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Planning application

12 The Valley Green Welwyn Garden City AL8 7DQ

Granted Welwyn Hatfield 6/2026/0150/HOUSE HOUSEHOLDER APPLICATION

Works: Extension Demolition Small 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

Erection of a single storey rear extension following the demolition of the existing conservatory

As published by the council, reference 6/2026/0150/HOUSE

Application record

Reference
6/2026/0150/HOUSE
Type
HOUSEHOLDER APPLICATION
Status
Decided - Granted
Decision
Granted
Received
29 Jan 2026
Validated
29 Jan 2026
Decided
30 Jun 2026
Ward
Handside
Decision by
Delegated
Postcode
AL8 7DQ

Site history

Applications at this address on the Welwyn Hatfield register

This site has had 6 applications since 2022: 6 approved, 0 refused.

  • 6/2026/0623/TC Granted

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Robinia Tree to remove - The tree is unsuitable for its location within a domestic garden due to its inherent species characteristics. The tree produces prominent, sharp thorns along its stems and branches, presenting a risk to garden users, particularly at low level. In addition, it exhibits vigorous suckering, with numerous thorned shoots arising from the root system and spreading across the lawn, resulting in ongoing maintenance issues and reduced usability of the garden space. Removal and replacement with a more appropriate, less hazardous species is considered a reasonable and proportionate long-term management approach within the conservation area

    Decided 18 May 2026 Trees
  • 6/2026/0626/EMT Granted

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Remove Robinia tree and stump

    Decided 10 Jun 2026 Trees
  • 6/2026/0201/EM Granted

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Erection of ground floor rear extension following the removal of existing conservatory

    Decided 6 Jul 2026
  • 6/2024/2002/EMT Granted

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Reduce Robinia by 25%

    Decided 26 Nov 2024 Trees
  • 6/2022/2633/EMT Granted

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Robinia tree - 30% crown reduction 2x Maple trees and Plum tree - cut back all over hanging branches from neighbour’s garden

    Decided 26 Jan 2023 Trees

Timeline

Dates from the published record

  1. 29 Jan 2026

    Received by Welwyn Hatfield

  2. 30 Jun 2026

    Decision issued: Granted

  3. 24 Jul 2026

    Added to PlanIndex

What this grant of permission means

Welwyn Hatfield granted permission on 30 June 2026, 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 0.3 miles

  • 12 The Valley Green Welwyn Garden City AL8 7DQ

    6/2026/0201/EM Submitted 4 Feb 2026 50 yards away

    Erection of ground floor rear extension following the removal of existing conservatory

    Granted Extension
  • 12 The Valley Green Welwyn Garden City AL8 7DQ

    6/2024/2002/EMT Submitted 17 Oct 2024 50 yards away

    Reduce Robinia by 25%

    Granted Trees
  • 12 The Valley Green Welwyn Garden City AL8 7DQ

    6/2026/0623/TC Submitted 9 Apr 2026 50 yards away

    Robinia Tree to remove - The tree is unsuitable for its location within a domestic garden due to its inherent species characteristics. The tree produces prominent, sharp thorns along its stems and branches, presenting a risk to garden users, particularly at low level. In addition, it exhibits vigorous suckering, with numerous thorned shoots arising from the root system and spreading across the lawn, resulting in ongoing maintenance issues and reduced usability of the garden space. Removal and replacement with a more appropriate, less hazardous species is considered a reasonable and proportionate long-term management approach within the conservation area

    Granted Trees
  • 12 The Valley Green Welwyn Garden City AL8 7DQ

    6/2026/0626/EMT Submitted 9 Apr 2026 50 yards away

    Remove Robinia tree and stump

    Granted Trees
  • 12 The Valley Green Welwyn Garden Cit AL8 7DQ

    6/2024/1976/TC Submitted 15 Oct 2024 50 yards away

    1 x Robinia to reduce back to previous cuts - 25% approx.

    Granted Trees
  • 12 The Valley Green Welwyn Garden City AL8 7DQ

    6/2022/2633/EMT Submitted 21 Nov 2022 50 yards away

    Robinia tree - 30% crown reduction 2x Maple trees and Plum tree - cut back all over hanging branches from neighbour’s garden

    Granted Trees

In Welwyn Hatfield

  • 9 Mardley Hill Welwyn AL6 0UE

    Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

    Received 10 Jul, published by the council 24 Jul 2026 Householder
  • 21 The Swallows Welwyn Garden City AL7 1BX

    Garage conversion with alterations to openings to front and rear elevations

    Received 17 Jul, published by the council 1 Aug 2026 Householder
  • 33 Claves Crescent Welwyn Garden City AL7 1WN

    Erection of a single storey rear conservatory

    Received 22 Jul, published by the council 1 Aug 2026 Householder
  • 40 Cecil Crescent Hatfield AL10 0HG

    Erection of single storey rear extension

    Received 10 Jul, published by the council 9 Aug 2026 Householder
  • 109 Mount Way Welwyn Garden City AL7 4LA

    Erection of single storey front extension

    Received 13 Jul, published by the council 9 Aug 2026 Householder