84 Undercliff Gardens Leigh-on-sea Essex SS9 1ED Data via plota.co.uk

26/00636/FUL - Full Application Approved
Extensions & alterations

Proposal

Convert two flats to one dwellinghouse, install balconies to north and south elevations, erect sauna shed to rear, extend garage and alter elevations Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Validated
11 May 2026
✓
Received
15 May 2026
✓
Approved
6 Jul 2026

Approved on 6 Jul 2026 · Delegated Decision · Last checked 6 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 4

Ramsar wetland 57 m away: Benfleet and Southend Marshes
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.
SSSI 57 m away: Benfleet and Southend Marshes SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Southend-on-Sea built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building 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

23 Jul 2026Pending

86 Undercliff Gardens Leigh-on-sea Essex SS9 1ED

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Important details

Council
Southend
Application type
Full Application
Postcode
SS9 1ED
Received
15 May 2026
Validated
11 May 2026
Ward
Leigh
Parish
Leigh Town Council
Case officer
Show
Target decision
6 Jul 2026
Decision
Grant Conditional Permission
Decision date
6 Jul 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Stone Me Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 85% of extensions here are.

75%decided within 8 weeks
85%approved
421decided in the last year

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

Public comments

1comment received
1 neutral

13 neighbours consulted · Last counted 6 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
6 Jul 2026
Env. assessment
No

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
92 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Raise roof to create additional floor, erect single storey rear extension and alter eleva…
25/01053/FULH
2025 Refused
88 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Erect automatic gate on Grand Parade (Retrospective)
25/00787/FULH
2025 Approved
86 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Erect two storey rear extension, erect retaining wall, balcony to front, raise existing f…
25/00231/FULH
2025 Approved
Flat 1 82 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Extend existing detached outbuilding to front, raise height of boundary fence on east ele…
25/00069/FUL
2024 Approved
98 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Erect parking platform to rear at street level with glass balustrade and undercroft garde…
24/01390/FULH
2024 Approved
91B Grand Parade Leigh-on-sea Essex SS9 1DR
Enlarge existing rear roof dormer to existing slate tiled roof.
24/01271/FUL
2023 Approved
91 Grand Parade Leigh-on-sea Essex SS9 1DR
Convert two self contained flats on first and second floors into one self contained flat…
23/01755/FUL
2023 Approved
89A Grand Parade Leigh-on-sea Essex SS9 1DR
Remove existing balcony roof and walls and install juliet balcony with glazed balustrade
23/01123/FUL
2023 Refused
91 Grand Parade Leigh-on-sea Essex SS9 1DR
Install dormer to front with juliette balcony, convert two self contained flats on first…
23/00873/FUL
2022 Approved
88 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Erect detached garage incorporating cycle store and bin store on frontage (Amended Propos…
22/01099/FULH
2022 Refused
88 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Erect detached garage, bin store and form gated boundary entrance (Amended Proposal)
22/00669/FULH
2021 Refused
Flat 1 82 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Extend existing detached outbuilding to form store area
21/02498/FUL
2021 Refused
88 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Erect detached garage, bin store and form gated boundary entrance
21/01571/FULH
2021 Approved
Flat 1 82 Undercliff Gardens Leigh-On-Sea Southend-On-Sea SS9 1ED
Extend existing detached outbuilding to front and increase height of part of boundary fen…
21/01032/FUL
2021 Approved
Flat 1 82 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED
Extend existing garage
21/00809/FUL
2020 Approved
Flat 3 82 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED
Convert two existing flats (numbers 2 and 3) into one duplex flat
20/01994/FUL
2020 Approved
70 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED
Erect two storey extension to rear elevation, alterations to side and rear elevations (Am…
20/00690/FULH
2019 Refused
70 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED
Erect two storey extension to rear elevation, alterations to side and rear elevations and…
19/02369/FULH
2017 Approved
79C Grand Parade Leigh-On-Sea Essex SS9 1DR
Replace existing balcony to front at second floor and alter front elevation
17/02282/FUL
2017 Refused
91A Grand Parade Leigh-On-Sea Essex SS9 1DR
Erect glass veranda and raised decking with staircase to rear
17/00101/FUL
2016 Refused
88 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED
Demolish existing dwelling and erect replacement detached dwellinghouse with cycle and bi…
16/01558/FUL
2025 Approved
72 Undercliff Gardens Leigh-on-sea Essex SS9 1ED
Demolish existing dwellinghouse (Application for Prior Approval for Demolition)
25/01344/DEM
2024 Refused
91 Grand Parade Leigh-on-sea Essex SS9 1DR
Extend dormer to rear (Non-material amendment to planning permission 23/01755/FUL dated 2…
24/00764/NON
2020 Approved
112 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED
Application to vary condition number 2 (approved plans) to alter window sizes and materia…
20/01241/AMDT
2020 Approved
112 Undercliff Gardens Leigh-On-Sea Essex SS9 1ED
Approval of details pursuant to condition 04 (Details of Soft and hard landscaping) of pl…
20/01242/AD
Southend
Planning Authority Score
3.8/10
Below average
#209 of 296 councils
Relevant to this application:
Householder decisions

Southend ranks #155 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Southend decision statistics
Based on MHCLG data, the year to March 2026
80%
Overall approval rate
Below avg (87%) #261 of 296
88%
Householder approved
Below avg (90%) #224 of 296
64%
Decided in 8 weeks
Above avg (63%) #155 of 296
43%
Extended time limit
Above avg (41%) #173 of 296
62%
Minor dwellings approved
109 decided (1-9 homes)
78%
Major dwellings approved
9 decided (10+ homes)
56%
Change of use approved
82 decided
904
Total decisions
177 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings