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Planning application

20 Astwick Avenue Hatfield AL10 9LA

Granted Welwyn Hatfield 6/2021/1967/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 the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves.

As published by the council, reference 6/2021/1967/PN8

Application record

Reference
6/2021/1967/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
29 Jun 2021
Validated
29 Jun 2021
Decided
3 Aug 2021
Ward
Hatfield Villages
Parish
Hatfield
Decision by
Delegated
Postcode
AL10 9LA

Site history

Applications at this address on the Welwyn Hatfield register

This site has had 3 applications since 2021: 3 approved, 0 refused.

  • 6/2021/1967/HOUSE Granted

    20 Astwick Avenue Hatfield AL10 9LA

    Erection of single storey front extension

    Decided 13 Aug 2021 Householder
  • 6/2021/1967/LAWP Granted

    20 Astwick Avenue Hatfield AL10 9LA

    Certificate of lawfulness for a loft conversion followed by changing the roof from hip to gable, and the erection of a rear dormer and front roof lights.

    Decided 13 Aug 2021 Lawful development

Timeline

Dates from the published record

  1. 29 Jun 2021

    Received by Welwyn Hatfield

  2. 3 Aug 2021

    Decision issued: Prior Approval Required and Granted

  3. 30 Jul 2026

    Added to PlanIndex

What this grant of permission means

Welwyn Hatfield granted permission on 3 August 2021, 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

  • 20 Astwick Avenue Hatfield AL10 9LA

    6/2021/1967/HOUSE Submitted 29 Jun 2021 50 yards away

    Erection of single storey front extension

    Granted Householder Extension
    Small domestic

  • 20 Astwick Avenue Hatfield AL10 9LA

    6/2021/1967/LAWP Submitted 29 Jun 2021 50 yards away

    Certificate of lawfulness for a loft conversion followed by changing the roof from hip to gable, and the erection of a rear dormer and front roof lights.

    Granted Lawful development Loft or dormer

  • 11 Astwick Avenue Hatfield AL10 9LB

    6/2024/1562/HOUSE Submitted 15 Aug 2024 50 yards away

    Erection of a single storey rear extension following demolition of an existing single storey rear extension and conservatory, installation of 4 front rooflights, 1 rear rooflight, hip to gable extension and a rear dormer to facilitate the conversion of the loft to habitable space, garage conversion to habitable space, alterations to fenestration and the erection of rear single storey garage and store

    Granted Householder Extension Loft or dormer +2
    Small domestic

  • 77 Holme Road Hatfield AL10 9LG

    6/2026/1013/HOUSE Submitted 9 Jun 2026 100 yards away

    Erection of a single storey rear/side extension and garage conversion with alterations to the fenestration

    Granted Householder Extension Windows or glazing
    Small domestic

  • 9 Broad Acres Hatfield Hertfordshire AL10 9LE

    6/2022/2673/LAWP Submitted 24 Nov 2022 150 yards away

    Certificate of lawfulness for hip to gable roof conversion, installation of rear dormer and insertion of front facing rooflight

    Granted Lawful development Loft or dormer

  • 9 Broad Acres Hatfield Hertfordshire AL10 9LE

    6/2022/2672/HOUSE Submitted 24 Nov 2022 150 yards away

    Erection of a single storey front and rear extension

    Granted Householder 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
  • 6/2026/1399/PN8 Granted

    1 High Dells Hatfield AL10 9JD

    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

    Received 7 Aug, published by the council 22 Aug 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