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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
21,532Searchable applications
298Recorded as pending
86%Approval rate · 17,423 approved or refused records
2,471Refused applications

14,952 approved · 2,471 refused · 1,105 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - Refused6/2022/0874/HOUSE

    Erection of a single storey side extension

    82 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 12 Apr 2022
  2. Decided - Granted6/2021/3282/PN15

    Prior approval for the proposed telecommunications Rooftop installation upgrade; Proposed 3No. AOC4518R8v06 Antenna to be raised on proposed support poles (C/L Antennas 27.60m AGL) and associated ancillary works.

    The Galleria, Comet Way, Hatfield AL10 0XR

    Received 18 Nov 2021
  3. Decided - Granted6/2020/1158/EM

    Replacement of shed

    40 Handside Lane Welwyn Garden City AL8 6SJ

    Received 21 May 2020
  4. Decided - Granted6/2023/0292/HOUSE

    Installation of rooflight and raise existing flat roof to facilitate partial garage conversion.

    32 Fordwich Road Welwyn Garden City AL8 6EY

    Received 7 Feb 2023
  5. Decided - Granted6/2025/0991/EM

    Replacement of existing windows and doors to UPVC – Rehau Rio, Black outside, white inside, flush fit, woodgrain effect, Georgian lead diamond effect detail fixed to outer glass

    50 Bridge Road Welwyn Garden City AL8 6UR

    Received 28 May 2025
  6. Decided - Granted6/2024/0552/HOUSE

    Erection of one and two storey side and rear extensions following demolition of existing extensions

    14 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 20 Mar 2024
  7. Decided - Split6/2023/0251/COND

    Submission of details pursuant to condition number 1 (Archaeological Written Scheme of Investigation), on planning permission 6/2021/3489/MAJ

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 1 Feb 2023
  8. Decided - Granted6/2020/0297/EM

    Fell 2x Oak Trees (T1 and T2)

    10 Woodland Rise Welwyn Garden City AL8 7LF

    Received 3 Feb 2020
  9. Decided - Granted6/2018/1500/ADV

    Installation of 1x internally illuminated fascia sign and 1x internally illuminated hanging sign

    1a Oldings Corner Comet Way Hatfield AL9 5JU

    Received 5 Jun 2018
  10. Decided - Granted6/2020/0827/HOUSE

    Erection of a single storey rear extension following demolition of conservatory

    11 Mount Pleasant Close Hatfield AL9 5BZ

    Received 2 Apr 2020
  11. Decided - Withdrawn6/2026/0639/HOUSE

    Erection of part single part double storey rear and side extension, fenestration alterations and erection of garage following demolition of existing garage

    6 Handside Green Welwyn Garden City AL8 6SQ

    Received 10 Apr 2026
  12. Decided - Granted6/2022/2509/HOUSE

    Erection of first floor rear extension with insertion of rooflight and addition of solar panels to new and existing rear roofs. Insertion of replacement rooflight to existing flat roof

    69 Maple Grove Welwyn Garden City Hertfordshire AL7 1NN

    Received 2 Nov 2022
  13. Decided - Granted6/2023/0463/HOUSE

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

    3 Holloways Lane Welham Green Hatfield AL9 7NR

    Received 28 Feb 2023
  14. Decided - Granted6/2023/1569/LB

    Proposed wall opening to existing boundary wall and re-modelling of landscape to the rear of private garden to create parking spaces for associated dwelling

    Parkside Cottage 56 Mill Lane Welwyn AL6 9ES

    Received 28 Jul 2023
  15. Decided - Granted6/2024/2001/EM

    Replacement of windows at property - like for like

    5 The Spinney Welwyn Garden City AL7 3AG

    Received 17 Oct 2024
  16. Decided - Granted6/2019/3160/LAWP

    Certificate of lawfulness for the installation of 1 x dormer to facilitate loft conversion and alterations to openings

    8 Oaken Grove Welwyn Garden City AL7 4TP

    Received 16 Dec 2019
  17. Decided - Granted6/2023/1304/COND

    Submission of details pursuant to condition 1 (Arboricultural Method Statement and Tree Protection Plan) on planning permission 6/2022/1295/FULL

    52-54 Dellfield Road Hatfield Hertfordshire AL10 8HP

    Received 21 Jun 2023
  18. Decided - Granted6/2026/0326/HOUSE

    Erection of a single storey rear extension and replacement of window with door on side elevation

    6 Manor Close Hatfield AL10 9LW

    Received 23 Feb 2026
  19. Decided - Granted6/2022/1129/HOUSE

    Erection of first floor side extension, removal of rear window to be replaced with patio doors, existing french doors with side lights to be replaced with bi-fold doors and new front door to be moved to existing porch recess

    41 Rosedale Welwyn Garden City AL7 1DW

    Received 16 May 2022
  20. Decided - Granted6/2026/0392/HOUSE

    Erection of single-storey outbuilding

    6 Brockett Close Welwyn Garden City AL8 7BN

    Received 3 Mar 2026
  21. Decided - Withdrawn6/2021/1288/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3m in height and 3m to the eaves

    11 Honeysuckle Gardens Hatfield AL10 8PL

    Received 21 Apr 2021
  22. Decided - Granted6/2022/0008/HOUSE

    Erection of part single storey part two storey rear extension and internal alterations to an existing side extension

    6 East View Essendon Hatfield AL9 6HJ

    Received 5 Jan 2022
  23. Decided - Granted6/2024/2308/EMT

    T1 1 x Beech (left boundary) to reduce by approximately 3m in height and 2m in width T2 1 x Beech to reduce by approximately 1.5m in both height and width To retain trees at a suitable size & shape as they affect multiple properties

    12 High Grove Welwyn Garden City AL8 7DW

    Received 2 Dec 2024
  24. Decided - Refused6/2019/2217/HOUSE

    Erection of two storey side and part single, part two storey rear extension

    5 Wheatley Road Welwyn Garden City AL7 3LL

    Received 6 Sept 2019

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

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