87 Blenheim Road, West Harrow, Harrow, HA2 7AQ Data via plota.co.uk

Approved PL/0912/26 - Certificate of Lawful Development Proposed
Extensions & alterations
Council
Harrow 4.9/10
Date received
23 May 2026
Postcode
HA2 7AQ
Type
Certificate of Lawful Development Proposed

Description

Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; window in end gable, and extension to SVP Data via plota.co.uk

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Last checked

Site constraints 2

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 ↗
Also on the record
Inside the Harrow built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.

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Other new applications on this street

21 Jul 2026Approved

74 Blenheim Road, West Harrow, Harrow, HA2 7AF

Certificate of Lawful Proposed Development: Alterations to roof to form end gabl...

PL/1909/26

Nearby new applications

5 Sept 2026Pending

184 The Ridgeway, North Harrow, Harrow, HA2 7DD

Single storey front to side extension; Alterations to porch roof (Demolition of ...

PL/2300/26
5 Sept 2026Pending

8 Northumberland Road, North Harrow, Harrow, HA2 7RD

Certificate of Lawful Development (Proposed): Alterations and extension to roof ...

PL/1899/26
20 Aug 2026Pending

29 Gloucester Road, North Harrow, Harrow, HA1 4PP

Certificate of Lawful Proposed Development: Alterations to roof to form end gabl...

PL/1402/26
19 Aug 2026Approved

8 Northumberland Road, North Harrow, Harrow, HA2 7RD

Certificate of Lawful Development (Proposed): Alteration to roof to form end gab...

PL/1744/26
13 Aug 2026Approved

9 Elm Close, North Harrow, Harrow, HA2 7BT

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13 Aug 2026Pending

51 The Gardens, West Harrow, Harrow

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Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
3 Blenheim Road, West Harrow, Harrow, HA2 7AQ
Single storey front extension incorporating porch; single storey side to rear extension…
PL/1617/25
2024 Approved
4 Blenheim Road, West Harrow, Harrow, HA2 7AH
Single storey front to side extension incorporating porch; external alterations (demoliti…
PL/1527/24
2022 Approved
3 Blenheim Road, West Harrow, Harrow, HA2 7AQ
Single storey front extension incoporating porch; single storey side to rear extension; e…
P/0955/22
2021 Approved
65 Blenheim Road, West Harrow, Harrow, HA2 7AQ
First floor side and rear extensions; external alterations
P/2613/21
2021 Approved
18 Blenheim Road, Harrow, HA2 7AH
Single storey front extension incorporating front porch; two storey side to rear extensio…
P/4519/20/5887
2021 Approved
22 Blenheim Road, West Harrow, Harrow, HA2 7AH
Single storey rear extension; external alterations
P/1355/21
2021 Approved
13 Blenheim Road, West Harrow, Harrow, HA2 7AQ
Single storey side to rear extension; conversion of garage to bedroom with installation o…
P/1398/21
2020 Refused
18 Blenheim Road, West Harrow, Harrow, HA2 7AH
Single storey front extension incorporating front porch; two storey side to rear extensio…
P/4519/20
2020 Approved
20 Blenheim Road, Harrow, HA2 7AH
Single storey rear extension; pitched roof over existing side extension; external alterat…
P/0961/20/5777
2020 Approved
18 Blenheim Road, Harrow, HA2 7AH
Removal of chimney breasts
BN/01249/2020
2020 Approved
18 Blenheim Road, West Harrow, Harrow, HA2 7AH
Single storey front extension incorporating front porch; two storey side to rear extensio…
P/2555/20
2020 Approved
11 Blenheim Road, Harrow, HA2 7AQ
Single storey front extension incorporating front porch single storey side to rear extens…
IN/01002/2020
2020 Approved
46 Blenheim Road, West Harrow, Harrow, HA2 7AH
Single storey front extension; single storey rear extension; alterations and extension to…
P/2035/20
2020 Approved
23 Blenheim Road, Harrow, HA2 7AQ
Single storey side extension
FP/00626/2020
2020 Approved
46 Blenheim Road, West Harrow, Harrow, HA2 7AH
Single Storey Rear Extension: extending 4.50 metres beyond the original rear wall, 3.00 m…
P/1537/20/PRIOR
2020 Refused
20 Blenheim Road, West Harrow, Harrow, HA2 7AH
Single storey rear extension; pitched roof over existing side extension; external alterat…
P/0961/20
2020 Approved
11 Blenheim Road, West Harrow, Harrow, HA2 7AQ
Single storey front extensiom incorporating front porch; single storey side to rear exten…
P/0491/20
2020 Approved
11 Blenheim Road, Harrow, HA2 7AQ
Single storey rear extension: 5.00 Metres deep 3.69 Metres maximum height 3.00 Metres hig…
P/0538/20/PRIOR
2019 Refused
11 Blenheim Road, West Harrow, Harrow, HA2 7AQ
Single Storey Rear Extension: 6 metres deep, 3.17 metres maximum height, 3 metres high to…
P/5075/19/PRIOR
2019 Withdrawn
11 Blenheim Road, West Harrow, Harrow, HA2 7AQ
Single Storey Rear Extension: metres deep, metres maximum height, metres high to the eaves
P/5016/19
2016 Approved
6 Blenheim Road, Harrow, HA2 7AH
Single storey front extension; single and two storey side to rear extension and single st…
P/4020/16
2016 Approved
65 Blenheim Road, Harrow, HA2 7AQ
First floor side to rear extension
P/3860/16
2016 Approved
6 Blenheim Road, Harrow, HA2 7AH
Single storey front side and rear extension; external alterations (demolition of attached…
P/1535/16
2016 Approved
23 Blenheim Road, Harrow, HA2 7AQ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/0570/16
2016 Approved
23 Blenheim Road, Harrow, HA2 7AQ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/0236/16
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