198 Riverside Road St Albans Hertfordshire AL1 1SF Data via plota.co.uk

5/2025/2365 - Householder Approved

Proposal

Mini lead clad dormer to rear roof slope and installation of 2no. conservation rooflights in front roof slope, single storey rear extension and garden outbuilding Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
29 Dec 2025
✓
Validated
27 Jan 2026
✓
Approved
19 May 2026

Approved on 19 May 2026 · Delegated Decision · Last checked 10 Nov 2026

Site constraints 9

St Albans - Alma Road and Priory Park conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Local nature reserve 22 m away: Watercress Wildlife Site
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.
Scheduled monument 102 m away: The Benedictine Priory of St Mary (Sopwell Priory) and the post-medieval mansions known as Sopwell House or Lee Hall
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Historic England ↗
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
Radon affected area, class 3; 1 listed building within 150 m; Inside the St Albans built-up area; Green belt 22 m away: London; Priority habitat 23 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3

Checked on 2 November 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 1

Last sold for £550,000 in February 2025. Terraced house, freehold.

21 February 2025£550,000

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

Building

Floor area66 m² (710 sq ft)
Energy ratingD (66 out of 100), could reach B
PropertyMid-terrace house, 4 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2024, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
St Albans
Application type
Householder
Postcode
AL1 1SF
Received
29 Dec 2025
Validated
27 Jan 2026
Ward
Sopwell
Case officer
Show
Target decision
19 May 2026
Decision
Approved with Conditions
Decision date
19 May 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Above Studio

How this decision compares

Decided in 112 days from validation, 33 days slower than St Albans's median of 79 for extensions. Approved, as 86% of extensions here are.

29%decided within 8 weeks
86%approved
752decided in the last year

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

Public comments

No public comments yet.

6 neighbours consulted · Last counted 10 Nov 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
319055PLN
Planning Portal ref
14592244
Comments by
28 Feb 2026
Site or press notice
5 Feb 2026
Statutory expiry
23 Mar 2026
Env. assessment
No
St Albans
Planning Authority Score
1.1/10
Poor
#290 of 296 councils
Relevant to this application:
Householder decisions

St Albans is one of the slowest councils in England for householder decisions, ranking #285 out of 296. The council extends the time limit on 64% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

Among the slowest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
St Albans decision statistics
Based on MHCLG data, the year to March 2026
87%
Overall approval rate
Above avg (87%) #180 of 296
88%
Householder approved
Below avg (90%) #226 of 296
29%
Decided in 8 weeks
Below avg (63%) #285 of 296
64%
Extended time limit
Above avg (41%) #278 of 296
74%
Minor dwellings approved
130 decided (1-9 homes)
61%
Major dwellings approved
18 decided (10+ homes)
77%
Change of use approved
26 decided
1,411
Total decisions
184 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.