15 Miley Close Harpenden Hertfordshire AL5 3DS Data via plota.co.uk

5/2026/1628 - PPOR Pending Consideration

Proposal

Single storey rear extension Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
3 Sept 2026
✓
Validated
4 Sept 2026
✓
Consultation
25 Sept 2026
Decision
Expected by 29 Oct 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 13 Nov 2026 and 3 Dec 2026, from St Albans's recent extensions.

Comments are open until 12 Nov 2026

Comment on this application ↗

Site constraints 4

Habitat network: Network Expansion Zone
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; Inside the Harpenden built-up area; Green belt about 51 m away: London.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 2

Last sold for £1,285,000 in November 2022. Detached house, freehold.

3 November 2022£1,285,000
28 November 2014£960,000New build

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

Building

Floor area209 m² (2,250 sq ft)
Energy ratingB (85 out of 100)
PropertyDetached house
Built2014
HeatingBoiler and radiators, mains gas
WallsAverage thermal transmittance 0.24 W/m²K

From the energy performance certificate lodged in November 2014, 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
PPOR
Postcode
AL5 3DS
Received
3 Sept 2026
Validated
4 Sept 2026
Ward
Harpenden North & Rural
Parish
HARPENDEN TOWN
Case officer
Show
Target decision
29 Oct 2026
Applicant
Show

Decision outlook

Day 54 of the 56-day target. St Albans usually decides extensions by day 77.

Day 5423 days to the predicted decision (day 77)
30%decided within 8 weeks
85%approved
717decided 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.

4 neighbours consulted · Last counted 26 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
323606PLN
Planning Portal ref
15166157
Neighbours
25 Sept 2026
Consultation
25 Sept 2026
Comments by
12 Nov 2026
Site or press notice
1 Oct 2026
Statutory expiry
29 Oct 2026
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.

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.