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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1509/LAWE

    Retention of area of loose laid stone

    5 Oakwell Drive Northaw Potters Bar Hertfordshire EN6 4EZ

    Received 28 Jun 2022
  2. Decided - Granted6/2022/0920/EM

    Erection of single storey rear extension

    75 Broomhills, Welwyn Garden City, AL7 1RE

    Received 19 Apr 2022
  3. Decided - Granted6/2016/0976/EM

    Reduce and shape crowns plus prune out dead wood on two Ash trees, T1 & T2, reduce Oak tree T3 overhang by 3m. Removal of Sophora tree T4 and reduce Walnut tree T8 by 2m

    34 High Oaks Road, Welwyn Garden City, AL8 7BH

    Received 18 May 2016
  4. Decided - Refused6/2022/2126/HOUSE

    Erection of a two storey front extension

    42 Parsonage Lane Welham Green Hatfield Hertfordshire AL9 7LU

    Received 13 Sept 2022
  5. Decided - Granted6/2026/0886/EM

    New patio decking area and alterations to openings

    9 Monks Rise Welwyn Garden City AL8 7NF

    Received 19 May 2026
  6. Decided - GrantedW6/2009/1271/EM

    REPLACEMENT AND EXTENSION TO EXISTING HARDSTANDING

    2 THE LIMES, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BD

    Received 15 Jun 2009
  7. Decided - Refused6/2018/2889/EM

    Installation of 1x rear dormer window to existing loft conversion

    348 Howlands Welwyn Garden City AL7 4HD

    Received 9 Nov 2018
  8. Decided - Granted6/2019/1270/HOUSE

    Erection of a single storey rear extension

    6 Hazel Close Digswell Welwyn AL6 0DJ

    Received 29 May 2019
  9. Decided - Granted6/2025/1662/EM

    Replacement of diseased Box hedge at pavement boundary and of mixed hedge (Privet / Yew / Ivy) at left hand boundary of front garden

    30 Guessens Road Welwyn Garden City AL8 6RA

    Received 1 Aug 2025
  10. Under Consultation6/2026/1748/HOUSE

    Alterations and raising the ridge height to create a crown roof with front and rear dormer windows

    18 Bell Lane Brookmans Park AL9 7AY

    Received 1 Oct 2026
  11. Decided6/2020/0761/TC

    Fell 1x Sycamore Tree (T1) Fell 1x Plum Tree (T2) Replace with laurel hedging

    2 High Grove Welwyn Garden City AL8 7DW

    Received 20 Mar 2020
  12. Decided - Refused6/2022/2607/HOUSE

    Loft extension with installation of front & rear dormer windows

    3 Wendover Drive Welwyn AL6 9LT

    Received 15 Nov 2022
  13. Decided - GrantedS6/2008/0353/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    43 TOLMERS ROAD, CUFFLEY, POTTERS BAR, HERTS, EN6 4JG

    Received 20 Feb 2008
  14. Decided - Granted6/2021/2476/LAWP

    Certificate of lawfulness for the erection of a single storey ground floor rear extension.

    47 The Pastures Hatfield AL10 8PF

    Received 24 Aug 2021
  15. Decided - Granted6/2026/0605/EMT

    Tree 1 False Acacia to fell Tree 2 False Acacia reduced by 30%

    293 Knightsfield Welwyn Garden City AL8 7NH

    Received 7 Apr 2026
  16. Decided - Granted6/2016/2263/LAWP

    Certificate of lawfulness for the replacement of metal framework and glazing to 26 flat balconies

    81-91, 82-92, 93-103, 105-125, 106-116, 117-127, 94-104 Upperfield Road Welwyn Garden City AL7 3LW

    Received 25 Oct 2016
  17. Decided - GrantedN6/2013/0450/FP

    Installation of 4 security lighting poles with CCTV cameras

    Land at, Whitehill Car Park, Whitehill, WELWYN

    Received 26 Feb 2013
  18. Decided - GrantedS6/2007/1455/FP

    ALTERATIONS TO ROOF INCORPORATING REAR DORMER WINDOW

    5 Broad Acres Hatfield AL10 9LE

    Received 3 Oct 2007
  19. Decided - Granted6/2020/0759/COND

    Submission of details pursuant to condition 1 (approved scheme of remediation) on planning permission 6/2019/1873/FULL

    Former Swallowfields Garage Swallowfields Welwyn Garden City AL7 1JD

    Received 19 Mar 2020
  20. Decided - GrantedN6/2004/1175/FP

    ERECTION OF TWO STOREY REAR EXTENSION AND FIRST FLOOR EXTENSION TO EXISTING BUNGALOW

    4 Copse Hill Welwyn AL6 0RY

    Received 2 Aug 2004
  21. Decided - GrantedN6/2004/0721/FP

    ERECTION OF REPLACEMENT PORCH

    10 Whetstone Close Welwyn AL6 0QW

    Received 13 May 2004
  22. Decided - Withdrawn6/2019/0507/LAWP

    Certificate of lawfulness for erection of side extension

    22 Briars Close Hatfield AL10 8DQ

    Received 4 Mar 2019
  23. Decided - Granted6/2017/1388/EM

    Fell existing Eucalyptus tree

    7 Handside Lane Welwyn Garden City AL8 6SE

    Received 14 Jun 2017
  24. Decided6/2022/1316/TC

    1 x Beech to reduce by approximately 2m height & width. Lift to 3m above ground level.

    8-14 Digswell Lodge Digswell Rise Welwyn Garden City Hertfordshire AL8 7NU

    Received 7 Jun 2022

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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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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