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Planning application

Tall Timbers 9 The Avenue Radlett Hertfordshire WD7 7DG

Granted Hertsmere 24/1443/HSE Householder Application

Works: Extension Demolition 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 2x rear conservatories and erection of replacement rear extensions including solar panels on roof, erection of staircase to side of garage and air conditioning units to side elevations.

As published by the council, reference 24/1443/HSE

Application record

Reference
24/1443/HSE
Type
Householder Application
Status
Decided
Decision
Grant Permission
Received
11 Nov 2024
Validated
14 Nov 2024
Decided
8 Jan 2025
Ward
Aldenham East
Parish
Aldenham Parish
Decision by
Delegated Decision
Postcode
WD7 7DG

Site history

Applications at this address on the Hertsmere register

This site has had 2 applications since 2021: 2 approved, 0 refused.

  • 21/1273/TPO Granted

    Tall Timbers 9 The Avenue Radlett Hertfordshire WD7 7DG

    T2 CYPRESS (WESTERN RED CEDAR.) Fell.

    Decided 26 Aug 2021 Trees

Timeline

Dates from the published record

  1. 11 Nov 2024

    Received by Hertsmere

  2. 14 Nov 2024

    Validated

    Checked as complete and ready for consideration.

  3. 8 Jan 2025

    Decision issued: Grant Permission

  4. 19 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Steene Associates (Architects) Ltd Agent, an architecture practice registered in Harrow

Active · incorporated 1994 · Harrow

45 applications on PlanIndex · 94% granted

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Documents

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

11 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.

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What this grant of permission means

Hertsmere granted permission on 8 January 2025, 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 5 The Avenue Radlett Hertfordshire WD7 7DG

    24/0662/TPO Submitted 20 May 2024 40m away

    T37 CYPRESS, T38 CYPRESS and T39 CEDAR. Fell all 3no trees. Tree report attached. Replant a single native tree just to the SE of T37. The preferred replacement tree is a Prunus Avium 'Plena', the sterile cultivar of the native Double White Cherry. Other native tree species could also be considered.

    Granted Trees 13 docs

  • Tall Timbers 9 The Avenue Radlett Hertfordshire WD7 7DG

    21/1273/TPO Submitted 16 Jun 2021 40m away

    T2 CYPRESS (WESTERN RED CEDAR.) Fell.

    Granted Trees 5 docs

  • Tyndalls The Avenue Radlett Hertfordshire WD7 7DG

    21/1645/CLP Submitted 10 Aug 2021 81m away

    Conversion of loft to habitable room with 3 rear dormers to rear and 1 to front. Certificate of lawfulness (Proposed).

    Withdrawn Lawful development Loft or dormer 5 docs

  • 2 Cary Walk Radlett Hertfordshire WD7 8AP

    21/1121/TPO Submitted 25 May 2021 100m away

    T1 OAK. Crown reduce in height by 1.5-2m. and side branches by 1.5-2m. The tree will be left at 17-18m in height

    Refused Trees 8 docs

  • Avenue Lodge The Avenue Radlett Hertfordshire WD7 7DG

    21/0281/HSE Submitted 10 Feb 2021 102m away

    Erection of a single-storey front extension; two storey side and two storey rear extension; conversion of the loft space to create 2 habitable rooms with 2 rear dormers; removal of a catslide roof to the front and replacement with a front gable (revised application 14/2039/HSE).

    Refused Householder Extension Loft or dormer 11 docs
    Small domestic

  • Longwood 4 The Warren Radlett Hertfordshire WD7 7DX

    21/1315/HSE Submitted 22 Jun 2021 106m away

    Single storey rear extension.

    Granted Householder Extension 10 docs
    Small domestic

In Hertsmere

  • 26/0157/HSE Decided

    8 The Drive Radlett Hertfordshire WD7 7DA

    Demolition of existing garage; construction of part single, part two storey side and rear extensions and front porch; alterations to levels and hard landscaping to front and rear; alterations to fenestration. (ADDITIONAL DOCUMENT RECEIVED: 18/08/2026 - Tree Report and Tree Protection Plan & secondary dropped kerb removed).

    9 Feb 2026 Householder
  • 26/0653/HSE Decided

    45 Highview Gardens Potters Bar Hertfordshire EN6 5PN

    Construction of part single, part two storey side and rear extension with associated roof works.

    13 May 2026 Householder
  • 26/0928/HSE Decided

    5 Dellfield Close Radlett Hertfordshire WD7 8LS

    Construction of two storey side and part single part two storey rear extension. Erection of detached double garage with ancillary utility space following the demolition of the existing garage. Conversion of loft to habitable room to include roof alterations and front, side and rear roof lights. Front porch extension.

    7 Jul 2026 Householder
  • 26/0885/HSE Granted

    89 Hatfield Road Potters Bar Hertfordshire EN6 1HZ

    Demolition of existing detached garage and construction of part single, part two storey front, side and rear extension.

    26 Jun 2026 Householder
  • 26/0985/HSE Decided

    3 Bentley Place Bentley Heath Barnet Hertfordshire EN5 4BF

    Part single, part two-storey rear extension, 2x new rear dormers, conversion of existing garage into habitable room, and alterations to fenestration.

    17 Jul 2026 Householder