18 Balfour Road, Wimbledon, Merton, SW19 1JU Data via plota.co.uk

26/FULL/0935 - Full Planning Permission Approved
Extensions & alterations

Proposal

Erection of l-shaped rear roof mansard extension with the addition of three rooflights to the front slope. Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
13 May 2026
✓
Approved
30 Jun 2026

Approved on 30 Jun 2026 · Delegated · Last checked 1 Oct 2026

Documents 20

Decision & officer reports 1

PDF Decision Notice - Full Planning - Approve General Correspondence · 30 Jun 2026 View ↗

Statements & assessments 2

PDF PLANNING FIRE SAFETY STATEMENT.pdf Document · 21 May 2026 View ↗ PDF DESIGN AND ACCESS STATEMENT.pdf Document · 21 May 2026 View ↗

Plans & drawings 13

PDF EXISTING AND PROPOSED SITE-BLOCK PLANS.pdf Document · 21 May 2026 View ↗ PDF EXISTING AND PROPOSED SECTION.pdf Document · 21 May 2026 View ↗ PDF PROPOSED LOFT FLOOR PLAN.pdf Document · 21 May 2026 View ↗ PDF PROPOSED ELEVATIONS.pdf Document · 21 May 2026 View ↗ PDF PROPOSED ROOFTOP PLAN.pdf Document · 21 May 2026 View ↗ PDF PROPOSED GROUND FLOOR PLAN.pdf Document · 21 May 2026 View ↗ PDF EXISTING ELEVATIONS.pdf Document · 21 May 2026 View ↗ PDF PROPOSED FIRST FLOOR PLAN.pdf Document · 21 May 2026 View ↗ PDF EXISTING GROUND FLOOR PLAN.pdf Document · 21 May 2026 View ↗ PDF EXISTING FIRST FLOOR PLAN.pdf Document · 21 May 2026 View ↗ PDF EXISTING ROOFTOP PLAN.pdf Document · 21 May 2026 View ↗ PDF EXISTING LOFT FLOOR PLAN.pdf Document · 21 May 2026 View ↗ PDF LocationPlan.pdf Document · 21 May 2026 View ↗

Other documents 4

PDF FRA.pdf Document · 21 May 2026 View ↗ PDF SITE PHOTOS.pdf Document · 21 May 2026 View ↗ PDF CIL_FORM.pdf Document · 21 May 2026 View ↗ PDF ApplicationFormRedacted.pdf Document · 21 May 2026 View ↗

All documents on the council site ↗

Site constraints 4

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
Local nature reserve 394 m away: Merton Park Green Walks; Inside the Merton built-up area; Public transport access: PTAL 5 (very good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.

Sales history 2

Last sold for £450,000 in April 2026. Flat or maisonette, leasehold.

1 April 2026£450,000
12 September 2005£170,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area78 m² (840 sq ft)
Energy ratingC (70 out of 100)
PropertyMid-terrace maisonette, 3 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2019, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

Every application in Merton - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

6 Oct 2026Pending

16 Balfour Road, Wimbledon, Merton, SW19 1JU

T1. Silver Birch Tree. 14 metres in height. 5 metres in width. Reduce by 3 metre...

26/10/2263

Nearby new applications

13 Oct 2026Pending

47 Melbourne Road, Wimbledon, Merton, SW19 3BB

APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE ERECTION OF A...

26/LDCP/1728
7 Oct 2026Pending

Aorangi Terrace, THE ALL ENGLAND LAWN TENNIS CLUB Church Road, Wimbledon, Merton

APPLICATION FOR DISCHARGE OF CONDITION 8 (LANDSCAPING) ATTACHED TO LBM PLANNING ...

26/DOC/2234
7 Oct 2026Pending

Aorangi Terrace, THE ALL ENGLAND LAWN TENNIS CLUB Church Road, Wimbledon, Merton

APPLICATION FOR DISCHARGE OF CONDITION 4 (CMP REVISED ADDENDUM) ATTACHED TO LBM ...

26/DOC/2233
6 Oct 2026Pending

16 Balfour Road, Wimbledon, Merton, SW19 1JU

T1. Silver Birch Tree. 14 metres in height. 5 metres in width. Reduce by 3 metre...

26/10/2263
5 Oct 2026Pending

25 Winifred Road, Wimbledon, Merton, SW19 3AS

REAR GROUND FLOOR EXTENSION WITH A FLAT ROOF TO CREATE AN OPEN PLAN KITCHEN/DINE...

26/HOUSE/2215
5 Oct 2026Approved

7 Prince's Road, Wimbledon, Merton, SW19 8RQ

TREE SPECIES: BUDDLEJA DAVIDII TREE LOCATION NUMBER: "T1" ON THE SKETCH ATTACHED...

26/TCA/2217

Important details

Council
Merton
Application type
Full Planning Permission
Postcode
SW19 1JU
Received
13 May 2026
Validated
13 May 2026
Ward
Abbey
Case officer
Show
Target decision
8 Jul 2026
Decision
Grant Permission Subject To Conditions
Decision date
30 Jun 2026
Decision level
Delegated
Applicant
Show
Agent
Enliven Solutions Limited

How this decision compares

Decided in 48 days from validation, 10 days faster than Merton's median of 58 for extensions. Approved, as 90% of extensions here are.

