Skip to content
PlanIndex Get alerts
Menu

Planning application

1 High Dells Hatfield AL10 9JD

Granted Welwyn Hatfield 6/2026/1399/PN8 Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL

Works: Extension 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

Prior approval for a single storey rear extension measuring 4.50m in depth, 2.58m to the eaves and the maximum height of 2.75m

As published by the council, reference 6/2026/1399/PN8

Application record

Reference
6/2026/1399/PN8
Type
Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
Status
Decided - Granted
Decision
Granted As published: Prior Approval Required and Granted
Received
7 Aug 2026
Validated
7 Aug 2026
Decided
17 Sep 2026
Ward
Hatfield South West
Parish
Hatfield
Decision by
Delegated
Postcode
AL10 9JD

Site history

Applications at this address on the Welwyn Hatfield register

This site has had 3 applications since 2022: 1 approved, 2 refused.

  • 6/2025/2403/FULL Refused

    1 High Dells Hatfield AL10 9JD

    Erection of a two-storey dwelling as a subdivision of the existing plot, with associated car parking areas and erection of a single-storey rear extension to the existing property

    Decided 23 Jul 2026 Full applications
  • 6/2022/2904/FULL Refused

    1 High Dells Hatfield AL10 9JD

    Erection of a single storey, part two storey rear extension with erection of a two storey side extension and subdivision of plot to facilitate the creation of 1 dwelling.

    Decided 16 Feb 2023 Full applications

Timeline

Dates from the published record

  1. 7 Aug 2026

    Received by Welwyn Hatfield

  2. 22 Aug 2026

    Added to PlanIndex

  3. 13 Sep 2026

    Status changed to Under Consideration

    Previously Under Consultation.

  4. 17 Sep 2026

    Decision issued: Prior Approval Required and Granted

What this grant of permission means

Welwyn Hatfield granted permission on 17 September 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 prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 1 High Dells Hatfield AL10 9JD

    6/2022/2904/FULL Submitted 23 Dec 2022 50 yards away

    Erection of a single storey, part two storey rear extension with erection of a two storey side extension and subdivision of plot to facilitate the creation of 1 dwelling.

    Refused Full applications Extension
    Domestic

  • 1 High Dells Hatfield AL10 9JD

    6/2025/2403/FULL Submitted 17 Nov 2025 50 yards away

    Erection of a two-storey dwelling as a subdivision of the existing plot, with associated car parking areas and erection of a single-storey rear extension to the existing property

    Refused Full applications Extension
    Small domestic

  • 78 Bishops Rise Hatfield A10 9HH

    6/2024/1920/HOUSE Submitted 8 Oct 2024 50 yards away

    Erection of a single storey rear and side extension, alterations to openings

    Granted Householder Extension
    Small domestic

  • 72 Bishops Rise Hatfield Hertfordshire AL10 9HH

    6/2023/0656/LAWP Submitted 23 Mar 2023 50 yards away

    Certificate of lawfulness for a proposed rear extension, following the demolition of existing conservatory

    Granted Lawful development Extension Demolition

  • 15 High Dells Hatfield AL10 9JD

    6/2022/2681/HOUSE Submitted 24 Nov 2022 100 yards away

    Erection of first floor rear extension

    Refused Householder Extension
    Domestic

  • 64 Bishops Rise Hatfield Hertfordshire AL10 9HH

    6/2022/2783/PN8 Submitted 8 Dec 2022 100 yards away

    Prior approval for flat roof single storey rear extension measuring 6m in depth, 3m in height and 2.4m to the eaves

    Granted Prior approval Extension
    Small domestic

In Welwyn Hatfield

  • 6/2026/1265/PN8 Granted

    1 Newstead Hatfield AL10 9DH

    Prior approval for a single storey rear extension measuring 6.00m in depth, 2.60m to the eaves and the maximum height of 3.00m

    Received 20 Jul, published by the council 1 Aug 2026 Prior approval
  • 6/2026/1086/PN24 Refused

    The Hub Tamblin Way Hatfield AL10 9EZ

    Prior approval for installation of a roof-mounted solar PV system, comprising of 212 Solarwatt panels to a total system size of 95.4 kWp

    Received 23 Jun, published by the council 2 Aug 2026 Prior approval
  • 6/2026/1686/PN8 Awaiting decision

    65 Maple Grove Welwyn Garden City AL7 1NN

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.75m to the eaves

    Received 23 Sep, published by the council 1 Oct 2026 Prior approval
  • 6/2026/1335/PN8 Refused

    31 Kentish Lane Brookmans Park AL9 6NG

    Prior approval for 2x single storey rear extensions and 1x single storey side/rear extension measuring 8m in depth, 2.85m to the eaves and the maximum height of 4m

    Received 30 Jul, published by the council 22 Aug 2026 Prior approval
  • 6/2026/1558/PN8 Awaiting decision

    50 Heron Way Hatfield AL10 8QX

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3m in height and 3m to the eaves

    Received 8 Sep, published by the council 22 Sep 2026 Prior approval