16 Ridgeway Close Hemel Hempstead Hertfordshire HP3 9TB Data via plota.co.uk

26/01984/FUL - Full Planning Permission With planning case officer

Proposal

Part two storey part single storey rear and side extension including hip to gable loft conversion with rear dormer to facilitate a Change of use from Class C3 to Sui Generis (7-Person HMO), with external alterations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
10 Sept 2026
✓
Consultation
16 Sept 2026
Decision
Expected by 5 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 5 Nov 2026, from Dacorum's recent changes of use.

Comments are open until 14 Oct 2026

Comment on this application ↗

Documents 24

Plans & drawings 23

PDF Location plan Site Location Plan · 15 Sept 2026 View ↗ PDF Existing ground floor plan Existing Floor Plans · 15 Sept 2026 View ↗ PDF Existing first floor plan Existing Floor Plans · 15 Sept 2026 View ↗ PDF Existing loft floor plan Existing Floor Plans · 15 Sept 2026 View ↗ PDF Existing roof plan Roof Plan · 15 Sept 2026 View ↗ PDF Existing front elevation Existing Elevations · 15 Sept 2026 View ↗ PDF Existing rear elevation Existing Elevations · 15 Sept 2026 View ↗ PDF Existing side 1 elevation Existing Elevations · 15 Sept 2026 View ↗ PDF Existing side 2 elevation Existing Elevations · 15 Sept 2026 View ↗ PDF Existing section aa Section Plans · 15 Sept 2026 View ↗ PDF Existing section bb Section Plans · 15 Sept 2026 View ↗ PDF Proposed section bb Section Plans · 15 Sept 2026 View ↗ PDF Proposed section aa Section Plans · 15 Sept 2026 View ↗ PDF Existing and proposed block plans Block Plan of the Site · 15 Sept 2026 View ↗ PDF Proposed block plan Block Plan of the Site · 15 Sept 2026 View ↗ PDF Proposed ground floor plan Proposed Floor Plans · 15 Sept 2026 View ↗ PDF Proposed first floor plan Proposed Floor Plans · 15 Sept 2026 View ↗ PDF Proposed loft floor plan Proposed Floor Plans · 15 Sept 2026 View ↗ PDF Proposed roof plan Proposed Roof Plans · 15 Sept 2026 View ↗ PDF Proposed front elevation Proposed Elevations · 15 Sept 2026 View ↗ PDF Proposed rear elevation Proposed Elevations · 15 Sept 2026 View ↗ PDF Proposed side 1 elevation Proposed Elevations · 15 Sept 2026 View ↗ PDF Proposed side 2 elevation Proposed Elevations · 15 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 5

Also on the record
Radon affected area, class 4; Inside the Hemel Hempstead built-up area; Green belt 18 m away: London; Priority habitat 44 m away: Good quality semi improved grassland; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument 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.

Building

Floor area91 m² (980 sq ft)
Energy ratingD (63 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Dacorum
Application type
Full Planning Permission
Postcode
HP3 9TB
Received
10 Sept 2026
Validated
10 Sept 2026
Ward
Kings Langley
Parish
Kings Langley Parish Council
Case officer
Show
Applicant
Show
Agent
Dimensions- Planning&Architecture

Decision outlook

Day 29 of the 56-day target. Dacorum usually decides changes of use by day 56.

Day 2927 days to the 56-day target
59%decided within 8 weeks
78%approved
12%go to committee

Plota live figures for changes of use decided by Dacorum in the last twelve months, from validation. Dacorum decision record →

Public comments

14comments received
14 objecting

100% object · above the UK average of 74%

4 neighbours consulted · Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15212457
Planning Portal ref
PP-15212457
Neighbours
16 Sept 2026
Consultation
16 Sept 2026
Comments by
14 Oct 2026
Site or press notice
23 Sept 2026
Env. assessment
No
Dacorum
Planning Authority Score
7.3/10
Good
#51 of 296 councils
Relevant to this application:
Change of use

Dacorum is faster than most councils at deciding householder applications, ranking #50 out of 296. Only 22% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) 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
Dacorum decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #150 of 296
91%
Householder approved
Above avg (90%) #171 of 296
78%
Decided in 8 weeks
Above avg (63%) #50 of 296
22%
Extended time limit
Below avg (41%) #22 of 296
76%
Minor dwellings approved
127 decided (1-9 homes)
79%
Major dwellings approved
14 decided (10+ homes)
71%
Change of use approved
21 decided
1,130
Total decisions
132 refused in the year to March 2026

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.