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 ↗Last checked

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

Associated applications 4

Site constraints 19

Article 4 directionBunhill & Clerkenwell Area Action PlanCAZHeathrow Safeguarding AreaCritical Drainage Group3_003Central Activities ZoneBunhill, Barbican and Golden Lane Healthy NeighbourhoodAPA MoorfieldsSt Luke's
St Luke's 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 ↗
Heritage at risk: St Lukes
On the register of historic places assessed as at risk.
A designated building, monument, park or conservation area assessed as at risk from neglect, decay or development. Proposals that secure its future are looked on favourably.
Historic England ↗
Archaeological priority area
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
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.
Registered park or garden 99 m away: Golden Lane Estate Designed Landscape
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
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 ↗
Bunhill & Clerkenwell Area Action PlanCouncil 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 ↗
Critical Drainage Group3_003Council record
Recorded by the council for this site.
Council site ↗
Central Activities ZoneCouncil record
Recorded by the council for this site.
Council site ↗
Bunhill, Barbican and Golden Lane Healthy NeighbourhoodCouncil record
Recorded by the council for this site.
Council site ↗
APA MoorfieldsCouncil record
Recorded by the council for this site.
Council site ↗
St Luke'sCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
National infrastructure project 1169 m away: Thames Tideway Tunnel; 12 listed buildings within 150 m; Inside the Islington built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 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.

Building

Floor area2,627 m² (28,277 sq ft)
Energy ratingA (asset rating 17)
UseOffices and Workshop Businesses
HeatingAir Conditioning

From the energy performance certificate lodged in June 2026, the latest held for this property. The building may have changed since. View the certificate

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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 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

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.