18 Lyne Way Hemel Hempstead Hertfordshire HP1 3PL Data via plota.co.uk

26/01812/LDP - Lawful Development Certificate Proposed With planning case officer

Proposal

Loft conversion with rear dormer extension featuring Juliet balcony & casement window. Installation of 3 No. roof windows in front roof slope. Data via plota.co.uk

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Application progress

✓

Received

19 Aug 2026

Decision

Awaiting decision

This application is under consideration - no decision has been issued yet.

Documents 8

Plans & drawings 7

PDF Proposed elevations Proposed Elevations · 18 Aug 2026 View ↗ PDF Existing elevations Existing Elevations · 18 Aug 2026 View ↗ PDF Existing ground floor plans Existing Floor Plans · 18 Aug 2026 View ↗ PDF Location and block plan Location Plan · 18 Aug 2026 View ↗ PDF Proposed first floor plans Proposed Floor Plans · 18 Aug 2026 View ↗ PDF Existing first floor plans Existing Floor Plans · 18 Aug 2026 View ↗ PDF Proposed second floor plans Proposed Second-Floor Plan · 18 Aug 2026 View ↗

Application forms 1

PDF Applicationformredacted Application Form Redacted · 18 Aug 2026 View ↗

All documents on the council site ↗

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Important details

Council: Dacorum
Application type: Lawful Development Certificate Proposed
Postcode: HP1 3PL
Received: 19 Aug 2026
Validated: 19 Aug 2026
Ward: Chaulden And Warners End
Parish: Hemel Hempstead (No Parish)
Applicant: Show
Agent: StudioCBD

Public comments

No public comments yet.

Last counted 20 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference: PP-15164597
Env. assessment: No

Dacorum

Planning Authority Score

7.3/10

Good

#51 of 296 councils

Relevant to this application:

Householder decisions

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 performance

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