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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
22,769Searchable applications
313Recorded as pending
86%Approval rate · 18,520 approved or refused records
2,608Refused applications

15,912 approved · 2,608 refused · 1,178 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2022/0425/EIA

    Request for screening opinion

    Land at South Way, Hatfield

    Received 23 Feb 2022
  2. Decided - Granted6/2026/0918/LAWP

    Certificate of lawfulness for the proposed erection of single storey rear extension

    2 Corner View Welham Green Hatfield AL9 7DH

    Received 22 May 2026
  3. Decided - Granted6/2019/1665/MAJ

    Part retention of ground and basement level retail and retail storage (A1 use) with the first floor converted and extended from retail storage (A1 use) to four storeys of 47no student flats (C2 use) and associated ground floor cycle and refuse storage

    41-43 Town Centre, Hatfield, AL10 0JJ

    Received 13 Jun 2019
  4. Decided - Granted6/2020/0748/FULL

    Subdivision of existing 6-bedroom HMO into 2 flats with associated cycle and refuse storage

    24 High Dells Hatfield AL10 9HU

    Received 18 Mar 2020
  5. Decided - Granted6/2025/0201/PN6

    Prior approval for a 3m x 810m track road

    Woodside Farm Woodside Hatfield AL9 6BL

    Received 6 Feb 2025
  6. Decided - Granted6/2024/0284/HOUSE

    Erection of a single storey side and rear extension, following the demolition of existing garage

    63 Northaw Road East Cuffley Potters Bar EN6 4LY

    Received 12 Feb 2024
  7. Decided6/2025/1814/TC

    Apple to reduce by 2.5meters in height and width (back to previous), thin canopy by approximately 20%

    159 Handside Lane Welwyn Garden City AL8 6TA

    Received 27 Aug 2025
  8. Decided - Granted6/2018/0901/EM

    Erection of single storey rear extension including installation of 1 x roof light

    38 Furzefield Road Welwyn Garden City AL7 3RJ

    Received 29 Mar 2018
  9. Decided - Granted6/2024/1266/LAWP

    Certificate of lawfulness for the removal of chimney stack at roof level and insertion of window at rear

    53 Broomhills Welwyn Garden City AL7 1RE

    Received 5 Jul 2024
  10. Decided6/2022/0568/TC

    T1 - fell 1 x fir tree to ground level, a few large limbs fell in the winds - tree is too big for where it’s located.

    23 Colgrove Welwyn Garden City AL8 6HY

    Received 10 Mar 2022
  11. Decided - Granted6/2019/0349/HOUSE

    Erection of single storey side and rear extensions

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 14 Feb 2019
  12. Decided - Granted6/2022/2453/HOUSE

    Single storey front extension, following demolition of existing attached front garage

    52 The Ryde Hatfield AL9 5DL

    Received 24 Oct 2022
  13. Decided - Granted6/2018/0879/EM

    Erection of two storey rear extension including installation of side dormer and alterations to openings

    9 Ashley Close Welwyn Garden City AL8 7LH

    Received 3 Apr 2018
  14. Decided - Granted6/2020/2004/HOUSE

    Erection of a front Porch

    27 Waterbeach Welwyn Garden City AL7 2PT

    Received 11 Aug 2020
  15. Decided - Granted6/2017/2363/HOUSE

    Erection of a single storey rear extension

    33 Crossway Welwyn Garden City AL8 7ED

    Received 13 Oct 2017
  16. Decided - Granted6/2022/2179/EMT

    1 x Ginko to reduce by 1.5m in height and approximately 0.5m in width 1 x Parisian ironwood to reduce by 0.5m in width. reduce any overlong vertical branches back to shape 1 x Mop head Robinia to reduce by no more than 1m, remove deadwood. 1 x Crab Apple to reduce by 1.2m and balance crown. 1 x Silver Birch to reduce lateral branches growing over 4 High Grove by 2m up to a height of 7M ABOVE GROUND LEVEL

    6 Dognell Green, Welwyn Garden City, AL8 7BL

    Received 20 Sept 2022
  17. Decided - Granted6/2020/1839/ADV

    Installation of replacement window vinyls

    32-36 High View Hatfield AL10 8HZ

    Received 27 Jul 2020
  18. Decided - Granted6/2018/0919/EM

    Cut back lower growth, remove crossing branches, lift and cut back over carpark of 1 x Cherry tree by 1m, remove any crossing branches and reduce crown of 1 x Pear tree by 15 % and reduce 1 x Apple tree by around 1.5-2m and cut back overhang over carpark by around 1m

    5 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 9 Apr 2018
  19. Decided - Granted6/2020/1811/HOUSE

    Erection of single storey rear extension, new outbuilding and pergola following removal of existing conservatory and outbuilding.

    9 Eastor Welwyn Garden City AL7 1PN

    Received 23 Jul 2020
  20. Decided - Granted6/2018/0505/TPO

    Reduce 2 x Sweet Chestnut trees (T1 and T2) to 4m - Covered by TPO 39 (1978)

    9 Jenning Wood Welwyn AL6 0SL

    Received 19 Feb 2018
  21. Decided - Granted6/2024/0114/LAWP

    Certificate of lawfulness for garage conversion including alterations to openings

    58 Carleton Rise Welwyn AL6 9RG

    Received 22 Jan 2024
  22. Decided6/2018/0240/EM

    Reduce 1 x crab apple tree to 3m and reduce 1 x walnut tree by 4m height & width

    55 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 25 Jan 2018
  23. Decided - Withdrawn6/2021/3344/LAWE

    Certificate of Lawfulness for the existing conservatory

    2 Barlow Close Hatfield AL10 9GZ

    Received 26 Nov 2021
  24. Decided - Granted6/2019/0111/EM

    Replacement of windows

    16 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 21 Jan 2019

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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