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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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/1111/LAWP

    Certificate of lawfulness following Prior Notification approval for 4.5m deep single storey rear extension

    8 Vicarage Close Northaw Potters Bar EN6 4NY

    Received 23 May 2017
  2. Decided - GrantedC6/1988/0474/FP

    Rear conservatory

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

    Received 1 Jan 1988
  3. Decided - Granted6/2022/1562/EM

    Proposal to block pave & widen the existing driveway to incorporate an existing footpath and area of lawn.

    16 Walden Road Welwyn Garden City AL8 7PF

    Received 4 Jul 2022
  4. Decided - Granted6/2022/0931/EMH

    Installation of a flood barrier to front door of property

    42 Haldens Welwyn Garden City AL7 1DB

    Received 20 Apr 2022
  5. Decided - GrantedN6/2013/1848/FP

    Erection of two storey rear extension

    6 Copperfields, Welwyn Garden City, AL7 2HH

    Received 22 Aug 2013
  6. Decided - Refused6/2023/2096/TPO

    Fell Cedrus tree (T1 ON SKETCH PLAN) in the front garden. Tree protected by TPO 912 (2018). Replace with crab apple tree.

    4 Robbery Bottom Lane Welwyn AL6 0UW

    Received 16 Oct 2023
  7. Decided - Refused6/2024/0402/HOUSE

    Installation of a wrap around canopy to the side and rear elevation

    27 Warwick Avenue Cuffley Potters Bar EN6 4RS

    Received 1 Mar 2024
  8. Decided - Granted6/2022/0752/PN8

    Prior approval for the erection a single storey rear extension measuring 6m in depth, with eaves height no greater than 3m.

    51 Boundary Lane Welwyn Garden City AL7 4EG

    Received 29 Mar 2022
  9. Decided - Refused6/2023/1325/LAWP

    Certificate of lawfulness for the erection of a conservatory

    72 Wellington Drive Welwyn Garden City AL7 2NB

    Received 27 Jun 2023
  10. Decided - Granted6/2019/0980/EM

    Erection of a single storey side and rear extension

    191 Handside Lane Welwyn Garden City AL8 6TE

    Received 23 Apr 2019
  11. Decided - Refused6/2019/1868/FULL

    Change of use from a mixed use retail shop (A1) and first floor dwelling (C3), to three dwellings including a single storey rear extension and the conversion of the loft with installation of two front

    4 Crawford Road Hatfield AL10 0PG

    Received 29 Jul 2019
  12. Decided - Granted6/2016/0162/LAWP

    Conversion of garage into new kitchen and bathroom

    8A Herneshaw Hatfield AL10 9DG

    Received 26 Jan 2016
  13. Decided - Refused6/2018/1584/HOUSE

    Erection of a two storey rear extension.

    61 Forresters Drive Welwyn Garden City AL7 2JA

    Received 12 Jun 2018
  14. Decided6/2026/0411/TC

    Reduce Crab Apple tree back to previous pruning points (around 0.5m).

    90 Handside Lane Welwyn Garden City AL8 6SN

    Received 5 Mar 2026
  15. Decided - Refused6/2026/0200/PIP

    Residential development of 2 units

    5 The Drive Ponsbourne Park Ponsbourne Park Hertford SG13 8QS

    Received 4 Feb 2026
  16. DecidedN6/2015/1270/NM

    Non material amendment following approval of planning permission N6/2014/2575/FP - retention of existing roof structure sloping down from FF previuosly removed and retention of flat roof structure previusly removed and raised. Alterations to rooflights. Alterations to detailing of dormer windows and increase in width to the bi-fold doors on rear west elevation

    13 Dudley Hill Close Welwyn AL6 0QQ

    Received 15 Jun 2015
  17. Decided - Split6/2020/2915/COND

    Submission of details pursuant to conditions 9 (off-site highway improvement works) and 10 (bin provision) on planning permission 6/2020/1890/VAR

    Entech House, London Road, Woolmer Green, SG3 6JE

    Received 9 Nov 2020
  18. Decided - Granted6/2019/0966/EM

    Reduce 1 x tree by 25%

    14 Dellcott Close Welwyn Garden City AL8 7BD

    Received 18 Apr 2019
  19. Decided - Granted6/2017/2502/EM

    Removal of section of wall in rear garden to accommodate tongue and groove gate to facilitate access to the rear of the property

    7 Salmon Close Welwyn Garden City AL7 1TR

    Received 27 Oct 2017
  20. Decided - Granted6/2022/1099/LAWP

    Certificate of lawfulness for the erection of a single storey side extension

    Coverack 50 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 11 May 2022
  21. Decided - Granted6/2024/0628/FULL

    Erection of nine dwellings, including access road, hard standing and fencing following the demolition of existing buildings

    Glendee Boarding Kennels Dixons Hill Close Welham Green Hatfield AL9 7EN

    Received 3 Apr 2024
  22. Decided - Granted6/2022/1396/HOUSE

    Erection of single storey rear extension and replacement garage

    134 Lemsford Lane Welwyn Garden City AL8 6YP

    Received 16 Jun 2022
  23. Appeal Decided - Dismissed6/2022/2266/HOUSE

    Erection of a part single storey/ part two storey side and rear extension, alterations to the roof including the re- design of the existing front dormer window and the insertion of two new front dormer windows

    19 The Avenue Welwyn AL6 0PW

    Received 29 Sept 2022
  24. Decided - Granted6/2021/1685/HOUSE

    Erection of ground floor rear and front extensions. Roof extension including installation of 3x roof lights and 2x dormers to create loft as habitable space.

    61 Moffats Lane Brookmans Park Hatfield AL9 7RT

    Received 26 May 2021

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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