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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
21,486Searchable applications
298Recorded as pending
86%Approval rate · 17,381 approved or refused records
2,468Refused applications

14,913 approved · 2,468 refused · 1,101 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2017/1522/TPO

    Fell Leylandii tree - Conservation Area

    3 Youngs Rise Welwyn Garden City AL8 6RT

    Received 13 Jul 2017
  2. Decided - Granted6/2018/0453/HOUSE

    Erection of a rear conservatory.

    4 Cotters Croft Welwyn Garden City AL7 4AZ

    Received 14 Feb 2018
  3. Decided - Granted6/2018/1233/HOUSE

    Erection of a two storey rear extension, front porch, single storey front and rear extensions to existing garage and single storey side extension

    7 Georges Wood Road Brookmans Park Hatfield AL9 7BY

    Received 9 May 2018
  4. Decided - Withdrawn6/2017/2869/EM

    Extension of hand standing to include one additional car parking space.

    Land to the front of 252, 254, 256 and 258 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 11 Dec 2017
  5. Decided - Withdrawn6/2025/1684/EM

    Replace windows and secondary double glazing with UPVC double glazing (Like for like) and replace the living room windows with French doors

    117 Knightsfield Welwyn Garden City AL8 7JD

    Received 5 Aug 2025
  6. Decided - Granted6/2022/1293/EM

    Removal of garage door and replace with (matching existing) window

    379 Howlands Welwyn Garden City AL7 4HN

    Received 1 Jun 2022
  7. Decided - Granted6/2019/2669/VAR

    Variation of condition 2 (approved plans and details) on planning permission S6/2015/0213/FP

    40 Pine Grove Brookmans Park Hatfield AL9 7BS

    Received 23 Oct 2019
  8. Decided - Withdrawn6/2023/1869/TPO

    Reduce 1 x Corsican Pine to ground level covered by TPO62 T5 due to decline, deadwood accumulation, poor form and reduced amenity.

    16 Wendover Drive Welwyn AL6 9LT

    Received 7 Sept 2023
  9. Appeal Decided - Dismissed6/2023/1748/FULL

    Conversion of a stable block into dwelling

    Northaw Brook Meadow Coopers Lane Road Northaw EN6 4FB

    Received 18 Aug 2023
  10. Decided - Granted6/2020/2334/EMT

    Fell a wild Sycamore tree

    6 Pentley Close Welwyn Garden City AL8 7SH

    Received 11 Sept 2020
  11. Decided - Refused6/2022/0045/TPO

    T1 - Oak: To reduce height & width by 2.5 to 3 meters To prevent the overshadowed garden from becoming more so. This tree has been heavily reduced in the past and now has about 5 meters of regrowth from the previous pruning points.

    5 Reddings Welwyn Garden City AL8 7LA

    Received 7 Jan 2022
  12. Decided - Granted6/2021/0745/HOUSE

    Erection of a part single, part double storey rear extension, first floor front extension with the inclusion of a new front porch and conversion of garage into a home office. Rendering of external walls.

    18 Canonsfield Welwyn AL6 0QD

    Received 8 Mar 2021
  13. Decided - Granted6/2023/0325/COND

    Submission of details pursuant to condition 2 PART A (Archaeological Written Scheme of Investigation) on planning permission 6/2019/2431/MAJ

    Link Drive Car Park Link Drive Hatfield AL10 8TY

    Received 9 Feb 2023
  14. Decided6/2019/2114/TC

    1 x Lime to reduce by 50% (re pollard to previous pruning points)

    14 The Old Drive Welwyn Garden City AL8 6TB

    Received 27 Aug 2019
  15. Decided - Granted6/2019/2922/HOUSE

    Erection of single storey rear extension

    97 Sweet Briar Welwyn Garden City AL7 3EB

    Received 20 Nov 2019
  16. Decided - Granted6/2021/0923/EM

    Retention of summerhouse

    4 Little Lake Welwyn Garden City AL7 4RT

    Received 22 Mar 2021
  17. Decided - Refused6/2017/1825/EM

    Extension of existing driveway and alterations to existing front door steps

    1 Coneydale Welwyn Garden City AL8 7RX

    Received 14 Aug 2017
  18. Decided - Granted6/2018/1560/FULL

    Retention of change of use to fixed catering unit with operating hours of 06.00-16.00 Monday to Saturday

    Siting of mobile snack Bar At Car Park At 1 Bessemer Road Welwyn Garden City AL7 1GF

    Received 12 Jun 2018
  19. Decided - Refused6/2020/2153/PN8

    Prior approval for proposed single storey rear extension to existing residential house.

    53 Clover Way Hatfield AL10 9FN

    Received 24 Aug 2020
  20. Decided - Refused6/2025/0342/COND

    Submission of details pursuant of condition 10 (Delivery of Accessible Housing), 19 (Balcony Screens), 22 (Bird & Bat Boxes) on planning permission 6/2020/3222/MAJ

    Beadles Volkswagen Van Centre Harpsfield Broadway Hatfield Hertfordshire AL10 9TF

    Received 24 Feb 2025
  21. Decided - Withdrawn6/2021/3400/PN11

    Prior approval for conversion of vacant offices to residential use

    31A Howardsgate Welwyn Garden City AL8 6AP

    Received 3 Dec 2021
  22. Decided - Granted6/2019/1290/HOUSE

    Erection of first floor front extension and insertion of roof light

    22 Bramble Road Hatfield AL10 9SA

    Received 31 May 2019
  23. Decided - Granted6/2023/1974/EM

    Erection of a single storey rear extension, raising of existing garage roof and insertion of rooflight

    35 Sherrardspark Road Welwyn Garden City AL8 7JY

    Received 25 Sept 2023
  24. Decided - Refused6/2021/3353/HOUSE

    Erection of a single storey front and side extension following conversion of garage into a habitable space.

    49 Mulberry Mead Hatfield AL10 9EH

    Received 29 Nov 2021

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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    Planning application documents: what to read first

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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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