roof structure and erection of a new mansard roof level with a new roof and a rooftop plant enclosure, replacement of windows and ground floor entrance doors, and associated internal and external alterations in connection with the provision of additional office floorspace (Class E)'. The proposed amendments comprise alterations including refinements to windows, doors, internal layouts and coordination updates to ensure consistency with the approved architectural, structural, and building services design. Data via plota.co.uk

View original council record ↗

Application progress

Received
11 Jun 2026
Validated
15 Jun 2026
Approved
4 Aug 2026

Approved on 4 Aug 2026 · Delegated · Last checked 6 Aug 2026

Site constraints 9

Heritage

Article 4 direction

Planning designations

APA MoorfieldsBunhill & Clerkenwell Area Action PlanBunhill, Barbican and Golden Lane Healthy NeighbourhoodCAZCentral Activities ZoneCritical Drainage Group3_003Heathrow Safeguarding AreaSt Luke's

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

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Important details

Council
Islington
Application type
Non-Material Amendment
Postcode
EC1Y 0RT
Received
11 Jun 2026
Validated
15 Jun 2026
Ward
Bunhill
Case officer
Show
Target decision
8 Jul 2026
Decision
Non-material amendment(s) agreed
Decision date
4 Aug 2026
Decision level
Delegated
Applicant
Show

Consultation & key dates

Alt. reference
PP-15002681
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