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Planning application

31 Collett Road Hemel Hempstead Hertfordshire HP1 1HY

Awaiting decision Dacorum 26/01245/LDP Lawful Development Certificate Proposed

Works: Extension Loft or dormer Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Loft conversion with rear dormer, single storey rear extension

As published by the council, reference 26/01245/LDP

Application record

Reference
26/01245/LDP
Type
Lawful Development Certificate Proposed
Status
With planning case officer
Received
3 Jun 2026
Validated
3 Jun 2026
Ward
Boxmoor
Parish
Hemel Hempstead (No Parish)
Postcode
HP1 1HY

Site history

Applications at this address on the Dacorum register

This site has had 4 applications since 2021: 3 approved, 0 refused.

  • 26/01503/HPA Granted

    31 Collett Road Hemel Hempstead Hertfordshire HP1 1HY

    Single storey rear extension measuring 6m deep with a maximum ridge height of 3m and maximum eaves height of 3m

    Decided 4 Sep 2026 Prior approval
  • 26/01244/HPA Granted

    31 Collett Road Hemel Hempstead Hertfordshire HP1 1HY

    2 no. single storey rear extensions measuring 6.00 m deep with a maximum ridge height of 3.00 metres and a maximum eaves height of 3.00 metres

    Decided 31 Jul 2026 Prior approval
  • 21/02277/HPA Granted

    31 Collett Road Hemel Hempstead Hertfordshire HP1 1HY

    Single storey rear extension measuring 5.86m deep with a maximum height of 3.15m and a maximum eaves height of 3m.

    Decided 2 Jul 2021 Prior approval

Timeline

Dates from the published record

  1. 3 Jun 2026

    Received by Dacorum

  2. 23 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 29 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Dacorum took a median of 52 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Dimensions- Planning&Architecture Agent, an architecture practice

279 applications on PlanIndex · across 23 councils · 65% granted

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Documents

Plans, drawings, consultee responses and the officer's report

3 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

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What happens while it is decided

This application is with Dacorum for determination, against a statutory target of eight weeks. Over the last year Dacorum decided lawful development applications in a median of 50 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 500 metres

In Dacorum

  • 26/01963/LDP Awaiting decision

    Flint House Roe End Lane Markyate Hertfordshire AL3 8AG

    Outbuilding for use as a home gym, games room and home business (skin care treatment) and outdoor swimming pool

    9 Sep 2026 Lawful development
  • 26/01588/LDP Granted

    6 Greene Walk Berkhamsted Hertfordshire HP4 2LW

    Garage conversion into playroom. Hip to gable loft conversion with rear flat roof dormer.

    21 Jul 2026 Lawful development
  • 26/01925/LDP Awaiting decision

    Daymar London Road Hemel Hempstead Hertfordshire HP1 2RE

    2no. side extensions

    4 Sep 2026 Lawful development
  • 26/01926/LDP Awaiting decision

    Daymar London Road Hemel Hempstead Hertfordshire HP1 2RE

    Partial hip to gable loft conversion with rear dormer, single storey rear extension

    4 Sep 2026 Lawful development
  • 26/01609/LDP Refused

    33 Highfield Road Wigginton Tring Hertfordshire HP23 6EB

    Construction of rear dormer and front velux for purposes of loft conversion

    22 Jul 2026 Lawful development