122 Cannon Hill Lane, Raynes Park, Merton, SW20 9ET Data via plota.co.uk

Pending 26/HOUSE/1713 - Householder
Extensions & alterations
Council
Merton 4.5/10
Date received
3 Sept 2026
Postcode
SW20 9ET
Type
Householder

Description

Erection of a part two storey part single storey rear extension and boundary wall erection of 1.2m Data via plota.co.uk

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Last checked

Decision outlook

Plota predicts a decision around 28 Oct 2026, from recent householder applications across the UK.

Day 11 of the 56-day target. Councils usually decide householder applications by day 55.

Day 1145 days to the 56-day target
71%decided within 8 weeks
90%approved
31,203decided in the last year

Plota live figures for householder applications decided across the UK in the last twelve months, from validation; too few recent householder applications in Merton to go on. Merton decision record →

Site constraints 2

Air quality management area: Merton 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 Merton 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

30 Jul 2026Approved

463 Cannon Hill Lane, Raynes Park, Merton, SW20 9HH

APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED EREC...

26/LDCP/1283
1 Jul 2026Decided

186 Cannon Hill Lane, Raynes Park, Merton, SW20 9BY

APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE S...

26/PAHE/1242

Nearby new applications

11 Sept 2026Pending

62 Buckleigh Avenue, Raynes Park, Merton, SW20 9JZ

APPLICATION FOR A SINGLE STOREY REAR EXTENSION.

26/HOUSE/1911
8 Sept 2026Pending

77 Bronson Road, Raynes Park, Merton, SW20 8DZ

APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESEPCT OF THE PROPOSED EREC...

26/LDCP/1902
26 Aug 2026Pending

46 Westcroft Gardens, Morden, Surrey, Merton, SM4 4DL

ERECTION OF A SINGLE-STOREY DETACHED GARDEN OUTBUILDING TO THE REAR GARDENFOR US...

26/HOUSE/1128
20 Aug 2026Pending

151 Whatley Avenue, Raynes Park, Merton, SW20 9NT

APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE S...

26/PAHE/1757
20 Aug 2026Approved

STONELEIGH Church Path, Wimbledon, Merton, SW19 3HL

T1 - SYCAMORE - REDUCE CROWN BACK TO THE PREVIOUS PRUNING POINTS ALL ROUND, APPR...

26/10/1759
14 Aug 2026Pending

27 Mostyn Road, Wimbledon, Merton, SW19 3LL

T4- Pine tree crown clean and reduce laterals by 2m - 2.5m and height by 2m.

