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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
24,609Searchable applications
313Recorded as pending
86%Approval rate · 20,173 approved or refused records
2,787Refused applications

17,386 approved · 2,787 refused · 1,293 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/2311/EM

    Erection of a single storey rear extension

    505 Howlands Welwyn Garden City AL7 4HS

    Received 2 Dec 2024
  2. Appeal Decided - Allowed6/2020/2689/PN15

    The creation of a small secure compound area and the installation of 1no. telecommunications equipment container, a small electric meter cabinet and generator

    Cromer Hyde Cromer Hyde Farm Marford Road Lemsford Welwyn Garden City AL8 7XD

    Received 15 Oct 2020
  3. Decided - Granted6/2016/1667/HOUSE

    Erection of single storey front extension

    Nirvana, White Lodge Farm, Bulls Lane, Hatfield, AL9 7AZ

    Received 15 Aug 2016
  4. Appeal Decided - Dismissed6/2019/3201/LAWE

    Certificate of lawfulness for the existing use of motorcycle track

    Park Farm Northaw Northaw Road West Northaw EN6 4NS

    Received 20 Dec 2019
  5. Decided - Granted6/2018/0305/EM

    Fell 1 x Ash tree and reduce 1 x Ash tree back to previous (approx. 4m height) - conservation area

    6 Hawthorns Welwyn Garden City AL8 7SE

    Received 31 Jan 2018
  6. Decided - Granted6/2024/0801/HOUSE

    Erection of a two storey rear extension

    Woodlands Well Road Northaw Potters Bar EN6 4BN

    Received 29 Apr 2024
  7. Decided - Granted6/2016/0286/FULL

    Erection of extension at the rear of the building, to provide additional space to the existing restaurant, including a fenced plant enclosure

    Progress House, Shire Park, The Boulevard, Welwyn Garden City, AL7 1GB

    Received 22 Feb 2016
  8. Decided - Refused6/2022/0558/LB

    Erection of single storey rear extension to grade II listed property following partial demolition of existing double garage to single.

    The Old Vicarage Vineyards Road Northaw Potters Bar EN6 4NZ

    Received 7 Mar 2022
  9. Decided - Granted6/2023/1017/FULL

    Conversion of a single storey front extension used as a store into a self-contained residential flat

    Phoenix House 7 Wellfield Road Hatfield AL10 0BW

    Received 15 May 2023
  10. Decided - Granted6/2018/0528/HOUSE

    Erection of a two storey side and rear extension & front porch with internal alterations & refurbishment.

    31A Station Road Welham Green Hatfield AL9 7PQ

    Received 22 Feb 2018
  11. Decided - Granted6/2021/1103/HOUSE

    Erection of a double storey rear extension and partial conversion of existing garage

    1 Palmerston Close Welwyn Garden City AL8 7DL

    Received 6 Apr 2021
  12. Decided - Granted6/2025/0314/VAR

    Variation of conditions 6 (Ecology Statement) 7 (Arboricultural Report) and 12 (drawing numbers) on planning permission 6/2023/2565/FULL

    106 Harmer Green Lane Digswell Welwyn Hertfordshire AL6 0ET

    Received 19 Feb 2025
  13. Decided - Granted6/2019/3006/COND

    Submission of details pursuant to condition 2 (crown roof details) and condition 3 (biodiversity and external lighting) on planning permission 6/2019/0434/FULL

    101 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 28 Nov 2019
  14. Decided - Granted6/2021/1979/COND

    Submission of details pursuant to condition 28 (designated parking spaces for a car club), on planning permission 6/2019/1067/MAJ

    Hill-Top Neighbourhood Centre Hatfield AL10 8HZ

    Received 29 Jun 2021
  15. Decided - Granted6/2016/0665/FULL

    Change of use from amenity land to residential land to form hardstanding to incorporate 4 car parking spaces

    256 Heronswood Road, Welwyn Garden City, AL7 3JQ

    Received 12 Apr 2016
  16. Decided - Granted6/2017/2589/EM

    Reduce Euonymus Europaeus tree (T1) by 15 %

    11 Brockett Close Welwyn Garden City AL8 7BN

    Received 7 Nov 2017
  17. Decided - Granted6/2017/1614/EM

    Erection of a single storey rear extension

    7 Valley Road Welwyn Garden City AL8 7DG

    Received 25 Jul 2017
  18. Decided6/2023/1430/TC

    Fell 4 laburnum trees and 1 field maple on shared boundary due to ill health

    81 Handside Lane Welwyn Garden City AL8 6SH

    Received 10 Jul 2023
  19. Decided - Refused6/2020/2652/FULL

    Increase the height of the existing telecommunications mast by 5 metres.

    Lockley Farm, Welwyn Garden City, AL6 0BL

    Received 13 Oct 2020
  20. Decided - Granted6/2021/1639/EMT

    Lawson Cypress - fell

    18 Rooks Hill Welwyn Garden City AL8 6ET

    Received 21 May 2021
  21. Decided6/2023/1892/TC

    1 x Sycamore to reduce by approximately 2.5m in height and 2m in width, 1 x Oak to reduce by 1.5m in height and width

    26 Beehive Green Welwyn Garden City AL7 4BG

    Received 12 Sept 2023
  22. Decided - Granted6/2018/2048/EM

    Fell 1 x Silver Birch tree

    26 Dellcott Close Welwyn Garden City AL8 7BD

    Received 6 Aug 2018
  23. Decided6/2025/1253/TC

    1x Cherry Plum to cut back branches to clear driveway by 1.5m

    60 Handside Lane Welwyn Garden City AL8 6SJ

    Received 18 Jun 2025
  24. Decided - Granted6/2025/1728/PN15

    Erection of telecommunications equipment including a 20m monopole, 2 dishes, 12. Antenna apertures, 7 no. cabinets and development ancillary thereto replacing the existing equipment

    Bericot Way Welwyn Garden City AL7 2BQ

    Received 14 Aug 2025

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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