22 Lower Mortimer Road Southampton SO19 2HF Data via plota.co.uk

26/00934/PLDC - Lawful Devt Certificate Proposed Use Approved

Proposal

Application for a lawful development certificate for a proposed loft conversion with roof alterations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
18 Aug 2026
✓
Approved
1 Oct 2026

Approved on 1 Oct 2026 · Delegated Decision · Last checked 2 Oct 2026

Site constraints 4

Nutrient neutrality catchment: Solent: Includes Chichester and Langstone Harbours SPA/Ramsar, Solent and Southampton Water SPA/Ramsar, Solent Maritime SAC, Portsmouth Harbour SPA/Ramsar
New homes and overnight accommodation must show nutrient neutrality before approval.
Natural England advice: extra wastewater in these catchments harms protected habitats, so schemes must offset their nutrient load, usually through credits.
Article 4 direction
HMO. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Local nature reserve 173 m away: Peartree Green
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.
Also on the record
Inside the Southampton 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 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 1

Last sold for £170,000 in March 2015. Semi-detached house, freehold.

13 March 2015£170,000

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

Building

Floor area90 m² (969 sq ft)
Energy ratingE (41 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2014, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Lawful Devt Certificate Proposed Use
Postcode
SO19 2HF
Received
18 Aug 2026
Validated
18 Aug 2026
Ward
Peartree
Case officer
Show
Target decision
13 Oct 2026
Decision
Grant (LDC)
Decision date
1 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Signature Design Architecture Ltd

How this decision compares

Decided in 44 days from validation, 10 days faster than Southampton's median of 54 for extensions. Approved, as 97% of extensions here are.

80%decided within 8 weeks
97%approved
300decided in the last year

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

Public comments

No public comments yet.

Last counted 2 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
39038
Statutory expiry
13 Oct 2026
Env. assessment
No
Southampton
Planning Authority Score
5/10
Average
#150 of 296 councils
Relevant to this application:
Householder decisions

Southampton ranks #158 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Southampton decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #117 of 296
93%
Householder approved
Above avg (90%) #137 of 296
63%
Decided in 8 weeks
Above avg (63%) #158 of 296
40%
Extended time limit
Below avg (41%) #154 of 296
70%
Minor dwellings approved
50 decided (1-9 homes)
100%
Major dwellings approved
8 decided (10+ homes)
86%
Change of use approved
109 decided
742
Total decisions
72 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.