Mason And Townsend House Strathnairn Street London Southwark SE1 5BU Data via plota.co.uk

26/AP/1349 - Approval of Details Approved

Proposal

Details of condition 3 (Remediation And/Or Mitigation Strategy) as required by planning permission ref. dated 13/06/2023 for 'Demolition of existing garages and construction of four storey and five storey buildings providing 18 residential apartments (two x 1-bedroom units, nine x 2-bedroom units, seven x 3-bedroom units) with associated estate-wide hard and soft landscaping, cycle parking and refuse storage and the replacement of the existing substation'. Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.

View original council record ↗Last checked 24 Aug 2026, 08:58

Street View

Application progress

✓

Received

11 May 2026

✓

Validated

12 May 2026

✓

Approved

24 Jun 2026

Approved on 24 Jun 2026 · Source Team · Last checked 6 Jul 2026

Documents 3

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application - Form (Without Personal data) · 11 May 2026 View ↗

Associated applications 6

Part of

Approved13 Jun 2023council archive

Conditions 3 discharged · 5, 6, 7 varied · 4 variation sought
- ConditionsDetails of condition 3 (Remediation And/Or Mitigation Strategy)This application12 May 202626/AP/1349
- Show 3 more · 2 approved, 1 pending
  - VariationVariation of condition 4 (Construction Environmental Management Plan) pf17 Mar 202626/AP/0758
  - VariationVariation of condition 613 Mar 202626/AP/0728
  - AmendmentNon-material amendment15 Jan 202625/AP/3747
LawfulnessPending5 Oct 202626/AP/2857
Certificate of lawfulness (existing) to confirm that ground investigation works carried out on site constitute a material…

Site constraints 7

Flood zone 3, rivers and sea

High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.

The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.

Flood map ↗

Archaeological priority area: North Southwark and Roman Roads

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: Southwark 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 ↗

National infrastructure project 355 m away: Thames Tideway Tunnel

The site is 355 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, 658 m).

Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.

Planning Inspectorate project page ↗

Also on the record

Radon affected area, class 2; Inside the Southwark built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.

Not affected

Not green belt · No listed building at the site · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), 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.

Work with planning data?

Every application in Southwark - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

5 Oct 2026Pending

Garages At Mason And Townsend House Strathnairn Street London Southwark SE1 5BU

Certificate of lawfulness (existing) to confirm that ground investigation works ...

26/AP/2857

3 Sept 2026Approved

40 Strathnairn Street London Southwark SE1 5BL

Construction of a single-storey rear extension; rear dormer roof extension with ...

26/AP/2405

Nearby new applications

15 Oct 2026Pending

31 Clements Road London Southwark SE16 4DW

Proposed side infill extension to the rear of the property

26/AP/2987

13 Oct 2026Pending