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Planning application

26/01641/LDCP

18 Mowbray Gardens Hitchin Hertfordshire SG4 9HF

Awaiting decision North Hertfordshire Lawful Development Certificate Proposed

Proposal

Insertion of box dormer to existing side elevation roofslope to facilitate conversion of loftspace into habitable accommodation.

As published by the council, reference 26/01641/LDCP

Timeline

Dates from the published record

  1. 29 Jun 2026

    Received by North Hertfordshire

  2. 24 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with North Hertfordshire for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

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    The Acorns Blackhorse Lane Hitchin Hertfordshire SG4 9EG

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  • 23/00251/FPH Decided

    34 Blackhorse Lane Hitchin Hertfordshire SG4 9EG

    Two storey side extension and single storey rear extension. Insertion of rear dormer window and two rooflights in front roofslope to facilitate loft conversion.

    2 Feb 2023 101m away Householder
  • 26/01217/FPH Decided

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    20 May 2026 126m away Householder
  • 26/01199/FPH Awaiting decision

    6 Turfmead Hitchin Hertfordshire SG4 9FB

    Insertion of 3 no. front rooflights and 3 no. rear rooflights to facilitate loft conversion to habitable space. Partial garage conversion with rear window. Insertion of side door.

    8 May 2026 129m away Householder
  • 26/00920/FPH Decided

    201 Stevenage Road Hitchin Hertfordshire SG4 9EA

    Two storey and part single storey front and side extension, replacement front dormer window and insertion of rear box dormer to create habitable space at first floor level. Front porch canopy and replacement pitched roof over existing garage. Alterations to fenestration and removal of existing chimney. External rendering and cladding. Alterations to boundary wall.

    24 Apr 2026 155m away Householder
  • 26/01659/FPH Awaiting decision

    1 Matthew Gate Hitchin Hertfordshire SG4 9EQ

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    17 Jul 2026 162m away Householder

In North Hertfordshire

  • 26/01621/LDCP Granted

    21 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

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

    8 Jul 2026 Lawful development
  • 26/01501/LDCP Granted

    56 Grays Lane Hitchin Hertfordshire SG5 2HJ

    Erection of detached single storey rear garden room

    24 Jun 2026 Lawful development
  • 26/01293/LDCP Refused

    35 Dacre Road Hitchin Hertfordshire SG5 1QJ

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

    22 Jun 2026 Lawful development
  • 26/01557/LDCP Granted

    11 Matthew Gate Hitchin Hertfordshire SG4 9EQ

    Insertion of rear box dormer with Juliet balcony and 2 no. front rooflights to facilitate loft conversion to habitable space

    16 Jun 2026 Lawful development
  • 26/01672/LDCP Refused

    3 Westfield Lane Hitchin Hertfordshire SG5 2HE

    Alterations to existing roof to include hip to gable roof extension and insertion of rear dormer window and second floor side window to facilitate loft conversion into habitable accommodation.

    2 Jul 2026 Lawful development