21 Roupell Street London Lambeth SE1 8SP Data via plota.co.uk

26/03068/DET - Approval of Details Awaiting decision
Admin / procedural

Proposal

Approval of details pursuant to condition 3 (Plumbing and Ventilation) of Planning Permission ref: "Excavation of basement to lower the floor and increase head height. Replacement of roof glazing to side return and replacement of rear doors. Alteration to rear doors." dated 19.01.2026 Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
19 Oct 2026
✓
Validated
27 Oct 2026
Decision
Expected by 22 Dec 2026

Under consideration

No decision has been issued yet. A decision is expected by 22 Dec 2026.

Documents 8

Statements & assessments 2

PDF HERITAGE STATEMENT Supporting Docs · 20 Oct 2026 View ↗ PDF BASEMENT IMPACT ASSESSMENT Supporting Docs · 20 Oct 2026 View ↗

Plans & drawings 5

PDF PROPOSED GROUND FLOOR PLAN AND SECTION Plans · 20 Oct 2026 View ↗ PDF EXISTING AND PROPOSED REAR ELEVATION Plans · 20 Oct 2026 View ↗ PDF EXISTING GROUND FLOOR PLAN AND SECTION A-A Plans · 20 Oct 2026 View ↗ PDF PROPOSED BASEMENT PLAN AND SECTION Plans · 20 Oct 2026 View ↗ PDF EXISTING BASEMENT PLAN AND SECTION Plans · 20 Oct 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 20 Oct 2026 View ↗

All documents on the council site ↗

Associated applications 2

  • Part of

    FullApprovedcouncil archive

    Conditions 3 awaiting decision

    • ConditionsApproval of details pursuant to condition 3 (Plumbing and Ventilation)This application26/03068/DET

Site constraints 9

Grade II listed: 1-23, Roupell Street Se1
List entry 1121892 · The pin is inside its outline · 20 more listed buildings within 150 m (19 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 20 with distances
Historic England ↗
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 ↗
Roupell Street 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.
Air quality management area: Lambeth 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 302 m away: Thames Tideway Tunnel
The site is 302 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, 175 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 ↗
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.
Opportunity area
Where the London Plan expects significant growth.
Boundaries are indicative and the borough holds the detailed plan.
Also on the record
Inside the Lambeth built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square.
Not affected
Not green belt · No scheduled monument at the site

Checked on 1 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 2

Last sold for £1,300,000 in January 2022. Terraced house, freehold.

6 January 2022£1,300,000
21 May 1999£271,000

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

Building

Floor area111 m² (1,195 sq ft)
Energy ratingE (43 out of 100), could reach B
PropertyMid-terrace house, 5 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in July 2019, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Lambeth
Application type
Approval of Details
Postcode
SE1 8SP
Received
19 Oct 2026
Validated
27 Oct 2026
Ward
Waterloo & South Bank
Case officer
Show
Target decision
22 Dec 2026
Applicant
Show
Agent
Robert Birbeck Architect

Public comments

No public comments yet.

Last counted 31 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
22 Dec 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
21 Roupell Street London SE1 8SP
Excavation of basement to lower the floor and increase head height, removal of walls and…
25/02028/LB
2025 Approved
21 Roupell Street London SE1 8SP
Excavation of basement to lower the floor and increase head height. Replacement of roof g…
25/02027/FUL
2025 Withdrawn
18 Roupell Street London SE1 8SP
Raise back garden ground level to allow for secure off-street parking space. (Please note…
25/02105/LB
2025 Withdrawn
18 Roupell Street London SE1 8SP
Raise back garden ground level to allow for secure off-street parking space. (Please note…
25/02104/FUL
2025 Approved
26 Roupell Street London SE1 8TB
Application for Listed Building Consent for the removal and replacement of plaster to int…
25/00193/LB
2024 Approved
8 Theed Street London SE1 8ST
Remove existing roofing tiles and replace with new slate roofing, replacement of existing…
24/02987/LB
2024 Approved
8 Theed Street London SE1 8ST
Remove existing roofing tiles and replace with new slate roofing, replacement of existing…
24/02986/FUL
2024 Approved
2 Roupell Street London SE1 8SP
Replacement of existing front door with a new 6 panel door.
24/02482/FUL
2024 Withdrawn
2 Roupell Street London SE1 8SP
Hard and soft landscaping to the rear garden.
24/02102/FUL
2023 Approved
26 Roupell Street London SE1 8TB
Basement excavation and extension to the rear. (Planning permission and Listed building c…
23/03191/FUL
2023 Approved
26 Roupell Street London SE1 8TB
Basement excavation and extension to the rear with associated internal alterations.
23/03192/LB
2024 Approved
2 Roupell Street London SE1 8SP
Installation of a new 6 panel door with matching detailing to that which was removed, fit…
24/01631/LB
2023 Approved
29 Roupell Street London Lambeth SE1 8TB
Reinstating removed fireplace surrounds to ground floor living room, first floor bedroom…
23/03852/LB
2023 Approved
67 Roupell Street London Lambeth SE1 8SS
Demolition of existing rear ground floor infill extension and erection of a replacement e…
23/02980/FUL
2023 Approved
67 Roupell Street London Lambeth SE1 8SS
Demolition of existing rear ground floor infill extension and erection of a replacement e…
23/02981/LB
2023 Withdrawn
29 Roupell Street London Lambeth SE1 8TB
Reinstating removed fireplace surrounds to ground floor living room, first floor bedroom…
23/03851/FUL
2023 Approved
18 Roupell Street London SE1 8SP
Basement excavation and amendments to existing side return extension and rear return incl…
23/00451/LB
2023 Approved
18 Roupell Street London SE1 8SP
Basement excavation and amendments to existing side return extension and rear return incl…
23/00450/FUL
2023 Approved
5 Theed Street London Lambeth SE1 8ST
Replacement of the roofing with natural hand riven slates with new lead flashing and incl…
23/00894/LB
2023 Approved
5 Theed Street London Lambeth SE1 8ST
Replacement of the roofing with natural hand riven slates with new lead flashing and incl…
23/00893/FUL
2017 Refused
74 Roupell Street London SE1 8SS
Demolition of existing brick wall, railings and gates, and erection of two storey extensi…
17/01399/LB
2016 Approved
12 Roupell Street London SE1 8SP
Replacement of bathroom fittings and water supply pipework in ground floor bathroom and d…
16/06205/LB
2016 Withdrawn
12 Roupell Street London SE1 8SP
Replacement of bath, sink, taps and water supply pipework in ground floor bathroom and di…
16/06204/FUL
2016 Approved
6 Roupell Street London SE1 8SP
Enlargement of existing basement extension including a rear lightwell and glazed floor pa…
16/00978/LB
2016 Approved
6 Roupell Street London SE1 8SP
Enlargement of existing basement extension including a rear lightwell and glazed floor pa…
16/00977/FUL
Lambeth
Planning Authority Score
2.7/10
Poor
#242 of 296 councils
Relevant to this application:
Householder decisions

Lambeth ranks #164 out of 296 councils for householder decision speed. 47% of applications have the time limit extended, above the 41% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Lambeth decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #274 of 296
81%
Householder approved
Below avg (90%) #273 of 296
62%
Decided in 8 weeks
Below avg (63%) #164 of 296
47%
Extended time limit
Above avg (41%) #209 of 296
46%
Minor dwellings approved
70 decided (1-9 homes)
100%
Major dwellings approved
9 decided (10+ homes)
42%
Change of use approved
53 decided
1,784
Total decisions
396 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.