41 Tunnel Avenue, Greenwich, London, SE10 0SF Data via plota.co.uk

26/2435/HD - Householders Approved
Extensions & alterations

Proposal

Conversion of garage into a habitable room and replacing garage door with a window. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
17 Aug 2026
✓
Consultation
21 Aug 2026
✓
Approved
12 Oct 2026

Approved on 12 Oct 2026 · Delegation · Last checked 13 Oct 2026

Documents 14

Decision & officer reports 2

PDF Officer delegated report Report · 12 Oct 2026 View ↗ PDF Decision notice Decision Notice · 12 Oct 2026 View ↗

Statements & assessments 4

PDF Flood-map-planning Document · 17 Aug 2026 View ↗ PDF Flood risk assessment Document · 17 Aug 2026 View ↗ PDF Planning statement Document · 17 Aug 2026 View ↗ PDF Reasonable exemption statement Document · 17 Aug 2026 View ↗

Plans & drawings 6

PDF Sa/sp/56/00aug 2 Location plan Drawing · 17 Aug 2026 View ↗ PDF Sa/sp/56/01a Existing block plan Drawing · 17 Aug 2026 View ↗ PDF Sa/sp/56/01b Proposed block plan Drawing · 17 Aug 2026 View ↗ PDF Sa/sp/45/02 Existing and proposed ground floor plans Drawing · 17 Aug 2026 View ↗ PDF Sa/sp/45/02 Existing and proposed front elevations and sections Drawing · 17 Aug 2026 View ↗ PDF Sa/sp/45/03 Existing and proposed roof plans Drawing · 17 Aug 2026 View ↗

Application forms 1

PDF Application form redacted Application Form · 17 Aug 2026 View ↗

Other documents 1

PDF Acknowledgement letter Correspondence · 21 Aug 2026 View ↗

All documents on the council site ↗

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 ↗
National infrastructure project: Thames Tideway Tunnel
The site is inside the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: Silvertown Tunnel (decided, 761 m); London Strategic Heat Main Project (at pre-application, 10 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 ↗
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: Greenwich 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 ↗
Also on the record
Radon affected area, class 2; Inside the Greenwich built-up area; Public transport access: PTAL 4 (good), 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.

Sales history 4

Last sold for £321,500 in January 2018. Terraced house, freehold.

9 January 2018£321,500
23 January 2008£368,600
10 February 2006£290,000
18 January 1999£140,000New build

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

Building

Floor area109 m² (1,173 sq ft)
Energy ratingC (76 out of 100), could reach B
PropertyMid-terrace house, 5 habitable rooms
Built1996 to 2002
HeatingBoiler and radiators, mains gas
WallsTimber frame, as built, insulated (assumed)

From the energy performance certificate lodged in December 2017, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Greenwich
Application type
Householders
Postcode
SE10 0SF
Received
17 Aug 2026
Validated
17 Aug 2026
Ward
EAST GREENWICH
Parish
Greenwich
Case officer
Show
Target decision
12 Oct 2026
Decision
Approve
Decision date
12 Oct 2026
Decision level
Delegation
Applicant
Show
Agent
SA Design Services Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 77% of extensions here are.

82%decided within 8 weeks
77%approved
835decided in the last year

Plota live figures for extensions decided by Greenwich in the last twelve months, from validation. Greenwich decision record →

Public comments

No public comments yet.

Last counted 13 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15159288
Planning Portal ref
PP-15159288
Consultation
21 Aug 2026
Comments by
11 Sept 2026
Statutory expiry
12 Oct 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
1 FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Conversion of existing conservatory to single storey rear extension with associated works.
25/3223/HD
2025 Approved
37A FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Construction of a loft conversion with a rear dormer, and 3 rooflights to front roof slop…
25/2078/F
2024 Refused
37A FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Construction of a loft conversion with a rear and outrigger dormer, juliet balcony and 3…
24/3490/F
2024 Approved
51 FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Replacement of front, rear and side outrigger windows to all flats with double glazed whi…
24/2569/F
2024 Approved
69 FINGAL STREET, LONDON, SE10 0JL
Conversion of garage into habitable space and associated internal and external alteration…
24/0725/HD
2024 Refused
37A FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Construction of a loft conversion with rear and outrigger dormers, juliet balcony and 3 r…
24/0338/F
2023 Approved
17 FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Construction of a single storey side/rear infill extension and associated external altera…
23/0451/HD
2022 Approved
31 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Conversion of garage into a habitable space, including the replacement of garage door wit…
22/0675/HD
2021 Refused
63 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Roof conversion with rear dormer and installation of two front rooflights.
21/3397/HD
2019 Approved
15 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Construction of a single storey rear conservatory.
19/1414/HD
2019 Refused
15 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Installation of a rear dormer window and 2 front roof lights.
19/1337/HD
2019 Approved
39 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Construction of a single storey rear conservatory.
19/0370/HD
2019 Approved
13 FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Construction of a single storey rear infill extension and partial lowering of basement fl…
19/0580/HD
2019 Approved
21A FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Rear dormer roof extension with the installation of three front roof lights, one roof lig…
19/0608/F
2018 Refused
63 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Roof extension comprising rear dormer and 2 front rooflights.
19/0002/HD
2018 Refused
21A Fingal Street, Greenwich, SE10 0JL
Construction of a rear dormer window with an outrigger extension and the installation of…
18/4332/F
2018 Refused
15 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Rear dormer roof extension with the installation of two front roof lights.
18/3185/HD
2018 Approved
43 Tunnel Avenue, Greenwich, SE10 0SF
Conversion of garage into a habitable room including the replacement of garage door with…
18/2992/HD
2018 Refused
15 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Loft conversion comprising rear dormer window and 2 front roof lights.
18/2434/HD
2018 Approved
7 FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Construction of a single storey rear extension (Resubmission).
18/1300/HD
2016 Refused
57 TUNNEL AVENUE, GREENWICH, LONDON, SE10 0SF
Retention of a single storey rear extension.
16/1636/F
2016 Refused
23 Tunnel Avenue, Greenwich, London, SE10 0SF
Construction of a single storey rear extension.
16/1230/F
2016 Refused
23 FINGAL STREET, GREENWICH, LONDON, SE10 0JL
Construction of a single storey rear infill extension.
16/1233/F
2016 Refused
1 Denham Street, Greenwich, London, SE10 0RX
Prior Notification for the construction of a 3.5 metre deep rear extension with a maximum…
16/0895/PN1
2016 Approved
3 Fingal Street, Greenwich, London, SE10 0JL
Loft conversion comprising rear dormer window and 2 front rooflights.
16/0286/CP
Greenwich
Planning Authority Score
5.4/10
Average
#123 of 296 councils
Relevant to this application:
Householder decisions

Greenwich is faster than most councils at deciding householder applications, ranking #76 out of 296. Only 29% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Greenwich is also one of the strictest councils - it refuses more householder applications than almost any other, with only 78% approved vs 90% nationally.

One of the strictest councils
only 78% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Greenwich decision statistics
Based on MHCLG data, the year to March 2026
77%
Overall approval rate
Below avg (87%) #278 of 296
78%
Householder approved
Below avg (90%) #287 of 296
75%
Decided in 8 weeks
Above avg (63%) #76 of 296
29%
Extended time limit
Below avg (41%) #49 of 296
60%
Minor dwellings approved
114 decided (1-9 homes)
100%
Major dwellings approved
13 decided (10+ homes)
66%
Change of use approved
195 decided
1,468
Total decisions
331 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.