46 Hartington Close, Sudbury, Harrow, HA1 3RL Data via plota.co.uk

PL/2889/26 - Householder Pending Consideration
Extensions & alterations

Proposal

Single storey rear extension Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
2 Nov 2026
Decision
Expected by 28 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 28 Dec 2026, from Harrow's recent extensions.

Documents 4

Statements & assessments 1

PDF Fire Safety Statement Report/Assessment · 2 Nov 2026 View ↗

Plans & drawings 2

PDF Proposed & existing floor plans & elevations Plans · 2 Nov 2026 View ↗ PDF Location plan Plans · 2 Nov 2026 View ↗

Application forms 1

PDF Application Form redacted Application Form (Redacted) · 2 Nov 2026 View ↗

All documents on the council site ↗

Site constraints 5

Air quality management area: Harrow 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 ↗
Local nature reserve 165 m away: Grove Farm
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
Inside the Harrow built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square; Metropolitan Open Land 88 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 5 November 2026. Historic England, the Environment Agency, Natural England, 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 1

Last sold for £210,000 in January 2007. Terraced house, leasehold.

15 January 2007£210,000

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

Building

Floor area75 m² (807 sq ft)
Energy ratingC (70 out of 100), could reach B
PropertyMid-terrace house, 3 habitable rooms
Built1976 to 1982
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in June 2019, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Nearby new applications

5 Nov 2026Pending

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60 Cavendish Avenue, Sudbury, Harrow, HA1 3RG

Single storey rear extension; external alterations

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Important details

Council
Harrow
Application type
Householder
Postcode
HA1 3RL
Received
2 Nov 2026
Validated
2 Nov 2026
Ward
Harrow on the Hill
Case officer
Show
Target decision
28 Dec 2026
Decision level
Schedule 1 - Delegated
Applicant
Show
Agent
AVIM Consultancy Ltd

Decision outlook

Day 9 of the 56-day target. Harrow usually decides extensions by day 56.

Day 947 days to the 56-day target
81%decided within 8 weeks
78%approved
1,884decided in the last year

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

Consultation & key dates

Statutory expiry
28 Dec 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
61 Cavendish Avenue, Sudbury, Harrow, HA1 3RD
Vehicle access
PL/0004/24
2023 Approved
59 Cavendish Avenue, Sudbury, Harrow, HA1 3RD
Single and two storey side to rear extension; single storey rear extension; alterations a…
P/2157/23
2022 Approved
45 Cavendish Avenue, Harrow, HA1 3RD
Single and two storey side extension; first floor rear extension; single storey rear exte…
P/0401/22/6111
2022 Refused
45 Cavendish Avenue, Sudbury, Harrow, HA1 3RD
Single storey side infill extension; single storey rear extension; external alterations…
P/3790/22
2022 Approved
52 Cavendish Avenue, Sudbury, Harrow, HA1 3RG
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.70 metre…
P/3041/22/PRIOR
2022 Refused
45 Cavendish Avenue, Sudbury, Harrow, HA1 3RD
Single and two storey side extension; first floor rear extension; single storey rear exte…
P/0401/22
2021 Approved
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG
Single storey rear extension
P/0288/22
2021 Withdrawn
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG
Single Storey Rear Extension: 6.00 metres deep, 3.85 metres maximum height, 2.90 metres h…
P/4873/21/PRIOR
2021 Refused
76 Cavendish Avenue, Sudbury, Harrow, HA1 3RG
Single Storey Rear Extension: 6.00 metres deep, 3.50 metres maximum height, 3.00 metres h…
P/4473/21/PRIOR
2019 Approved
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG
Single storey side and rear extension; patio and external steps at rear (demolition of at…
P/1191/19
2019 Approved
15 Cavendish Avenue, Sudbury, Harrow, HA1 3RD
Single storey side to rear extension (part demolition of existing garage)
P/1055/19
2018 Refused
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG
Single storey side and rear extension; patio and external steps at rear (demolition of at…
P/4864/18
2018 Approved
55 Cavendish Avenue, Harrow, HA1 3RD
Single storey rear extension
P/4344/18
2018 Approved
55 Cavendish Avenue, Sudbury, Harrow, HA1 3RD
Single storey rear extension
P/4343/18
2018 Approved
38 Cavendish Avenue, Harrow, HA1 3RG
Single storey rear extension: extending 6 metres beyond the original rear wall 3.742 Metr…
P/2218/18/PRIOR
2018 Approved
78 Cavendish Avenue, Harrow, HA1 3RG
Front porch; rear conservatory
P/1238/18
2018 Approved
64 Cavendish Avenue, Harrow, HA1 3RG
Single and two storey side extension; single and two storey rear extension (demolition of…
P/0856/18
2018 Refused
38 Cavendish Avenue, Sudbury, Harrow, HA1 3RG
Single storey side and rear extension; patio and external steps at rear (demolition of at…
P/0624/18
2018 Approved
64 Cavendish Avenue, Harrow, HA1 3RG
Single storey rear extension extending 6 metres beyond the original rear wall 3 metres ma…
P/0887/18/PRIOR
2017 Approved
38 Cavendish Avenue, Harrow, HA1 3RG
Single storey side to rear extension (demolition of attached garage)
P/2734/17/5297
2016 Approved
38 Cavendish Avenue, Harrow, HA1 3RG
Single storey rear extension
P/5004/16
2016 Approved
76 Cavendish Avenue, Harrow, HA1 3RG
Single storey rear extension: extending 6 metres beyond the original rear wall 3.5 Metres…
P/4731/16
2016 Approved
53 Cavendish Avenue, Harrow, HA1 3RD
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/4077/16
2016 Approved
38 Cavendish Avenue, Harrow, HA1 3RG
Single storey rear extension: extending 6 metres beyond the original rear wall 3.846 Metr…
P/4428/16
2016 Approved
55 Cavendish Avenue, Harrow, HA1 3RD
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/2839/16
Harrow
Planning Authority Score
4.9/10
Below average
#153 of 296 councils
Relevant to this application:
Householder decisions

Harrow ranks #115 out of 296 councils for householder decision speed. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

One of the strictest councils
only 83% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Harrow decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #273 of 296
83%
Householder approved
Below avg (90%) #261 of 296
71%
Decided in 8 weeks
Above avg (63%) #115 of 296
33%
Extended time limit
Below avg (41%) #77 of 296
44%
Minor dwellings approved
133 decided (1-9 homes)
80%
Major dwellings approved
5 decided (10+ homes)
38%
Change of use approved
26 decided
1,330
Total decisions
298 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.

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.