18A London Road Woolmer Green SG3 6JP

1. 22 Nov 2022

   Received by Welwyn Hatfield

2. 17 Jan 2023

   Decision issued: Refused

3. 9 Aug 2026

   Added to PlanIndex

This application is at appeal, which passes the decision from the council to the national planning inspectorate, or in Scotland usually to a local review body first. The appeal considers the scheme afresh against the same policies.

Anyone who commented on the original application is normally notified and can comment again within the appeal deadline. Appeal decisions take months rather than weeks, and the outcome replaces the council's decision.

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

• 22B London Road Woolmer Green SG3 6JP

  6/2024/1996/PN33 Submitted 16 Oct 2024 41m away

  Change of use from commercial, business and service (Use Class E) to dwellinghouse (Use Class C3) to form one dwelling

  Granted
  Domestic

• 9A London Road Knebworth SG3 6LG

  6/2021/1374/HOUSE Submitted 29 Apr 2021 73m away

  Erection of a single storey rear extension to facilitate dining room.

  Granted Householder Extension
  Small domestic

• 16 Wolves Mere Woolmer Green SG3 6JW

  6/2023/0178/LAWP Submitted 24 Jan 2023 110m away

  Certificate of lawfulness for proposed garage conversion to include replacement of garage door with window and alteration of opening to side elevation

  Granted Lawful development Windows or glazing

• 5 Twin Foxes Knebworth SG3 6QT

  6/2021/1027/HOUSE Submitted 29 Mar 2021 133m away

  Erection of a single storey rear extension, garage conversion, front extension and relocation of fence, gate with new side canopy.

  Granted Householder Extension
  Small domestic

• 2 Mardleybury Court Woolmer Green Knebworth SG3 6LP

  6/2019/2855/COND Submitted 12 Nov 2019 135m away

  Submission of details pursuant to condition 6 (arboricultural method statement) on planning permission 6/2019/0909/FULL

  Granted Conditions

• 10 London Road Woolmer Green SG3 6JP

  6/2021/1932/LB Submitted 25 Jun 2021 155m away

  Erection of rear extension and glazed link extension. Conversion of existing garage into habitable accommodation and internal ground floor alterations

  Refused Heritage and listed buildings Extension Windows or glazing

• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  13 Jul 2026 Householder
• 6/2026/1011/HOUSE Granted

  5 Brookside Crescent Cuffley Potters Bar EN6 4QW

  Erection of rear extension, single storey side extension, new porch, additions/alterations to windows on side elevation and demolition of garage

  9 Jun 2026 Householder
• 6/2026/0703/HOUSE Granted

  57 Great North Road Brookmans Park AL9 6LA

  Erection of part double part single storey rear extension, single storey front porch extension, raising of roof and eaves to accommodate loft conversion, alterations to materials and fenestration, erection of front boundary wall and gates

  20 Apr 2026 Householder
• 6/2026/0534/HOUSE Refused

  16 Chipmunk Chase Hatfield AL10 9GH

  Retention of single storey rear extension and garage conversion to study/office

  24 Mar 2026 Householder
• 6/2026/1175/HOUSE Granted

  5A Honeycroft Welwyn Garden City AL8 6HR

  Erection of a single storey rear extension, alterations to opening on side elevation and garden room with covered area following demolition of conservatory

  7 Jul 2026 Householder