48%decided within 8 weeks
90%approved
1,416decided in the last year

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

Consultation & key dates

Statutory expiry
8 Jul 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
35 Kingston Road Wimbledon SW19 1JW
REPLACEMENT OF EXISTING ADVERTISEMENT PANEL WITH 1 X INTERNALLY ILLUMINATED DIGITAL ADVER…
25/P3459
2025 Approved
1B Balfour Road Wimbledon SW19 1JU
APPLICATION FOR A MANSARD ROOF EXTENSION.
25/P2563
2025 Refused
51 Cecil Road South Wimbledon SW19 1JR
INSTALLATION OF AN ELECTRIC VEHICLE HOME CHARGER TO FRONT ELEVATION AND USE OF A PAVEMENT…
25/P2342
2024 Approved
240 Merton Road Wimbledon SW19 1EQ
PART CONVERSION OF GROUND FLOOR OFFICE (USE CLASS B1) TO ONE SELF-CONTAINED FLAT (1 BEDRO…
24/P2855
2024 Approved
240 Merton Road Wimbledon SW19 1EQ
ALTERATIONS TO SHOPFRONT
24/P2856
2024 Approved
2 Cecil Road Wimbledon SW19 1JT
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A…
24/P0726
2023 Approved
1C Balfour Road South Wimbledon London SW19 1EE
ERECTION OF MANSARD ROOF EXTENSION TO EXISITNG OFFICE BUILDING, TOGETHER WITH THE REPLACE…
23/P2090
2023 Approved
25 Balfour Road South Wimbledon London SW19 1JU
ALTERATIONS TO EXISTING REAR EXTENSION AND NEW REAR INFILL EXTENSION.
23/P2748
2023 Approved
25 Balfour Road South Wimbledon London SW19 1JU
ERECTION OF A REAR DORMER ROOF EXTENSION, RAISING THE RIDGE HEIGHT BY 250MM AND INSERTION…
23/P2747
2023 Decided
4 Spencer Hill Wimbledon SW19 4NY
Horse Chestnut - reduce all aspects of the crown back to the previous pruning points. Syc…
23/T3285
2023 Approved
183 Merton Road London SW19 1EE
PROPOSED ALTERATIONS TO FENESTRATION AND INSTALLATION OF NEW ROOFLIGHT.
23/P2468
2023 Approved
187 Merton Road London SW19 1EE
REPLACEMENT SHOPFRONT. REMOVAL OF FRONT CHIMNEY STACK. DEMOLITION OF EXISTING TWO STOREY…
23/P2598
2023 Approved
193 Merton Road Wimbledon SW19 1EE
APPLICATION FOR ADVERTISEMENT CONSENT FOR THE DISPLAY OF A DIGITAL SCREEN CAPABLE OF DISP…
23/P1829
2023 Approved
187 & 187A Merton Road London SW19 1EE
Replacement shopfront. Removal of front chimney stack. Demolition of existing two storey…
23/P1670
2023 Refused
187 Merton Road London SW19 1EE
REPLACEMENT SHOPFRONT. REMOVAL OF FRONT CHIMNEY STACK. THREE STOREY REAR EXTENSION TO FAC…
23/P0554
2023 Refused
187 Merton Road London SW19 1EE
REPLACEMENT SHOPFRONT. REMOVAL OF FRONT CHIMNEY STACK. THREE STOREY REAR EXTENSION TO FAC…
23/P0554/INVALID
2022 Approved
BT Phone Kiosk Kx3272 Outside 238 Merton Road South Wimbledon London SW19
REMOVAL OF EXISTING BT PHONE BOX AND INSTALLATION OF A PROPOSED REPLACEMENT BT STREET HUB…
22/P0947
2022 Approved
BT Phone Kiosk Kx3272 Outside 238 Merton Road South Wimbledon London SW19
APPLICATION FOR ADVERTISEMENT CONSENT FOR THE DISPLAY OF 2 X INTERNALLY ILLUMINATED LCD D…
22/P0946
2023 Approved
4 Cecil Road South Wimbledon London SW19 1JT
sycamore reduce by 4meters
23/T0492
2022 Approved
45 Kingston Road Wimbledon London SW19 1JW
CHANGE OF USE FROM EXISTING BEAUTY & SPA CARE (SUI GENERIS TO COFFEE SHOP (CLASS E) AND R…
22/P3164
2016 Approved
15A Balfour Road South Wimbledon London SW19 1JU
ERECTION OF AN L SHAPED REAR ROOF EXTENSION INCLUDING RAISING THE RIDGE HEIGHT AND INSTAL…
16/P2754
2016 Approved
70 Cecil Road South Wimbledon London SW19 1JP
ERECTION OF A SINGLE STOREY REAR EXTENSION
16/P2167
2016 Approved
70 Cecil Road South Wimbledon London SW19 1JP
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE FOR A REAR ROOF EXTENSION WITH JULIETTE…
16/P2164
2016 Approved
7 Balfour Road South Wimbledon London SW19 1JU
ERECTION OF A REAR ROOF EXTENSION WITH THE INSTALLATION OF 3 X ROOFLIGHTS TO THE FRONT RO…
16/P1649
2016 Approved
86 Cecil Road South Wimbledon London SW19 1JP
ERECTION OF A SINGLE STOREY REAR AND SIDE INFILL EXTENSION
16/P0134
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.