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Planning application

10 Dellcott Close Welwyn Garden City AL8 7BD

Awaiting decision Welwyn Hatfield 6/2026/1278/HOUSE HOUSEHOLDER APPLICATION

Works: Extension Demolition Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Erection of a part single, part double storey extension with replacement chimney following the demolition of existing part single, part double storey extension and conservatory

As published by the council, reference 6/2026/1278/HOUSE

Application record

Reference
6/2026/1278/HOUSE
Type
HOUSEHOLDER APPLICATION
Status
Under Consideration
Received
20 Jul 2026
Validated
21 Jul 2026
Ward
Handside
Decision by
Delegated
Postcode
AL8 7BD

Site history

Applications at this address on the Welwyn Hatfield register

This site has had 4 applications since 2021: 2 approved, 0 refused.

  • 6/2026/1289/EM Awaiting decision

    10 Dellcott Close Welwyn Garden City AL8 7BD

    Erection of a part single (rear & side) part double storey (rear) extension to replace the existing, alterations to the fenestration at the side elevation

    Submitted 22 Jul 2026
  • 6/2021/1537/EMH Granted

    10 Dellcott Close Welwyn Garden City AL8 7BD

    Erection of a single storey rear extension with roof lantern, insertion of roof lights to existing roof and alterations to openings.

    Decided 14 Jul 2021 Householder
  • 6/2021/1524/HOUSE Granted

    10 Dellcott Close Welwyn Garden City AL8 7BD

    Erection of single storey rear extension with roof lantern, roof lights to existing roof and alterations to openings.

    Decided 3 Aug 2021 Householder

Timeline

Dates from the published record

  1. 20 Jul 2026

    Received by Welwyn Hatfield

  2. 21 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 30 Jul 2026

    Added to PlanIndex

  4. 31 Aug 2026

    Status changed to Under Consideration

    Previously Under Consultation.

  5. Decision

    Awaiting decision

    Decision expected by 15 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Welwyn Hatfield took a median of 58 days over the applications it decided in the last year.

What happens while it is decided

This application is with Welwyn Hatfield for determination, against a statutory target of eight weeks. Over the last year Welwyn Hatfield decided householder applications in a median of 60 days. More in our guide to how long planning decisions take.

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 500 metres

  • 10 Dellcott Close Welwyn Garden City AL8 7BD

    6/2021/1537/EMH Submitted 13 May 2021 0m away

    Erection of a single storey rear extension with roof lantern, insertion of roof lights to existing roof and alterations to openings.

    Granted Householder Extension Loft or dormer +1
    Small domestic

  • 10 Dellcott Close Welwyn Garden City AL8 7BD

    6/2021/1524/HOUSE Submitted 13 May 2021 0m away

    Erection of single storey rear extension with roof lantern, roof lights to existing roof and alterations to openings.

    Granted Householder Extension Loft or dormer +1
    Small domestic

  • 10 Dellcott Close Welwyn Garden City AL8 7BD

    6/2026/1289/EM Submitted 22 Jul 2026 0m away

    90% historically approved · decision due ~21 Sep

    Erection of a part single (rear & side) part double storey (rear) extension to replace the existing, alterations to the fenestration at the side elevation

    Awaiting decision Extension Windows or glazing

  • 14 Dellcott Close Welwyn Garden City AL8 7BD

    6/2026/1106/EMT Submitted 26 Jun 2026 21m away

    Tulip tree reduction to previous crown reduction approx 2m

    Granted Trees

  • 14 Dellcott Close Welwyn Garden City AL8 7BD

    6/2026/1151/TC Submitted 2 Jul 2026 21m away

    Tulip tree - full crown reduction to previous reduction (approximately 2 metres). 10% crown thin and remove dead wood and crossing/rubbing branches.

    Granted Trees

  • 18 Dellcott Close Welwyn Garden City AL8 7BD

    6/2021/0901/EMT Submitted 19 Mar 2021 42m away

    T1 maple tree - fell T2 apple tree - crown reduction by 1-2m. T3 Holly tree - reduce height by 2m. T4 Yew tree - reduce height by 2-3m

    Granted Trees

In Welwyn Hatfield

  • 6/2026/1198/HOUSE Granted

    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

    10 Jul 2026 Householder
  • 6/2026/1257/HOUSE Granted

    21 The Swallows Welwyn Garden City AL7 1BX

    Garage conversion with alterations to openings to front and rear elevations

    17 Jul 2026 Householder
  • 6/2026/1293/HOUSE Granted

    33 Claves Crescent Welwyn Garden City AL7 1WN

    Erection of a single storey rear conservatory

    22 Jul 2026 Householder
  • 6/2026/1202/HOUSE Granted

    40 Cecil Crescent Hatfield AL10 0HG

    Erection of single storey rear extension

    10 Jul 2026 Householder
  • 6/2026/1228/HOUSE Granted

    109 Mount Way Welwyn Garden City AL7 4LA

    Erection of single storey front extension

    13 Jul 2026 Householder