26/TCA/1712

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
102 Cannon Hill Lane Raynes Park SW20 9ET
APPLICATION FOR THE ERECTION OF A SINGLE STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXT…
25/P2383/INVALID
2025 Approved
102 Cannon Hill Lane Raynes Park SW20 9ET
APPLICATION FOR THE ERECTION OF A SINGLE STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXT…
25/P2383
2025 Approved
92 Buckleigh Avenue Raynes Park SW20 9JZ
DEMOLITION OF EXISTING CONSERVATORY AND THE ERECTION OF A SINGLE STOREY REAR EXTENSION.
25/P1349
2022 Approved
39 Cannon Hill Lane Raynes Park SW20 9JY
ERECTION OF A HIP TO GABLE AND REAR DORMER AND TWO FRONT ROOF LIGHTS
22/P1574
2022 Approved
40 Haynt Walk Raynes Park London SW20 9NX
ERECTION OF A SINGLE STOREY REAR EXTENSION.
22/P0943
2022 Refused
39 Cannon Hill Lane Raynes Park SW20 9JY
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED REAR DORMER A…
22/P0766
2022 Approved
14 Haynt Walk Raynes Park London SW20 9NX
APPLICATION FOR THE REBUILDING OF AN EXISTING FRONT ROOF EXTENSION (LIKE-FOR-LIKE REPLACE…
22/P0694
2021 Approved
98 Cannon Hill Lane Raynes Park London SW20 9ET
ERECTION OF A SINGLE STOREY SIDE & REAR EXTENSION, A LARGER STAIRWELL WINDOW IN FLANK ELE…
21/P3155
2019 Approved
41 Cannon Hill Lane Raynes Park London SW20 9JY
ERECTION OF A SINGLE STOREY REAR EXTENSION.
19/P3980
2019 Approved
21 Haynt Walk Raynes Park London SW20 9NY
DEMOLITION OF EXISTING CONSERVATORY AND ERECTION OF A SINGLE STOREY REAR EXTENSION
19/P0754
2018 Withdrawn
29 Cannon Hill Lane Raynes Park London SW20 9JY
FORMATION OF A VEHICLE CROSSOVER AND ASSOCIATED HARDSTANDING
18/P3422
2018 Withdrawn
29 Cannon Hill Lane Raynes Park London SW20 9JY
FORMATION OF A VEHICLE CROSSOVER AND ASSOCIATED HARDSTANDING
18/P3422/INVALID
2018 Refused
65 Cannon Hill Lane Raynes Park SW20 9JY
ERECTION OF COVERED WALKWAY LINKING THE HOUSE WITH THE EXISTING OUTBUILDING IN REAR GARDEN
18/P2477
2018 Approved
59 Cannon Hill Lane Raynes Park London SW20 9JY
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED REAR ROOF EXT…
18/P1215
2017 Withdrawn
40 Haynt Walk Raynes Park SW20 9NX
ERECTION OF A SINGLE STOREY REAR EXTENSION.
17/P1771/INVALID
2016 Refused
82 Cannon Hill Lane Raynes Park London SW20 9ET
ERECTION OF A SINGLE STOREY REAR AND SIDE EXTENSION, A REAR ROOF EXTENSION WITH INSTALLAT…
16/P2835/INVALID
2016 Refused
82 Cannon Hill Lane Raynes Park London SW20 9ET
ERECTION OF A SINGLE STOREY REAR AND SIDE EXTENSION, A REAR ROOF EXTENSION WITH INSTALLAT…
16/P2835
2017 Withdrawn
40 Haynt Walk Raynes Park London SW20 9NX
APPLICATION FOR A SINGLE STOREY SIDE EXTENSION.
17/P0156
2016 Refused
65 Cannon Hill Lane Raynes Park SW20 9JY
ERECTION OF COVERED WALKWAY LINKING THE HOUSE WITH THE EXISTING BUILDING IN REAR GARDEN
16/P4388/INVALID
2016 Refused
65 Cannon Hill Lane Raynes Park SW20 9JY
ERECTION OF COVERED WALKWAY LINKING THE HOUSE WITH THE EXISTING BUILDING IN REAR GARDEN
16/P4388
2016 Refused
65 Cannon Hill Lane Raynes Park SW20 9JY
ERECTION OF COVERED WALKWAY LINKING EXISTING CONSERVATORY WITH EXISTING ANNEX, TO FACILIT…
16/P1935/INVALID
2016 Refused
65 Cannon Hill Lane Raynes Park SW20 9JY
ERECTION OF COVERED WALKWAY LINKING EXISTING CONSERVATORY WITH EXISTING ANNEX, TO FACILIT…
16/P1935
2016 Approved
44 Haynt Walk Raynes Park SW20 9NX
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A…
16/P1367
2016 Approved
94 Cannon Hill Lane Raynes Park London SW20 9ET
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE FOR THE ERECTION OF A SINGLE STOREY REAR…
16/P1557
2022 Approved
27 Haynt Walk Raynes Park London SW20 9NY
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE EXISTING USE OF A SING…
22/P3073
Merton
Planning Authority Score
4.5/10
Below average
#173 of 296 councils
Relevant to this application:
Householder decisions

Merton ranks #196 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Merton decision statistics
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #135 of 296
92%
Householder approved
Above avg (90%) #158 of 296
57%
Decided in 8 weeks
Below avg (63%) #196 of 296
39%
Extended time limit
Below avg (41%) #139 of 296
54%
Minor dwellings approved
82 decided (1-9 homes)
100%
Major dwellings approved
11 decided (10+ homes)
83%
Change of use approved
24 decided
1,079
Total decisions
115 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings