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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
21,257Searchable applications
298Recorded as pending
86%Approval rate · 17,177 approved or refused records
2,429Refused applications

14,748 approved · 2,429 refused · 1,086 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/2830/HOUSE

    Proposed two storey side extension and addition of window to existing front elevation.

    1 Fearnley Road Welwyn Garden City AL8 6HW

    Received 29 Oct 2020
  2. Decided - Granted6/2021/3198/HOUSE

    Erection of a single storey rear extension, alterations to fenestrations and existing balcony above extension

    55 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 9 Nov 2021
  3. Decided - Granted6/2020/1026/EM

    Reduce 1 x Silver Birch Tree by 30%

    42 Howlands Welwyn Garden City AL7 4RE

    Received 7 May 2020
  4. Decided - Granted6/2021/3428/EMT

    Reduce 1 x Lime Tree back to pollard points

    326 Knightsfield, Welwyn Garden City, AL8 7NQ

    Received 7 Dec 2021
  5. Decided - Granted6/2020/2003/HOUSE

    Erection of a single storey rear extension.

    29 Haltside Hatfield AL10 9SW

    Received 11 Aug 2020
  6. Decided - Granted6/2025/0714/COND

    Submission of details pursuant to Condition 1 (hard & soft landscape works), Condition 2 (samples of materials) and Condition 3 (storage of refuse & recycling) on planning permission 6/2023/2242/FULL

    Flint Cottage Essendon Hill Essendon Hatfield AL9 6AJ

    Received 15 Apr 2025
  7. Decided - Granted6/2025/0180/EM

    Replacement of two first floor sub standard double glazed windows at the rear of the house with like for like Neo Georgian windows

    13 Pentley Park Welwyn Garden City AL8 7RT

    Received 3 Feb 2025
  8. Decided - Granted6/2023/0808/EMT

    1 x Apple to fell and leave a stump of approx 1.5m above ground level

    19 Breakmead, Welwyn Garden City, AL7 3HG

    Received 14 Apr 2023
  9. Decided - Refused6/2020/0548/HOUSE

    Erection of single storey side and rear extension

    1 Crawford Road Hatfield AL10 0PF

    Received 26 Feb 2020
  10. Decided - Granted6/2017/1627/EM

    Reduce Poplar to 12 ft

    101 Handside Lane Welwyn Garden City AL8 6SP

    Received 25 Jul 2017
  11. Decided - Refused6/2025/0645/VAR

    Variation of condition 1 (materials), 3 (landscaping) and 5 (plans), on planning permission 6/2023/1012/HOUSE

    4 Bramble Road Hatfield AL10 9SA

    Received 3 Apr 2025
  12. Decided - Withdrawn6/2017/1983/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3.6m in height and 2.55m to the eaves.

    397 St Albans Road West Hatfield AL10 9RU

    Received 31 Aug 2017
  13. Decided - Granted6/2019/0815/HOUSE

    Erection of first floor rear extension

    105 Sloansway Welwyn Garden City AL7 1NA

    Received 3 Apr 2019
  14. Decided6/2020/2636/TC

    Prune height of Copper Beech by 2m to remove over extended branches that are not uniform with the canopy.

    14 The Links Welwyn Garden City AL8 7DS

    Received 12 Oct 2020
  15. Decided - Granted6/2026/0341/LAWP

    Certificate of lawfulness for a proposed loft conversion with rear dormer and hip to gable and installation of rooflights

    60 Pooleys Lane Welham Green Hatfield AL9 7LF

    Received 24 Feb 2026
  16. Decided - Refused6/2023/2376/HOUSE

    Erection of a two storey side extension with construction of dormer window to create loft conversion. Alterations to fenestration following demolition of existing extension. Detached garage conversion and alterations to parking

    2 Twelve Acres Welwyn Garden City AL7 4TG

    Received 27 Nov 2023
  17. Decided - Refused6/2021/2699/HOUSE

    Hip to gable conversion, insertion of a rear dormer and 2 x rooflight windows to the front elevation

    9 Selwyn Avenue Hatfield AL10 9NR

    Received 17 Sept 2021
  18. Decided6/2021/1136/TC

    Fell 1 x Cherry tree covered by conservation area - Dead and Dangerous

    55 Bridge Road Welwyn Garden City AL8 6UH

    Received 7 Apr 2021
  19. Decided6/2024/0193/TC

    Fell 1 x Apple Tree

    12 Coneydale Welwyn Garden City AL8 7RZ

    Received 31 Jan 2024
  20. Decided6/2025/1671/TC

    (T1) Copper Beech Reduce the tree's height by 2 meters and spread by 2.5 meters to: Address dieback in most branches and revitalize the tree Shape the tree to retain a balanced structure Remove all dead wood for safety reasons, including: Debris currently dropping onto the patio area Large, hazardous branches hanging in the tree This work aims to give the tree a new lease on life, ensure safety, and enhance its overall health and appearance

    11 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 4 Aug 2025
  21. Decided - Withdrawn6/2023/1061/HOUSE

    Installation of a second sliding gate to the front boundary and a new dropped kerb

    25 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 19 May 2023
  22. Decided - Granted6/2021/1215/HOUSE

    Erection of two storey side extension with a single storey front garage.

    40 Great North Road Welwyn Garden City AL8 7TJ

    Received 14 Apr 2021
  23. Decided - Granted6/2020/0532/HOUSE

    Erection of shed

    22 Fore Street Hatfield AL9 5AH

    Received 25 Feb 2020
  24. Decided - Granted6/2019/2266/EM

    Reduce 1 x Cherry tree by 30% Reduce 1 x Conifer (Leylandii) by 50%

    81 Valley Road Welwyn Garden City AL8 7DR

    Received 13 Sept 2019

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

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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

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    Planning permission drawings: how to read plans

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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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