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Planning application

73 Gills Hill Lane Radlett Hertfordshire WD7 8PD

Granted Hertsmere 24/1347/CLP Certificate Proposed Lawful Use/Dev

Works: Extension Loft or dormer Roofing Demolition Windows or glazing Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Demolition of existing side garage followed by construction of single storey side and rear extensions, and front porch. Conversion of loft to habitable space with associated hip to gable roof alterations, rear dormer, insertion of 2x front rooflights and 2x windows to side elevation at loft level. Raised patio and alterations to side fences. Certificate of Lawful Development (Proposed).

As published by the council, reference 24/1347/CLP

Application record

Reference
24/1347/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Granted As published: Grant Lawful Certificate (Proposed Dev)
Received
17 Oct 2024
Validated
17 Oct 2024
Decided
12 Dec 2024
Ward
Aldenham West
Parish
Aldenham Parish
Decision by
Delegated Decision
Postcode
WD7 8PD

Site history

Applications at this address on the Hertsmere register

This site has had 2 applications since 2024: 2 approved, 0 refused.

  • 24/1346/HSE Granted

    73 Gills Hill Lane Radlett Hertfordshire WD7 8PD

    Demolition of existing garage, WC and utility to facilitate construction of single storey front, side and rear wraparound extension with insertion of 1x rooflight to rear and new raised rear patio. Construction of new side access.

    Decided 13 Dec 2024 Householder

Timeline

Dates from the published record

  1. 17 Oct 2024

    Received by Hertsmere

  2. 12 Dec 2024

    Decision issued: Grant Lawful Certificate (Proposed Dev)

  3. 5 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Simon Miller Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2005 · London

30 applications on PlanIndex · across 4 councils · 92% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

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Documents

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

25 documents on file for this application

  • Decision notice Decision · 12 Dec 2024
  • Delegated report Delegated Report · 12 Dec 2024
  • Applicationformredacted Application Form · 17 Oct 2024
  • Existing site plan and section a-a Drawing/Plans · 17 Oct 2024
  • Existing ground floor plan Drawing/Plans · 17 Oct 2024
  • Existing first floor plan Drawing/Plans · 17 Oct 2024
  • Existing loft floor plan Drawing/Plans · 17 Oct 2024
  • Existing roof plan Drawing/Plans · 17 Oct 2024
  • Existing front elevation Drawing/Plans · 17 Oct 2024
  • Existing rear elevation Drawing/Plans · 17 Oct 2024
  • Existing side elevation Drawing/Plans · 17 Oct 2024
  • Existing section a-a Drawing/Plans · 17 Oct 2024
  • Existing section b-b Drawing/Plans · 17 Oct 2024
  • Existing os map Drawing/Plans · 17 Oct 2024
  • Photosheet 01 Photo · 17 Oct 2024
  • Proposed site plan Drawing/Plans · 17 Oct 2024
  • Proposed ground floor plan Drawing/Plans · 17 Oct 2024
  • Proposed first floor plan Drawing/Plans · 17 Oct 2024
  • Proposed loft floor plan Drawing/Plans · 17 Oct 2024
  • Proposed roof plan Drawing/Plans · 17 Oct 2024
  • Proposed front elevation Drawing/Plans · 17 Oct 2024
  • Proposed loft volume calcutations Drawing/Plans · 17 Oct 2024
  • Master issued sheet Supporting Documents · 17 Oct 2024
  • Proposed rear elevation Drawing/Plans · 17 Oct 2024
  • Proposed side elevation Drawing/Plans · 17 Oct 2024

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What this grant of permission means

Hertsmere granted permission on 12 December 2024, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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 0.3 miles

  • 73 Gills Hill Lane Radlett Hertfordshire WD7 8PD

    24/1346/HSE Submitted 17 Oct 2024 50 yards away

    Demolition of existing garage, WC and utility to facilitate construction of single storey front, side and rear wraparound extension with insertion of 1x rooflight to rear and new raised rear patio. Construction of new side access.

    Granted Householder Extension Loft or dormer +1 26 docs
    Small domestic
  • 19 Cragg Avenue Radlett Hertfordshire WD7 8DW

    23/0049/HSE Submitted 11 Jan 2023 50 yards away

    Construction of single storey side and rear extension and front porch extension.

    Granted Householder Extension 12 docs
    Small domestic
  • 17 Cragg Avenue Radlett Hertfordshire WD7 8DW

    19/1678/HSE Submitted 21 Oct 2019 50 yards away

    Construction of two storey side extension, part single part two storey rear extension, new front porch and conversion of loft to habitable room to include side and rear dormers and insertion of roof lights.

    Granted Householder Extension Loft or dormer 6 docs
    Small domestic
  • 65 Gills Hill Lane Radlett Hertfordshire WD7 8PD

    26/0709/HSE Submitted 22 May 2026 50 yards away

    Construction of two storey front and side extensions, single storey rear extension, and conversion of loft to habitable space with associated hip to gable roof alterations, removal of chimney stack, addition of rear dormer and insertion of front and rear rooflights.

    Decided Householder Extension Loft or dormer +1 18 docs
    Small domestic
  • 61 Gills Hill Lane Radlett Hertfordshire WD7 8DG

    26/1094/HSE Submitted 4 Aug 2026 50 yards away

    92% historically approved · decision due ~12 Oct

    Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer and insertion of 4x front roof lights; single storey rear extension; front porch extension.

    Awaiting decision Householder Extension Loft or dormer +1 12 docs
    Small domestic
  • 89 Gills Hill Lane Radlett Hertfordshire WD7 8PD

    23/0184/HSE Submitted 2 Feb 2023 50 yards away

    Part single, part two storey front, side and rear extensions with integral garage following removal of side extension. Conversion of loft to habitable room with hip to gable roof alterations, rear dormer with Juliet balcony, and front roof light, and construction of outbuilding to rear garden.

    Refused Householder Extension Loft or dormer +1 12 docs
    Small domestic

In Hertsmere

  • 26/1516/CLP Awaiting decision

    83 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DR

    Conversion of loft to habitable space with side and rear dormer; single storey rear extension. Certificate of Lawful Development (Proposed).

    Received 20 Oct, published by the council 23 Oct 2026 Lawful development
  • 26/1156/CLP Decided

    30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

    Single storey rear extension. Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer. Certificate of Lawful Development (Proposed).

    Received 12 Aug, published by the council 25 Aug 2026 Lawful development
  • 26/1507/CLP Awaiting decision

    30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

    Single storey rear extension and conversion of loft to habitable space including hip to gable roof alterations, rear dormer, and 4x roof lights. Certificate of lawful development (Proposed).

    Received 19 Oct, published by the council 22 Oct 2026 Lawful development
  • 26/1494/CLP Awaiting decision

    32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN

    Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).

    Received 16 Oct, published by the council 21 Oct 2026 Lawful development
  • 26/1489/CLP Awaiting decision

    6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA

    Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).

    Received 15 Oct, published by the council 20 Oct 2026 Lawful development