33 Underlane Plympton Plymouth PL7 1QX Data via plota.co.uk

26/00434/FUL - Full Application Approved

Proposal

Loft conversion with new rear dormer and ground floor rear extension Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
23 Mar 2026
✓
Validated
13 Apr 2026
✓
Approved
9 Jul 2026

Approved on 9 Jul 2026 · Delegated Decision · Last checked 8 Sept 2026

Documents 22

All documents on the council site ↗

Associated applications 2

Site constraints 3

Also on the record
Radon affected area, class 4; Registered park or garden 242 m away: Saltram House; Inside the Plymouth built-up area.
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, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 3

Last sold for £159,950 in June 2012. Semi-detached house, freehold.

22 June 2012£159,950
22 October 2004£162,250
30 April 2002£79,000

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

Building

Floor area92 m² (990 sq ft)
Energy ratingD (58 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in April 2024, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

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

About Plota's data service

Important details

Council
Plymouth
Application type
Full Application
Postcode
PL7 1QX
Received
23 Mar 2026
Validated
13 Apr 2026
Ward
PLYMPTON ERLE
Case officer
Show
Target decision
10 Jul 2026
Decision
Grant Conditionally
Decision date
9 Jul 2026
Decision level
Delegated Decision
Applicant
Show
Agent
DWB Architectural Design Ltd

How this decision compares

Decided in 87 days from validation, 34 days slower than Plymouth's median of 53 for extensions. Approved, as 97% of extensions here are.

77%decided within 8 weeks
97%approved
385decided in the last year

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

Public comments

No public comments yet.

Last counted 8 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
8 Jun 2026
Env. assessment
No
Plymouth
Planning Authority Score
7/10
Good
#63 of 296 councils
Relevant to this application:
Householder decisions

Plymouth is faster than most councils at deciding householder applications, ranking #86 out of 296. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Plymouth decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #64 of 296
94%
Householder approved
Above avg (90%) #114 of 296
74%
Decided in 8 weeks
Above avg (63%) #86 of 296
32%
Extended time limit
Below avg (41%) #67 of 296
88%
Minor dwellings approved
48 decided (1-9 homes)
100%
Major dwellings approved
8 decided (10+ homes)
87%
Change of use approved
46 decided
680
Total decisions
50 refused in the year to March 2026

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.