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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
23,346Searchable applications
313Recorded as pending
86%Approval rate · 19,052 approved or refused records
2,666Refused applications

16,386 approved · 2,666 refused · 1,205 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Under Consideration6/2026/0787/FULL

    Change of use of agricultural land to a private, secure dog walking paddock, erection of fencing, provision of an open-sided field shelter and associated ancillary features

    Land at suttons Farm Woodcock Hill Coopers Green St Albans

    Received 6 May 2026
  2. Decided - Granted6/2021/0357/PN27

    Prior approval of the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of approximately 8.08m in height

    8 Elmoor Close Welwyn AL6 9PF

    Received 29 Jan 2021
  3. Decided - Granted6/2021/0138/EM

    Temporary screen fencing to garden boundary to accompany replacement of the boundary hedge.

    65 Valley Road Welwyn Garden City AL8 7DR

    Received 18 Jan 2021
  4. Decided - Granted6/2022/2265/EM

    Erection of porch to front of house

    1 The Croft Welwyn Garden City AL7 4JY

    Received 29 Sept 2022
  5. Decided - Granted6/2023/0364/EM

    Erection of a part single part double storey rear extension following the demolition of conservatory with erection of a single storey side extension to replace existing

    28 Elmwood Welwyn Garden City AL8 6LE

    Received 16 Feb 2023
  6. Decided - Granted6/2023/2152/EMT

    Side reduce by 30%, one mature Oak tree away from building to give 2m clearance

    1 Asquith House Guessens Road Welwyn Garden City AL8 6QA

    Received 23 Oct 2023
  7. Decided - Granted6/2022/0762/EM

    Formation of new permeable layer on driveway with the installation of 3 phase electric supply to house and potting shed from Valley Road.

    30 Youngs Rise Welwyn Garden City AL8 6RU

    Received 29 Mar 2022
  8. Decided - Granted6/2021/0193/EM

    Replacement front door

    117 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 21 Jan 2021
  9. Decided - Granted6/2022/1203/EMT

    1 x Field Maple to reduce height to approximately 1.5m above ground level. The tree is subsiding due to large trunk cavity. The tree is leaning over a public footpath

    13 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 24 May 2022
  10. Decided6/2024/2409/TC

    1 x Corkscrew willow: crown reduction - 2m from height and 1m from width 1 x Pittosporum: remove to ground level

    40 Attimore Road Welwyn Garden City AL8 6LP

    Received 19 Dec 2024
  11. Decided - Refused6/2024/1228/PN10

    Prior approval for a change of use of an agricultural building to 10 dwellinghouses together with building operations reasonably necessary to convert the building

    2006 Barn Park Farm Northaw Road West Northaw EN6 4NT

    Received 28 Jun 2024
  12. Decided - Granted6/2023/2164/TPO

    T2 Oak tree to fell 2 dead trunks. TPO 899 (2019) T2.

    6 Leefe Way Cuffley Potters Bar EN6 4DF

    Received 24 Oct 2023
  13. Decided - Refused6/2021/3339/HOUSE

    Erection of a first floor side extension

    30 Bacons Drive Cuffley Potters Bar EN6 4DU

    Received 26 Nov 2021
  14. Decided - Granted6/2018/1041/FULL

    Erection of a detached 3-bedroom dwelling

    105 Great North Road Hatfield AL9 5LR

    Received 19 Apr 2018
  15. Under Consideration6/2026/1578/EM

    Erection of single storey rear extension to partially replace existing extension

    1 The Orchard Welwyn Garden City AL8 7PL

    Received 10 Sept 2026
  16. Decided - Refused6/2025/0294/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.40m in height and 3m to the eaves

    10 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 18 Feb 2025
  17. Decided - Granted6/2026/0685/COND

    Submission of details pursuant to Condition 14 (ii) (sound insulation and attenuation scheme) and (iii) (Performance report of scheme) on planning permission 6/2015/2213/MAJ

    Times Square (former Xerox Campus) Bessemer Road Welwyn Garden City AL7 1GP

    Received 16 Apr 2026
  18. Decided - Granted6/2018/3230/COND

    Submission of details pursuant to condition 2 (cycle parking), 4 (parking bays) and 5 (storage for prams/buggies) on planning permission 6/2018/0680/FULL

    74 Harmer Green Lane Welwyn AL6 0EJ

    Received 19 Dec 2018
  19. Decided - Granted6/2019/0651/HOUSE

    Erection of first floor side extension

    11 Chantry Lane Hatfield AL10 9HS

    Received 19 Mar 2019
  20. Decided - Refused6/2020/2119/PN8

    Prior approval for the erection of a single storey rear extension 6m in depth, 3.7m in height and 2.7m eaves height

    24 Worcester Road Hatfield AL10 0DX

    Received 12 Aug 2020
  21. Decided - Granted6/2023/2458/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth,4m in height and 2.84m to the eaves with a pitched roof

    1 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 6 Dec 2023
  22. Decided - Granted6/2025/0250/HOUSE

    Erection of single storey side & rear extensions and alterations to roof to provide front and rear dormers and front gable

    25 Kingswell Ride Cuffley Potters Bar EN6 4LH

    Received 12 Feb 2025
  23. Decided - Granted6/2023/0604/COND

    Submission of details pursuant to condition number 10 (Car Parking Management Plan) on planning permission 6/2021/1987/VAR

    1 Town Centre Hatfield AL10 0JZ

    Received 17 Mar 2023
  24. Decided - Granted6/2021/3526/HOUSE

    Erection of a two storey front extension, and single storey, part two storey rear extension

    59 Wellfield Road Hatfield AL10 0BY

    Received 21 Dec 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

All planning guides

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    Planning application documents: what to read first

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    Planning permission drawings: how to read plans

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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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