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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
26,814Searchable applications
304Recorded as pending
87%Approval rate · 22,070 approved or refused records
2,974Refused applications

19,096 approved · 2,974 refused · 1,430 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1947/HOUSE

    Erection of front porch extension and single storey rear outbuilding

    54 College Lane Hatfield AL10 9PQ

    Received 6 Aug 2019
  2. Decided6/2023/0580/TC

    Reduce crown of lime tree back to previous cut, no more than 8 feet

    128 Handside Lane Welwyn Garden City AL8 6SZ

    Received 14 Mar 2023
  3. Decided - Granted6/2025/1930/EM

    Installation of EV charger on front of house

    42 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 9 Sept 2025
  4. Decided - Granted6/2018/0204/EM

    Replace driveway and soft landscaping, erection of boundary wall and new front step into the dwelling

    42 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 23 Jan 2018
  5. Decided - Granted6/2025/1089/EM

    Replace the existing timber windows. Most of the windows are timber sash and we plan to replace them with uPVC sash windows. There are also two small non-sash windows on the side of the house and we plan to replace these with uPVC casement windows

    8 Dognell Green Welwyn Garden City AL8 7BL

    Received 9 Jun 2025
  6. Decided - Granted6/2023/0562/EM

    Removal of privet hedge

    3 Rosedale Welwyn Garden City AL7 1DW

    Received 13 Mar 2023
  7. Decided - Withdrawn6/2024/1648/LAWP

    Certificate of lawfulness for the erection of oak framed outbuilding comprising of home office and gym space

    Jabez Cottage Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD

    Received 29 Aug 2024
  8. Decided - Granted6/2024/0283/FULL

    Part change of use of residential dwelling to enable a children's day nursery with managers accommodation

    115 Dixons Hill Road Welham Green Hatfield AL9 7EE

    Received 12 Feb 2024
  9. Decided - Granted6/2016/2589/COND

    Approval of details reserved by condition 3 (Materials) and condition 15 (External Lighting) on planning permission S6/2014/2178/FP

    Land to rear of 19-21 Furzen Crescent, Hatfield, AL10 9QN

    Received 5 Dec 2016
  10. Decided - Granted6/2025/1428/TPO

    TPO 521 (2016) T1 Trim one side of the tree on the side facing the house to trim about 1.5 meters off.

    7 Hurst Close Welwyn Garden City AL7 2HX

    Received 7 Jul 2025
  11. Decided - Granted6/2025/1546/EMT

    1 x Hawthorn to remove in sections to ground level. Crown has split apart, the remaining section of tree is decayed and being held together by rope (retrospective as Dead and Dangerous)

    10 Walden Road Welwyn Garden City AL8 7PF

    Received 17 Jul 2025
  12. Decided - Granted6/2018/0623/EM

    Erection of a single storey rear extension

    64 Hall Grove Welwyn Garden City AL7 4PH

    Received 1 Mar 2018
  13. Decided - Granted6/2019/1852/HOUSE

    Erection of single storey rear extension, front porch and conversion of garage into habitable space

    66 Cornflower Way Hatfield AL10 9FY

    Received 29 Jul 2019
  14. Decided - Granted6/2026/0897/EMT

    T1 Ash, closest to the rear gate to fell and stump poison. No replant. T2 Ash, clear from overheads and structures (sheds) by 2m.

    3 Howicks Green Welwyn Garden City AL7 4RJ

    Received 20 May 2026
  15. Decided - Granted6/2022/0708/HOUSE

    Proposed single storey rear corner extension

    58 Briars Lane Hatfield AL10 8ET

    Received 21 Mar 2022
  16. Decided - Granted6/2020/1018/HOUSE

    Erection of a single storey side extension and garage conversion.

    48 Poppyfields Welwyn Garden City AL7 2HJ

    Received 6 May 2020
  17. Decided - Granted6/2022/1184/EM

    Retrospective application for the installation of wooden decking with half enclosed shelter

    65 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 23 May 2022
  18. Decided - Granted6/2022/1970/FULL

    Creation of a fenced storage compound and the installation of 2 x secure storage containers and 2 x skips

    Telephone Exchange French Horn Lane Hatfield AL10 8AG

    Received 24 Aug 2022
  19. Decided - Granted6/2023/1309/EM

    Replacement of rear french doors with bi-fold doors

    7 West Mead, Welwyn Garden City, AL7 4SA

    Received 22 Jun 2023
  20. Decided - Granted6/2018/0870/HOUSE

    Erection of a single storey rear extension & partial garage conversion

    22 Uplands Welwyn Garden City AL8 7EW

    Received 3 Apr 2018
  21. Decided - Refused6/2016/2492/HOUSE

    Erection of a first floor front and side extension, single storey rear extension following demolition of existing conservatory and rear dormer.

    37 The Grove Brookmans Park Hatfield AL9 7RL

    Received 23 Nov 2016
  22. Decided - Granted6/2020/2567/FULL

    Change of use from doctors surgery to 4 bedroom house

    106 Haldens Welwyn Garden City AL7 1DF

    Received 30 Sept 2020
  23. Appeal Decided - Dismissed6/2020/0549/FULL

    Erection of 1x dwelling following demolition of all buildings on site

    Tanum Farm Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 26 Feb 2020
  24. Decided6/2021/1581/TC

    1 x Eucalyptus to reduce by 3m height & 2.5m width.

    45 Mill Green Road Welwyn Garden City AL7 3UX

    Received 18 May 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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