Skip to content
PlanIndex Get alerts
Menu

Planning application

20 Grantham Green Borehamwood Hertfordshire WD6 2JJ

Granted Hertsmere 21/0837/CLP Certificate Proposed Lawful Use/Dev

Works: Loft or dormer

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

Proposal

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

As published by the council, reference 21/0837/CLP

Application record

Reference
21/0837/CLP
Type
Certificate Proposed Lawful Use/Dev
Status
Decided
Decision
Granted As published: Grant Lawful Certificate (Proposed Dev)
Received
19 Apr 2021
Validated
19 Apr 2021
Decided
11 Jun 2021
Ward
Borehamwood Hillside
Parish
Elstree & Borehamwood Town Council
Decision by
Delegated Decision
Postcode
WD6 2JJ

Timeline

Dates from the published record

  1. 19 Apr 2021

    Received by Hertsmere

  2. 11 Jun 2021

    Decision issued: Grant Lawful Certificate (Proposed Dev)

  3. 9 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Resi Ltd Agent

675 applications on PlanIndex · across 76 councils · 91% granted

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

7 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 11 June 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 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

  • 12 Grantham Green Borehamwood Hertfordshire WD6 2JJ

    26/0270/HSE Submitted 2 Mar 2026 50 yards away

    Single storey rear and side extensions, insertion of 1x rear roof light. (Part-retrospective).

    Granted Householder Extension Loft or dormer 11 docs
    Small domestic

  • 54 Dacre Gardens Borehamwood Hertfordshire WD6 2JW

    24/1127/CLP Submitted 3 Sep 2024 50 yards away

    Construction of single storey rear extension. Conversion of loft to habitable space to include hip to gable roof alterations, rear dormer, insertion of 3x front rooflights and removal of chimney stack Certificate of Lawful Development (Proposed).

    Granted Lawful development Extension Loft or dormer +1 11 docs
    Small domestic

  • 57 Grantham Green Borehamwood Hertfordshire WD6 2JQ

    26/0772/CLP Submitted 4 Jun 2026 100 yards away

    Conversion of loft to habitable space including rear dormer and 3x front roof lights. Certificate of lawful development (Proposed).

    Decided Lawful development Loft or dormer 8 docs

  • 115 Grantham Green Borehamwood Hertfordshire WD6 2JH

    23/0298/PD42 Submitted 21 Feb 2023 100 yards away

    Single Storey Rear Extension. Depth: 6.0m, Height: 4.0m, Eaves: 3.0m.

    Granted Prior approval Extension 5 docs
    Small domestic

  • 16 Burghley Avenue Borehamwood Hertfordshire WD6 2JF

    26/0734/HSE Submitted 28 May 2026 100 yards away

    Single story rear extension.

    Decided Householder Extension 3 docs
    Domestic

  • 24 Burghley Avenue Borehamwood Hertfordshire WD6 2JF

    26/1423/HSE Submitted 2 Oct 2026 100 yards away

    92% historically approved · decision due ~27 Nov

    Retention of existing outbuilding. (Retrospective application.)

    Awaiting decision Householder
    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