17 Sandymount Avenue, Stanmore, Harrow, HA7 4UA Data via plota.co.uk

Pending PL/1884/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
27 Jul 2026
Postcode
HA7 4UA
Type
Householder

Description

Single storey front extension; two storey side extension; single storey rear extension; rear dormer; external alterations Data via plota.co.uk

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Nearby new applications

49 Morecambe Gardens, Stanmore, Harrow, HA7 4SL

Certificate of lawful development (proposed): Rear dormer; installation of three...

PL/1980/26 - 29 Jul 2026

73 Howberry Road, Edgware, Harrow, HA8 6TD

Single storey rear extension: 8.00 metres deep, 3.40 metres maximum height and 3...

PL/1634/26 - 28 Jul 2026

56 Silverston Way, Stanmore, Harrow, HA7 4HR

Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 3...

PL/1815/26 - 28 Jul 2026

82 Cheyneys Avenue, Canons Park, Edgware, Harrow, HA8 6SE

Two storey side extension; single and two storey rear extensions; alterations an...

PL/1811/26 - 28 Jul 2026

76 Elm Park, Harrow, Stanmore, HA7 4BQ

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

PL/1188/26 - 28 Jul 2026

78 Elm Park, Harrow, Stanmore, HA7 4BQ

Two-storey side-to-rear extension; single-storey rear extension; alterations and...

PL/1532/26 - 28 Jul 2026

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2024 Refused
Construction of two storey (2 bed dwelling); parking; landscaping; bin and cycle stores…
PL/1919/24
2023 Refused
Constriction of two storey (2 bed dwelling); parking; landscaping; bin and cycle stores
PL/0764/23
Within ~100m

Nearby activity

2025 Approved
38 Craigweil Drive, Stanmore, Harrow, HA7 4TU
Single storey front, side to rear extension, External alterations
PL/0395/25
2024 Approved
38 Craigweil Drive, Stanmore, Harrow, HA7 4TU
Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metre…
PL/2419/24
2024 Approved
39 Sandymount Avenue, Stanmore, Harrow, HA7 4UA
Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3.20 metre…
PL/0431/24
2023 Approved
22 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Single and two storey rear extension; external alterations
P/1739/23
2023 Approved
23 Sandymount Avenue, Stanmore, Harrow, HA7 4UA
Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.90 metre…
P/1329/23/PRIOR
2023 Refused
23 Sandymount Avenue, Stanmore, Harrow, HA7 4UA
Single storey rear extension: 6.00 metres deep, 2.90 metres maximum height and 3.20 metre…
P/0900/23/PRIOR
2022 Approved
59 Sandymount Avenue, Stanmore, Harrow, HA7 4UA
Single storey side to rear extension
P/3327/22
2022 Approved
34 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Conversion of dwelling into two flats (1 X 3 bed and 1 X 2 bed); single and two storey si…
P/0086/22
2022 Withdrawn
10 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
INVALID - Conversion of residential house into House in Multiple Occupation (HMO)
P/1941/22
2021 Approved
40 Dene Gardens, Stanmore, Harrow, HA7 4TD
Conversion of loft to provide additional habitable roofspace for first floor flat (1 x 4…
P/4962/21
2021 Withdrawn
34 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
INVALID - conversion of dwelling into 2 x self-contained flats with subdivision of land.
P/3753/21
2021 Approved
62 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 2.8 metres hi…
P/2135/21/PRIOR
2020 Approved
6 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Single storey rear extension: 6.00 metres deep, 3.50 metres maximum height and 3.00 metre…
P/4058/20/PRIOR
2020 Approved
2 Craigweil Drive, Stanmore, Harrow, HA7 4TU
Single storey side extension
P/3493/20
2020 Approved
37 Sandymount Avenue, Stanmore, Harrow, HA7 4UA
Single Storey Rear Extension: 6.00 metres deep, 3.00 metres maximum height, 3.00 metres h…
P/2179/20/PRIOR
2019 Approved
46 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Front porch; single and two storey rear extension; external alterations (Demolition of de…
P/2999/19
2019 Approved
46 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Single Storey Rear Extension: 6 metres deep, 3.25 metres maximum height, 3 metres high to…
P/3194/19/PRIOR
2019 Withdrawn
46 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Single Storey Rear Extension: 6 metres deep, 3 metres maximum height, 2.8 metres high to…
P/2967/19/PRIOR
2019 Approved
88 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Details pursuant to Conidtion 5 (modification to the scheme) of planning permission P/168…
P/2808/19
2019 Approved
88 Sandymount Avenue, Stanmore, Harrow, HA7 4TY
Single storey side to rear extension; conversion of garage to habitable room; external al…
P/1684/19
2017 Approved
8 Sandymount Avenue, Stanmore, HA7 4TY
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/1578/17/PRIOR
2016 Approved
33 Sandymount Avenue, Stanmore, HA7 4UA
Single storey rear extension: extending 4.5 Metres beyond the original rear wall 3 metres…
P/4401/16
2016 Approved
21 Sandymount Avenue, Stanmore, HA7 4UA
Single storey rear extension: extending 6 metres beyond the original rear wall 3.25 Metre…
P/3144/16
2016 Approved
33 Sandymount Avenue, Stanmore, HA7 4UA
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/2915/16
2016 Approved
1 Craigweil Drive, Stanmore, HA7 4TT
Single storey front extension incorporating front porch; two storey side extension; singl…
P/2027/16
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 performance
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