88 Blackthorn Avenue Southborough Tunbridge Wells Kent TN4 9YG Data via plota.co.uk

26/01986/FULL - Full Application Awaiting decision
Extensions & alterations

Proposal

Single storey side extension Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Sept 2026
Decision
Expected by 2 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 30 Oct 2026, from Tunbridge Wells's recent extensions. Comments are open until 29 Sept 2026.

Comment on this application ↗

Documents 1

Application forms 1

PDF Application Form Redacted Application Details · 7 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 8

Public footpath 19 m away
Matters where it crosses or adjoins the site: obstructing a path without a diversion order is an offence, and work cannot start until the order is confirmed.
Compiled from highway authority data, not the legal definitive map. A few authorities have not published, so no path shown is not proof there is none.
Local nature reserve 109 m away: Barnett's Wood
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.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
SSSI 159 m away: Southborough Pit 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.
Also on the record
National landscape 418 m away: High Weald; Inside the Southborough built-up area; Priority habitat 34 m away: Deciduous woodland; the 1970s provisional farmland map had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
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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Important details

Council
Tunbridge Wells
Application type
Full Application
Postcode
TN4 9YG
Received
7 Sept 2026
Validated
7 Sept 2026
Ward
High Brooms
Parish
Southborough Town Council
Case officer
Show
Target decision
2 Nov 2026
Decision level
Delegated Decision
Applicant
Show
Agent
MRW Desgin Ltd

Decision outlook

Day 7 of the 56-day target. Tunbridge Wells usually decides extensions by day 53.

Day 749 days to the 56-day target
80%decided within 8 weeks
93%approved
418decided in the last year

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

Consultation & key dates

Alt. reference
PLP-00007654
Comments by
29 Sept 2026
Statutory expiry
2 Nov 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2022 Approved
Single storey side extension
22/01650/FULL
Within ~100m

Nearby activity

2021 Approved
18 Alder Close Southborough Tunbridge Wells Kent TN4 9YE
Lawful Development Certificate (Proposed) - Proposed loft conversion
21/02460/LAWPRO
2020 Approved
20 Alder Close Southborough Tunbridge Wells Kent TN4 9YE
Prior notification for a proposed single-storey rear extension which: A) Extends by 3.50…
20/03847/PNEXT
2019 Approved
50 Blackthorn Avenue Southborough Royal Tunbridge Wells Kent TN4 9YG
Lawful Development Certificate (Proposed): Loft conversion and rear dormer window
19/00625/LAWPRO
2019 Approved
50 Blackthorn Avenue Southborough Royal Tunbridge Wells Kent TN4 9YG
Lawful Development Certificate (Proposed): Loft conversion and rear dormer window
19/00625/LAWPRO
2018 Approved
18 Mulberry Close Southborough Royal Tunbridge Wells Kent TN4 9XR
Outbuilding to end of rear garden on existing decking
18/03404/FULL
2018 Approved
18 Mulberry Close Southborough Royal Tunbridge Wells Kent TN4 9XR
Outbuilding to end of rear garden on existing decking
18/03404/FULL
2018 Approved
18 Alder Close Southborough Royal Tunbridge Wells Kent TN4 9YE
Prior notification for a proposed single-storey rear extension which: A) Extends by 4.0 m…
18/02869/PNEXT
2018 Approved
18 Alder Close Southborough Royal Tunbridge Wells Kent TN4 9YE
Prior notification for a proposed single-storey rear extension which: A) Extends by 4.0 m…
18/02869/PNEXT
2018 Approved
5 Alder Close Southborough Tunbridge Wells Kent TN4 9YE
Two storey and single storey rear extension
18/01491/FULL
2018 Approved
5 Alder Close Southborough Tunbridge Wells Kent TN4 9YE
Two storey and single storey rear extension
18/01491/FULL
2018 Approved
3 Alder Close Southborough Tunbridge Wells Kent TN4 9YE
Two storey rear extension
18/01490/FULL
2018 Approved
3 Alder Close Southborough Tunbridge Wells Kent TN4 9YE
Two storey rear extension
18/01490/FULL
2017 Approved
1 Alder Close Southborough Royal Tunbridge Wells Kent TN4 9YE
Single storey side extension with pitched roof
17/01047/FULL
Tunbridge Wells
Planning Authority Score
8.7/10
Excellent
#13 of 296 councils
Relevant to this application:
Householder decisions

Tunbridge Wells is one of the fastest councils in England for householder decisions, ranking #26 out of 296. Only 25% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (96%) than the national average (90%).

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Tunbridge Wells decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #69 of 296
96%
Householder approved
Above avg (90%) #63 of 296
84%
Decided in 8 weeks
Above avg (63%) #26 of 296
25%
Extended time limit
Below avg (41%) #32 of 296
85%
Minor dwellings approved
150 decided (1-9 homes)
82%
Major dwellings approved
11 decided (10+ homes)
96%
Change of use approved
47 decided
1,178
Total decisions
83 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings