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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
21,938Searchable applications
296Recorded as pending
86%Approval rate · 17,787 approved or refused records
2,524Refused applications

15,263 approved · 2,524 refused · 1,132 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/2254/LAWP

    Certificate of lawfulness for change of use from residential dwelling to a children's home for up to one child with a manager, one day carer and one overnight carer working on a rota basis.

    7 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 23 Oct 2025
  2. Decided6/2020/2276/TC

    Reduce 1 x Holly by 40%, fell dead Cotoneaster shrub from front garden, reduce 1 x Magnolia by 50% in front garden of 8 Youngs Rise, all covered by conservation area

    6 Youngs Rise Welwyn Garden City AL8 6RU

    Received 7 Sept 2020
  3. Decided - Granted6/2021/0683/EM

    Alterations to fenestration and roof of the existing conservatory

    193 Thistle Grove Welwyn Garden City AL7 4AG

    Received 2 Mar 2021
  4. Decided6/2023/1978/TC

    T1 Silver birch to dismantle in sections to ground level as tree is dead

    59 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 26 Sept 2023
  5. Decided - Refused6/2024/0562/LAWP

    Certificate of lawfulness for erection of a double garage

    1 Bacons Drive Cuffley Potters Bar EN6 4EF

    Received 21 Mar 2024
  6. Decided - Refused6/2025/0630/COND

    Submission of details pursuant to Condition 4 (Site Waste Management Plan), Condition 7 (i-Ground Investigation, ii- Risk Assessment, iii- Method Statement) on planning permission 6/2022/2317/MAJ

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 1 Apr 2025
  7. Decided - Granted6/2019/1041/LAWP

    Certificate of lawfulness for conversion of loft to habitable accommodation

    8 Garden Road Woolmer Green Knebworth SG3 6JZ

    Received 29 Apr 2019
  8. Decided - Granted6/2024/0431/HOUSE

    Erection of new electric entrance gates

    45 New Road Digswell Welwyn AL6 0AQ

    Received 5 Mar 2024
  9. Decided - Granted6/2025/0247/COND

    Submission of details pursuant to condition 2 (hard and soft landscaping) on planning permission 6/2022/1754/FULL and amended at 6/2024/0837/VAR

    Old Maypole House 43 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 11 Feb 2025
  10. Decided - Refused6/2018/1737/HOUSE

    Installation of front garden dwarf wall with steel railings and electric gates including relocation of the existing entrance and existing drop kerbs

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 2 Jul 2018
  11. Decided - Granted6/2023/2437/LAWP

    Certificate of lawfulness for the proposed erection of front porch and alterations to openings to front elevation

    3 Talbot Road Hatfield AL10 0QX

    Received 4 Dec 2023
  12. Appeal Decided - Withdrawn6/2017/0420/FULL

    Subdivision of existing single dwelling into two dwellings and erection of two porches following partial demolition of existing porch.

    10 Hawkshead Lane, North Mymms, Hatfield, AL9 7TB

    Received 6 Mar 2017
  13. Decided - Granted6/2018/3217/FULL

    Installation of 1x new microsilica slurry storage tank

    Sika Limited Watchmead Welwyn Garden City AL7 1BQ

    Received 18 Dec 2018
  14. Decided - Granted6/2025/2487/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 2.88m in height and 2.58m to the eaves

    1 Jasmine Gardens Hatfield AL10 0BQ

    Received 28 Nov 2025
  15. Decided - Granted6/2023/1508/EM

    Erection of a a single storey rear extension with a flat roof and glazed roof lantern. Retrospective consent for replacement roof tiles and replacement first floor rear windows.

    25 Wren Wood Welwyn Garden City AL7 1QF

    Received 19 Jul 2023
  16. Decided - Granted6/2021/0858/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension and insertion of 2 x roof lights into the proposed pitched roof

    30 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 17 Mar 2021
  17. Decided - Granted6/2017/2013/FULL

    Conversion of 1 x 5-bedroom detached house into 2 x two bedroom flats

    13 Tolmers Gardens Cuffley Potters Bar EN6 4JE

    Received 8 Sept 2017
  18. Decided - Granted6/2017/1655/COND

    Submission of details pursuant to condition 1 (external materials) on planning permission 6/2017/0099/FULL

    19 Woodland Way Welwyn AL6 0RX

    Received 27 Jul 2017
  19. Decided - Granted6/2018/2430/EM

    Reduce 1 x Silver Birch tree back from property by 2m

    9 Fern Grove Welwyn Garden City AL8 7ND

    Received 20 Sept 2018
  20. Decided - Granted6/2022/0896/EM

    Erection of single storey rear/side extensions x 2

    1 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 14 Apr 2022
  21. Decided - Granted6/2024/1516/HOUSE

    Erection of a two storey front, two storey side and single storey rear extension following the demolition of the existing garage and conservatory, roof alterations including mansard roof, installation of front and rear dormers and side and rear roof lights, chimney removal, and fenestration alterations

    61 Homewood Avenue Cuffley EN6 4QQ

    Received 9 Aug 2024
  22. Decided - Withdrawn6/2023/0002/HOUSE

    Replacement of roof slates, battens and insulation

    10 Mill Lane Welwyn AL6 9ET

    Received 3 Jan 2023
  23. Decided - Granted6/2017/2469/HOUSE

    Erection of wooden outbuilding in rear garden

    22 Martlesham Welwyn Garden City AL7 2QF

    Received 25 Oct 2017
  24. Decided - Withdrawn6/2017/1252/HOUSE

    Erection of a part single storey side, first floor side and first floor rear extension with alterations to openings, following the removal of existing shed.

    120 Handside Lane Welwyn Garden City AL8 6SZ

    Received 8 Jun 2017

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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