Skip to content
PlanIndex Get alerts
Menu

Planning application

9 Trewenna Drive Potters Bar Hertfordshire EN6 5JW

Granted Hertsmere 21/1215/HSE Householder Application

Works: Windows or glazing 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

Conversion of garage to habitable room with change from garage door to window.

As published by the council, reference 21/1215/HSE

Application record

Reference
21/1215/HSE
Type
Householder Application
Status
Decided
Decision
Granted As published: Grant Permission
Received
8 Jun 2021
Validated
8 Jun 2021
Decided
3 Aug 2021
Ward
Potters Bar Oakmere
Parish
No Parish
Decision by
Delegated Decision
Postcode
EN6 5JW

Timeline

Dates from the published record

  1. 8 Jun 2021

    Received by Hertsmere

  2. 3 Aug 2021

    Decision issued: Grant Permission

  3. 30 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Arc Interior Design Ltd. Agent, a design practice registered in London

Active · incorporated 2019 · London

3 applications on PlanIndex · across 2 councils

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

See their track record

Documents

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

9 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Hertsmere granted permission on 3 August 2021, 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

  • 2 Chace Avenue Potters Bar Hertfordshire EN6 5LU

    TPO/2008/807 Submitted 7 Apr 2008 58m away

    OAK - Crown reduce by 30% and reduce tree canopy to allow 5m clearance from house roof

    Granted Trees

  • 5 Chace Avenue Potters Bar Hertfordshire EN6 5LU

    23/0484/CLP Submitted 29 Mar 2023 99m away

    Single storey side extension following demolition of garage. Certificate of Lawful Development (Proposed).

    Granted Lawful development Extension Demolition 4 docs
    Small domestic

  • 67 Cotton Road Potters Bar Hertfordshire EN6 5JJ

    26/0698/FUL Submitted 21 May 2026 99m away

    Change of use from a 6 occupant HMO (use class C4) to a house of multiple occupancy for 7 occupants (HMO - Sui Generis), front boundary works to include dropped kerb, vehicular hardstanding and bin and bike storage.

    Decided Full applications 11 docs

  • 50 Cotton Road Potters Bar Hertfordshire EN6 5JH

    23/0076/HSE Submitted 17 Jan 2023 110m away

    Single storey side extension.

    Granted Householder Extension 6 docs
    Small domestic

  • 50 Cotton Road Potters Bar Hertfordshire EN6 5JH

    23/0075/CLP Submitted 17 Jan 2023 110m away

    Conversion of loft to form habitable space with hip to gable roof alterations to include rear dormer and 3 x front roof lights. Certificate of Lawful Development (Proposed).

    Granted Lawful development Loft or dormer Roofing 7 docs

  • 50 Cotton Road Potters Bar Hertfordshire EN6 5JH

    22/2139/CLP Submitted 22 Dec 2022 110m away

    Single storey side extension and conversion of loft to form habitable space including hip to gable roof alterations, rear dormer and 3 roof lights to front. Certificate of Lawful Development (Proposed).

    Withdrawn Lawful development Extension Loft or dormer +1 4 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).

    Received 9 Feb, published by the council 24 Jul 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.

    Received 13 May, published by the council 24 Jul 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.

    Received 7 Jul, published by the council 24 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.

    Received 26 Jun, published by the council 24 Jul 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.

    Received 17 Jul, published by the council 24 Jul 2026 Householder