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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
24,983Searchable applications
313Recorded as pending
86%Approval rate · 20,510 approved or refused records
2,821Refused applications

17,689 approved · 2,821 refused · 1,321 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/2604/HOUSE

    Erection of a part single, part two storey rear extension and two storey front extension, alterations to fenestration, internal changes and timber cladding to first floor

    9 Farm Close Cuffley Potters Bar EN6 4RQ

    Received 22 Dec 2025
  2. Decided - Granted6/2021/2124/TPO

    Reduce 2 x Willow trees (G1) and 1 x Ash (T1) by 2.5m. Remove deadwood from 1 x Oak tree (T2)

    46A Moffats Lane Brookmans Park AL9 7RU

    Received 14 Jul 2021
  3. Decided - Granted6/2020/2723/EMH

    Erection of single storey rear extension

    37 Furzefield Road Welwyn Garden City AL7 3RL

    Received 19 Oct 2020
  4. Decided - Split6/2020/1276/COND

    Submission of details pursuant to condition 1 (sample of materials) on planning permission 6/2018/2031/FULL

    Land Between 33 & 35 Pine Grove Brookmans Park Hatfield AL9 7BP

    Received 8 Jun 2020
  5. Decided - Granted6/2018/1136/LAWP

    Certificate of lawfulness for a part two storey part single storey rear extension and single storey side extension

    38 Homestead Road Hatfield AL10 0QW

    Received 1 May 2018
  6. Decided - Granted6/2019/0227/EM

    Reduce crown of 1x Weeping Willow tree by 50%

    10 The Orchard Welwyn Garden City AL8 7PL

    Received 4 Feb 2019
  7. Decided - Granted6/2025/0558/HOUSE

    Extension to existing detached garage and conversion of this building to an annex

    29 Codicote Road Welwyn AL6 9TT

    Received 24 Mar 2025
  8. Decided - Granted6/2016/2203/HOUSE

    Erection of single storey and first floor rear extension to detached two storey dwelling house.

    43 Digswell Rise Welwyn Garden City AL8 7PP

    Received 19 Oct 2016
  9. Decided - Granted6/2022/2196/HOUSE

    Erection of single storey rear extension, following demolition of existing conservatory and insertion of window to side elevation. Proposed raised patio area with stepped and ramped access to garden

    10 Little Dell Welwyn Garden City AL8 7HZ

    Received 22 Sept 2022
  10. Decided - Granted6/2024/0883/EM

    Repaving of front garden (retrospective)

    12 The Valley Green Welwyn Garden City AL8 7DQ

    Received 10 May 2024
  11. Decided6/2025/0069/TC

    Reduce beech tree stem growing over no 7 Parkway Gardens by 30%

    21 Birdcroft Road Welwyn Garden City AL8 6EH

    Received 17 Jan 2025
  12. Decided - Granted6/2018/1727/LB

    Installation of flue pot

    17A Beehive Green Welwyn Garden City AL7 4BE

    Received 29 Jun 2018
  13. Decided - Granted6/2016/2028/COND

    Approval of details reserved by condition 2 (Landscaping), 3 (Planting replacement plan) and 4 (Tree protection plan) of planning permission 6/2016/1350/FULL

    The Dutch Nursery Great North Road Brookmans Park Hatfield AL9 6ND

    Received 3 Oct 2016
  14. Decided - Granted6/2023/2197/COND

    Submission of details pursuant to condition number 1 (Materials) on planning approval 6/2023/1046/HOUSE

    52 Mymms Drive Brookmans Park AL9 7AF

    Received 30 Oct 2023
  15. Decided - Granted6/2025/2138/HOUSE

    Conversion of garage to home office and replacement of existing conservatory to an orangery

    Essenwell Cottage Cucumber Lane Essendon Hatfield AL9 6JB

    Received 7 Oct 2025
  16. Decided6/2022/1869/TC

    T1 sycamore - fell to ground level.

    2 The Pastures Welwyn Garden City AL7 4PX

    Received 9 Aug 2022
  17. Appeal Decided - Allowed6/2016/2123/FULL

    Erection of porch, single storey rear extension, conversion of dwelling house into 1 x 1bedroom flat and 1 x 2 bedroom flat involving demolition of exisitng garden shed and relocation of shared garden shed

    13 Deerswood Avenue Hatfield AL10 8RX

    Received 12 Oct 2016
  18. Decided - Granted6/2021/1202/EMT

    1 x Silver Birch - fell 1 x Hawthorn - fell 1 x Cherry Blossom - fell

    64 Attimore Road Welwyn Garden City AL8 6LP

    Received 13 Apr 2021
  19. Decided6/2023/2090/TC

    1 x Sycamore to reduce by 4m height & 1.5m width - Self set tree growing too close to building with branches over and on top of roof 1 x Sycamore to fell - Growing too large and diminution the whole garden

    12 Newfields Welwyn Garden City AL8 6YT

    Received 13 Oct 2023
  20. Decided6/2021/2177/TC

    Reduction of 8m high beech tree growing in hedge to 2m, so that it is at hedge height.

    4 Handside Green Welwyn Garden City AL8 6SQ

    Received 19 Jul 2021
  21. Decided - Granted6/2024/1082/TPO

    T1 - Oak. Proposed works to the Oak are to do a 1m reduction of entire tree, keeping a nice shape and balance. Reasons for this are to reduce in height and to allow light into properties. Tree I.D Tag 0126 TPO 626 (2017)

    75 Calder Avenue Brookmans Park AL9 7AJ

    Received 11 Jun 2024
  22. Decided - Granted6/2025/2180/HOUSE

    Erection of a single storey side extension and elevation alterations following demolition of existing garage

    1 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 14 Oct 2025
  23. Decided - Granted6/2021/2095/EMT

    Reduce 1 x Oak by 2.5m

    87 Great Ganett Welwyn Garden City AL7 3DD

    Received 9 Jul 2021
  24. Decided - Granted6/2023/1456/EM

    Erection of new greenhouse and reduce height and width of laurel by 2.5m

    49 Valley Road, Welwyn Garden City, AL8 7DH

    Received 13 Jul 2023

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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