PlanningTrack
Get started

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
21,461Searchable applications
298Recorded as pending
86%Approval rate · 17,359 approved or refused records
2,462Refused applications

14,897 approved · 2,462 refused · 1,101 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1662/EMT

    Remove Conifer tree and Sycamore tree

    58 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 30 Aug 2024
  2. Decided - Granted6/2019/0641/EM

    Erection of single storey rear extension

    120 Howlands Welwyn Garden City AL7 4RG

    Received 19 Mar 2019
  3. Decided - Granted6/2020/2817/LAWP

    Lawful development certificate for the demolition of existing car port, attached outbuildings and sun room to facilitate erection of a single storey side and two storey rear extension, to include rear facing Juliette balcony and 2 dormers to both sides of existing roof.

    99 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 28 Oct 2020
  4. Decided - Granted6/2021/1727/EMH

    Installation of bifold doors to rear elevation

    15 Moorend Welwyn Garden City AL7 4QL

    Received 1 Jun 2021
  5. Decided - Granted6/2026/1026/HOUSE

    Single storey front and rear extensions and first floor side extension

    1 Rose Mead Little Heath Potters Bar EN6 1JP

    Received 10 Jun 2026
  6. Decided - Granted6/2018/1542/HOUSE

    Erection of single storey rear extension

    3 Homerfield Welwyn Garden City AL8 6QZ

    Received 11 Jun 2018
  7. Decided - Granted6/2017/0974/HOUSE

    Erection of single storey rear extension at ground level

    43 Newfields Welwyn Garden City AL8 6YS

    Received 8 May 2017
  8. Decided - Granted6/2020/1029/FULL

    Erection of a single storey side extension

    The Red House, Flat 2 54 New Road Digswell Welwyn AL6 0AH

    Received 7 May 2020
  9. Decided6/2024/2054/TC

    Oak tree to fell. Hawthorn to fell. Silver birch to reduce by approximately 2/3 metres, to a suitable growth point, the two lowest branches. Cherry to remove the lowest six branches. Cherry to remove the lowest branch. Maple to crown raise to a height of approximately 3.5ms.

    131 Parkway Welwyn Garden City AL8 6JD

    Received 24 Oct 2024
  10. Decided - Granted6/2026/0389/EM

    Proposed erection of a garden room in the rear garden

    29 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 3 Mar 2026
  11. Decided - Granted6/2023/1481/EMT

    Reduction of 1 x Lawson cypress hedge by 4m

    250 Daniells, Welwyn Garden City, AL7 1QE

    Received 17 Jul 2023
  12. Decided6/2020/2753/TC

    Hornbeam (H1)(Carpinus Betulus) - Crown lift garden side up to 4m, Road-side remove 3 lowest major limbs (back to main trunk

    14B Northaw Road West Northaw Potters Bar EN6 4NR

    Received 22 Oct 2020
  13. Decided - Granted6/2026/0693/LAWP

    Certificate of lawfulness for the proposed installation of a new window into the first floor side elevation

    14 Jasmine Gardens Hatfield AL10 0BQ

    Received 20 Apr 2026
  14. Decided - Refused6/2025/0914/COND

    Submission of details pursuant of condition 6 (Flood Risk assessment and Drainage Strategy) on planning permission 6/2020/3222/MAJ

    Former Volkswagen Van Centre Comet Way Hatfield AL10 9TF

    Received 16 May 2025
  15. Decided - Granted6/2019/1174/HOUSE

    Erection of two single storey side extensions

    3 Oak Piece Welwyn AL6 0XE

    Received 15 May 2019
  16. Decided6/2023/0680/TC

    2 poplar trees to be reduced by one third

    134 Lemsford Lane Welwyn Garden City AL8 6YP

    Received 27 Mar 2023
  17. Decided - Granted6/2017/1689/HOUSE

    Erection of single storey rear extension

    69 Great Dell Welwyn Garden City AL8 7HP

    Received 2 Aug 2017
  18. Decided - Granted6/2021/1399/HOUSE

    Erection of a single storey/part two storey rear extension and single storey front extension

    30 Howicks Green Welwyn Garden City AL7 4RH

    Received 4 May 2021
  19. Decided - Granted6/2018/1668/PN8

    Prior approval for the erection of single storey rear extension measuring 5.0m in depth, 4.0m in height, 3.0m to the eaves

    11 Briars Wood Hatfield AL10 8DA

    Received 20 Jun 2018
  20. Decided - Granted6/2019/2647/EM

    Erection of single and part two storey rear extension with installation of 6x roof lights following demolition of conservatory and formation of hardstanding

    17 The Valley Green Welwyn Garden City AL8 7DQ

    Received 22 Oct 2019
  21. Decided - Withdrawn6/2023/0334/HOUSE

    Erection of a single storey ground floor and part first floor side extension following the demolition of detached garage

    The Lodge 2 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 10 Feb 2023
  22. Decided - Granted6/2021/2859/HOUSE

    Erection of a single storey rear extension involving demolition of existing detached outbuilding, garden wall and steps

    75 Monkswood Welwyn Garden City AL8 7EF

    Received 5 Oct 2021
  23. Decided - Granted6/2018/2325/EM

    Undertaking of multiple 40% crown reductions. This includes ash trees (A1,A2,A3) and sycamore (S4,) Sorbus (U1) • Sycamore S5 (Not on plan, adjacent to S4).Formation of dominant stem. Removal of 2 stands. • Fell self-set sycamores (S1,S2,S3) • Reduction of hazel hedging back to previous cuts, approximately 2.5m in height removed (Located along boundary of 76 Valley Road).

    74 Valley Road Welwyn Garden City AL8 7DP

    Received 11 Sept 2018
  24. Decided - Granted6/2018/1316/EM

    Retrospective consent for the erection of a conservatory

    50 Woodland Rise Welwyn Garden City AL8 7LF

    Received 17 May 2018

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

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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.

Check collection coverage

More planning authorities in England

Browse all authorities