14 Dorchester Avenue, North Harrow, Harrow, HA2 7AY

Pending PL/0879/26 - Certificate of Lawful Development Proposed
Extensions & alterations
Council
Harrow 5.4/10
Date received
23 May 2026
Postcode
HA2 7AY
Type
Certificate of Lawful Development Proposed

Description

Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer with Juliette balcony; three rooflights in front roof slope

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Other new applications on this street

14 Dorchester Avenue, North Harrow, Harrow, HA2 7AY

Single storey rear extension: 6.00 metres deep, 3.15 metres maximum height and 3...

PL/0867/26 - 30 Mar 2026

3 Dorchester Avenue, North Harrow, Harrow, HA2 7AX

Single storey rear extension; external alterations

PL/0484/26 - 23 Feb 2026

Nearby new applications

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

Single storey front extension incorporating front porch; single storey side to r...

PL/1354/26 - 5 Jun 2026

36 Alfriston Avenue, North Harrow, Harrow, HA2 7EF

Single storey front extension incorporating front porch; single and two storey s...

PL/3031/25 - 2 Jun 2026

399 Pinner Road, North Harrow, Harrow, HA1 4HN

Single and two storey side extension; Single storey rear extension; Alterations ...

PL/1397/26 - 2 Jun 2026

34 Parkthorne Drive, North Harrow, Harrow, HA2 7BU

Certificate of Lawful Proposed Development: Single storey rear extension

PL/1383/26 - 27 May 2026

170 Whitmore Road, West Harrow, Harrow, HA1 4AQ

Single storey side to rear extension

PL/1126/26 - 23 May 2026

157 Butler Road, West Harrow, Harrow, HA1 4DX

Single storey side extension; external alterations

PL/1230/26 - 23 May 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
1 Sandhurst Avenue, West Harrow, Harrow, HA2 7AP
Conversion of dwelling into two flats (1 x 2 bed, 1 x 1 bed), Private amenity space and a…
PL/2980/25
2025
3 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single storey rear extension; change of use from single dwelling (Class C3) to five bed H…
PL/2052/25
2024 Approved
12 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.65 metre…
PL/2777/24
2024 Approved
8 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 4.00 metres deep, 3.73 metres maximum height and 2.76 metre…
PL/2120/24
2024 Refused
12 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 3.30 metre…
PL/2067/24
2024 Withdrawn
12 Dorchester Avenue, North Harrow, Harrow, HA2 7AY
Construction of a two storey dwelling (1 x 3 beds); amenity space; access; boundary treat…
PL/1961/24
2024 Approved
4 Sandhurst Avenue, West Harrow, Harrow, HA2 7AP
Single storey rear extension: 4.30 metres deep, 3.77 metres maximum height and 2.79 metre…
PL/1839/24
2024 Withdrawn
8 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 6.00 metres deep, 3.73 metres maximum height and 2.76 metre…
PL/0690/24
2023 Approved
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Construction of attached garage to side at rear; external alterations (demolition of gara…
P/0229/23
2022 Refused
36 Dorchester Avenue, North Harrow, Harrow, HA2 7AU
Single storey rear conservatory extension
P/1025/22
2020 Refused
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single Storey Rear Extension: 6 metres deep, 4 metres maximum height, 3 metres high to th…
P/2903/20/PRIOR
2021 Approved
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single storey rear extension
P/0887/21
2020 Approved
2 Sandhurst Avenue, West Harrow, Harrow, HA2 7AP
Single storey front extension incorporating front porch; single storey side extension; ex…
P/2310/20
2020 Approved
1 Sandhurst Avenue, West Harrow, Harrow, HA2 7AP
Single storey side to rear extension
P/3056/20
2020 Approved
5 Dorchester Avenue, Harrow, HA2 7AX
Single storey rear extension loft conversion with rear dormer and associated alterations…
IN/01134/2020
2020 Approved
20 Dorchester Avenue, Harrow, HA2 7AY
Single storey rear extension
IN/01141/2020
2020 Approved
2 Sandhurst Avenue, Harrow, HA2 7AP
Single storey front/side extension two storey side extension single storey rear extension…
FP/00728/2020
2020 Approved
15 Sandhurst Avenue, Harrow, HA2 7AP
Replacement of loft conversion with rear dormer removal of chimney breasts and constructi…
IN/00790/2020
2020 Refused
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single Storey Rear Extension: 6 metres deep, 4 metres maximum height, 3 metres high to th…
P/2116/20/PRIOR
2020 Approved
20 Dorchester Avenue, North Harrow, Harrow, HA2 7AY
Single Storey Rear Extension: 5.00 metres deep, 4.00 metres maximum height, 3.00 metres h…
P/2055/20/PRIOR
2018 Approved
9 Sandhurst Avenue, West Harrow, Harrow, HA2 7AP
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.15 metr…
P/0162/18/PRIOR
2017 Approved
6 Sandhurst Avenue, Harrow, HA2 7AP
Single storey rear extension: extending 4.3 Metres beyond the original rear wall 4 metres…
P/3735/17/PRIOR
2017 Approved
63 Dorchester Avenue, Harrow, HA2 7AX
Single storey outbuilding in rear garden (demolition of garage)
P/3069/17
2017 Approved
63 Dorchester Avenue, Harrow, HA2 7AX
Single storey rear extension: extending 6 metres beyond the original rear wall 3.81 Metre…
P/0340/17
2016 Approved
8 Dorchester Avenue, Harrow, HA2 7AZ
Single storey front and side extension incorporating front porch
P/4081/16
Harrow
Planning Authority Score
5.4/10
Average
#125 of 292 councils
Relevant to this application:
Householder decisions

Harrow is faster than most councils at deciding householder applications, ranking #88 out of 292. 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, 2025
78%
Overall approval rate
Below avg (87%) #270 of 292
83%
Householder approved
Below avg (90%) #255 of 292
74%
Decided in 8 weeks
Above avg (64%) #88 of 292
31%
Extended time limit
Below avg (40%) #60 of 292
49%
Minor dwellings approved
136 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
54%
Change of use approved
24 decided
1,316
Total decisions
287 refused in 2025
Source: MHCLG planning statistics · See full council rankings