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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
23,817Searchable applications
313Recorded as pending
86%Approval rate · 19,479 approved or refused records
2,713Refused applications

16,766 approved · 2,713 refused · 1,233 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1748/TPO

    Two Hornbeam trees in the back garden of property one to the right and one to the left are cut back every two years by 25 to 30% by tree surgeon TPO 639

    8 Bluebells Welwyn AL6 0XD

    Received 10 Sept 2024
  2. Decided - Refused6/2020/0797/EM

    Erection of a single storey rear extension

    236 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 30 Mar 2020
  3. Decided - Granted6/2021/0375/EM

    Erection of 3ft fence either side of garden

    31 Great Break Welwyn Garden City AL7 3EZ

    Received 5 Feb 2021
  4. Decided - Granted6/2018/2723/COND

    Submission of details pursuant to condition 6 (renewable technologies) on planning permission 6/2018/0337/FULL

    7 Lanercost Close Welwyn AL6 0RW

    Received 23 Oct 2018
  5. Decided6/2025/0044/TC

    Reduce 1 x Horse Chestnut by 20% of crown volume and remove epicormic growth from trunk Reduce 1 x Apple by 20% of crown volume, prune harder on left to balance crown

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 13 Jan 2025
  6. Decided - Withdrawn6/2020/2969/PN8

    Prior approval for ground floor flat roof rear extension measuring 5m in depth, 3m in height and 2.8m to the eaves

    56 Honeysuckle Gardens Hatfield AL10 8PJ

    Received 10 Nov 2020
  7. Decided - Withdrawn6/2019/0557/EM

    Alterations to front paving

    174 Daniells Welwyn Garden City AL7 1QW

    Received 11 Mar 2019
  8. Under Consideration6/2026/1455/COND

    Submission of details pursuant to Condition 4 (Verification Report) on planning permission 6/2022/2759/FULL

    5610 Gypsy Moth Avenue Hatfield Business Park Hatfield AL10 9BS

    Received 18 Aug 2026
  9. Appeal Decided - Allowed6/2016/2641/ADV

    Installation of fascia signage and projecting sign

    16 Howardsgate Welwyn Garden City AL8 6BQ

    Received 12 Dec 2016
  10. Decided - Granted6/2017/0324/HOUSE

    Replacement roof to include increase in ridge height and the addition of front and rear dormers to provide first floor accommodation. Erection of a front porch, a conservatory and a two storey side extension following demolition of existing garages.

    14A Huggins Lane Welham Green Hatfield AL9 7LR

    Received 20 Feb 2017
  11. Decided - Granted6/2026/1057/EMT

    Leyland Cypress hedge to reduce to around fence height. 1 x Apple to reduce by approximately 2.5m height and width.

    8 Rollswood Welwyn Garden City AL7 4DG

    Received 17 Jun 2026
  12. Decided6/2025/1724/TC

    Reduce all trees by 33% along the southern border of the garden: Hornbeam x 2; Oak x 1; Cherry X 3; Silver Birch X 2; Beech X 1

    1 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 13 Aug 2025
  13. Decided - Granted6/2020/2026/EMH

    Erection of a single storey rear extension, single storey front extension, and part garage conversion

    133 Oakdale Welwyn Garden City AL8 7QS

    Received 12 Aug 2020
  14. Decided - Granted6/2018/0259/EM

    Erection of single storey rear extension, which is to form shared party wall of 12 Moorend.

    13 Moorend Welwyn Garden City AL7 4QL

    Received 25 Jan 2018
  15. Decided - Granted6/2020/2918/LAWE

    Certificate of lawulness for the existing building which has been used as a C4 small HMO since before the Article 4 Direction came into effect

    108 Aldykes Hatfield AL10 8EE

    Received 9 Nov 2020
  16. Decided - Granted6/2016/2740/EM

    Removal of Two Sycamore trees and erection of tree house (less than 2.5 metres high) in the rear garden within 2 metres from the boundary.

    9 Brockett Close Welwyn Garden City AL8 7BN

    Received 29 Dec 2016
  17. Decided - Granted6/2022/0478/HOUSE

    Erection of single storey rear extension with insertion of roof lights. Removal of front hedges and new hedges to boundary and one additional parking space.

    58 Lemsford Lane Welwyn Garden City Hertfordshire AL8 6YJ

    Received 1 Mar 2022
  18. Decided - Granted6/2026/0854/EM

    Replace the existing front boundary hedge with a new, well-maintained evergreen hedge to improve the appearance of the property and enhance biodiversity within the street scene.

    175 Blythway Welwyn Garden City AL7 1DS

    Received 14 May 2026
  19. Decided6/2024/1134/TC

    1x Cherry to remove to ground level - Tree is dying. 1x Cherry plum to reduce by 2m height and 1m width - to maintain size. 1x blue spruce to remove limb growing over hedge back to main trunk.

    5 Handside Green Welwyn Garden City AL8 6SQ

    Received 18 Jun 2024
  20. Decided - Granted6/2019/0390/FULL

    Change of use to allow for flexible use class of A1, A2, A3, D1 and D2

    Former Poppin Unit 66 Howardsgate Welwyn Garden City AL8 6BP

    Received 20 Feb 2019
  21. Decided - Granted6/2020/1928/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 2.9m in height and 2.9m to the eaves

    35 Veritys Hatfield AL10 8HH

    Received 30 Jul 2020
  22. Decided - Withdrawn6/2015/2417/FULL

    Erection of single storey entrance lobby extension

    1 Falcon Way, Welwyn Garden City, AL7 1TW

    Received 4 Dec 2015
  23. Appeal Decided - Dismissed6/2017/2467/FULL

    Erection of 2 x 4-bedroom dwellings with detached garages, following demolition of existing buildings and structures

    50 Wild Hill Hatfield AL9 6DS

    Received 25 Oct 2017
  24. Decided - Granted6/2025/1616/TPO

    TPO 1021 (2020) Oak to fell and not replant (subsidence)

    33 Barnfield Road Welwyn Garden City AL7 3TQ

    Received 28 Jul 2025

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.

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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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