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Planning application

21 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

Refused North Hertfordshire 26/01038/LDCP Lawful Development Certificate Proposed

Works: Extension Demolition

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Two storey rear extension following demolition of existing rear elements.

As published by the council, reference 26/01038/LDCP

Application record

Reference
26/01038/LDCP
Type
Lawful Development Certificate Proposed
Status
Decided
Decision
Refused
Received
5 May 2026
Validated
5 May 2026
Decided
19 Jun 2026
Ward
Knebworth Ward
Parish
Codicote Parish Council
Decision by
Delegated
Postcode
AL6 9SH

Site history

Applications at this address on the North Hertfordshire register

This site has had 2 applications since 2026: 1 approved, 1 refused.

  • 26/01621/LDCP Granted

    21 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

    Two storey rear extension following removal of existing single storey rear elements

    Decided 28 Jul 2026

Timeline

Dates from the published record

  1. 5 May 2026

    Received by North Hertfordshire

  2. 19 Jun 2026

    Decision issued: Refused

  3. 24 Jul 2026

    Added to PlanIndex

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.

Trade members open them from here.

Open the documents

What this refusal means

North Hertfordshire refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 500 metres

  • 41 The Avenue Welwyn AL6 0PW

    6/2021/1014/PN27 Submitted 26 Mar 2021 92m away

    Prior approval for the construction of an additional storey and associated replacement roof to facilitate the enlargement of the dwellinghouse by 1.33m

    Granted Prior approval Roofing
    Domestic

  • 14 Danesbury Park Road Welwyn AL6 9SJ

    6/2024/2079/LAWP Submitted 28 Oct 2024 109m away

    Certificate of lawfulness for installation of new drive access and associated drive alteration, erection of an additional storey, erection of a single storey side and rear extensions and porch extension. Erection of two single storey outbuildings

    Withdrawn Lawful development Extension
    Small domestic

  • 39 The Avenue Welwyn AL6 0PW

    6/2019/2709/HOUSE Submitted 28 Oct 2019 125m away

    Erection of a two storey rear and side extension and alterations to the roof following the demolition of existing conservatory and rear extension and the addition of a pitched roof to the existing garage

    Granted Householder Extension Demolition 1 doc
    Small domestic

  • Land At The Rear Of 25 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

    26/01131/PIP Submitted 30 Apr 2026 133m away

    Erection of up to 2 dwellings and associated infrastructure

    Granted Outline 9 docs
    Several homes

  • 4 Danesbury Park Road Welwyn AL6 9SE

    6/2021/1092/PN8 Submitted 1 Apr 2021 190m away

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3.75m in height and 3.75m to the eaves.

    Refused Prior approval Extension
    Small domestic

  • Land Adjacent 21 Danesbury Park Road Pottersheath Hertfordshire AL6 9SH

    26/00115/FP Submitted 25 Feb 2026 193m away

    87% historically approved · decision due ~22 Apr

    Erection of two detached dwellings with detached garages including parking and hard and soft landscaping.

    Awaiting decision Full applications 27 docs

In North Hertfordshire

  • 26/02157/LDCE Awaiting decision

    Land On The South West Side Of Barkway Road Royston Hertfordshire SG8 9DF

    Removal of an existing workshop building on the site as implementation of planning permission 21/02957/FP in accordance with application number 26/01784/NMA which confirms that removal of the workshop will implement the planning permission The works were carried out prior to the expiry date of the 21/02957/FP planning permission with evidence sent to NHDC before the expiry date.

    27 Aug 2026 Lawful development
  • 26/02123/LDCP Awaiting decision

    35 Dacre Road Hitchin Hertfordshire SG5 1QJ

    Insertion of rear dormer window with Juliet barrier and two front rooflights

    25 Aug 2026 Lawful development
  • 26/01469/LDCP Granted

    30 Pirton Road Hitchin Hertfordshire SG5 2BD

    Single storey rear extension. Extension to rear patio.

    5 Jun 2026 Lawful development
  • 26/01459/LDCP Granted

    80 Balmoral Road Hitchin Hertfordshire SG5 1XQ

    Single storey rear extension and insertion of three rooflights to existing rear element. Front porch extension.

    4 Jun 2026 Lawful development
  • 26/01426/LDCP Granted

    25 Balmoral Road Hitchin Hertfordshire SG5 1XG

    Insertion of rear box dormer and installation of 3 rooflights to front roof slope to facilitate conversion of loft space to habitable accommodation.

    2 Jun 2026 Lawful development