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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
23,545Searchable applications
313Recorded as pending
86%Approval rate · 19,238 approved or refused records
2,687Refused applications

16,551 approved · 2,687 refused · 1,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2024/2370/HOUSE

    Erection of single storey side, rear and basement extension, front porch, rear balcony, rear raised terrace, alterations to fenestration and installation of two side dormers to facilitate the conversion of the loft to habitable space

    39 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 12 Dec 2024
  2. Decided - Split6/2025/2379/COND

    Submission of details pursuant to Condition 21 (furniture for open spaces) and 23 (detailed engineering designs and site access) on planning permission 6/2022/2317/MAJ

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 12 Nov 2025
  3. Decided - Granted6/2019/2494/EM

    Erection of a single storey, part two storey side and rear extension, installation of roof lights and alterations to fenestration

    2 Springfields Welwyn Garden City AL8 6XP

    Received 4 Oct 2019
  4. Appeal Decided - Dismissed6/2018/1567/HOUSE

    Erection of single storey side extension

    The Mulberries Danesbury Park Road Welwyn AL6 9SE

    Received 12 Jun 2018
  5. Decided - Withdrawn6/2026/1305/TPO

    Up to a 2m reduction to Cherry tree, to maintain its healthy station and prevent over extension, from growing too large. Fell, process and remove Yew tree as resident has concerns that if it was to uproot or fail it would hit the house due to its location (covered by TPO 24 A3)

    20 Mardley Avenue Welwyn AL6 0UD

    Received 27 Jul 2026
  6. Decided - Withdrawn6/2018/0595/HOUSE

    Erection of single storey rear extension, garage conversion and erection raised decking areas, alterations to existing openings and replacement of existing roof

    4 Firway Welwyn AL6 0RD

    Received 2 Mar 2018
  7. Decided - Granted6/2025/2406/EMT

    T1 Oak to 20% crown reduction and 2 metre reduction. T2 Oak to fell (due to Acute Oak Decline).

    29 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 17 Nov 2025
  8. Decided - Granted6/2020/0404/HOUSE

    Retention of erection of single storey front and side extension, installation of rear dormer to facilitate loft conversion to habitable space and alterations to openings

    97 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 13 Feb 2020
  9. Decided - Granted6/2024/1848/FULL

    Erection and installation of external plant area, associated structures, lighting and plant equipment

    Unit 1A Oldings Corner Retail Park Comet Way Hatfield AL9 5JJ

    Received 26 Sept 2024
  10. Decided - Granted6/2017/2845/HOUSE

    Erection of Single Storey Front Extension and Roof alterations

    80 Somers Road Welham Green Hatfield AL9 7PY

    Received 6 Dec 2017
  11. Decided - Refused6/2020/2831/HOUSE

    Retention of children's climbing frame in rear garden (retrospective)

    11 Butterwick Way Welwyn AL6 9GH

    Received 29 Oct 2020
  12. Decided - Granted6/2017/1147/HOUSE

    Erection of outbuilding in rear garden

    36 Butterwick Way Welwyn AL6 9GH

    Received 25 May 2017
  13. Decided - Refused6/2020/0504/EM

    Installation of 4ft boundary fence and hedge following removal of existing hedge

    12 Thistle Grove Welwyn Garden City AL7 4AN

    Received 21 Feb 2020
  14. Decided - Granted6/2026/0965/TPO

    T1 Monkey puzzle to fell. Replacement monkey puzzle to be planted within the grounds. (covered by TPO 610 (2017) G1)

    Essendon Place, Wyatt House High Road Essendon Hatfield AL9 6GZ

    Received 2 Jun 2026
  15. Decided - Refused6/2018/1621/EM

    Erection of a single storey side and rear extension following demolition of existing conservatory

    55 Thistle Grove Welwyn Garden City AL7 4AD

    Received 19 Jun 2018
  16. Decided - Granted6/2017/2144/HOUSE

    Erection of First floor rear extension and alterations

    13 The Avenue Welwyn AL6 0PW

    Received 22 Sept 2017
  17. Decided - Granted6/2017/1807/TPO

    Removal of Weeping Willow tree covered by TPO 145 (1990)

    2 The Drive Brookmans Park Hatfield AL9 7BD

    Received 10 Aug 2017
  18. Decided - Withdrawn6/2022/0509/EMH

    Erection of a new WCH standard M4(3) garage within the curtilage of the dwelling following demolition of the existing garage and to replace with a new gate

    13 Youngs Rise Welwyn Garden City AL8 6RT

    Received 3 Mar 2022
  19. Decided - Granted6/2019/2797/TPO

    Reduce 1x Oak tree by 20% (TPO 672)

    5A Oaklands Rise Welwyn

    Received 5 Nov 2019
  20. Decided - Withdrawn6/2020/0529/FULL

    Sub-division following demolition of garage and lean to, to facilitate the erection of 1 x dwelling

    16 The Ryde Hatfield AL9 5DH

    Received 21 Feb 2020
  21. Decided - Granted6/2021/3409/EMT

    Tree A, Leylandii fir, sited to right boundary of property to fell Tree B, Leylandii fir, sited to back boundary to reduce by 30%

    5 Palmerston Close, Welwyn Garden City, AL8 7DL

    Received 6 Dec 2021
  22. Decided - Granted6/2020/2861/EMT

    Semi-pollarding of large willow tree in rear garden

    18 Sheepcote Welwyn Garden City AL7 4QD

    Received 2 Nov 2020
  23. Decided - Granted6/2023/0545/HOUSE

    Erection of single storey side extension, front porch extensions, alterations to roof and replacement fenestration

    1 Orchard Road Welwyn AL6 9EX

    Received 9 Mar 2023
  24. Decided - Granted6/2021/0653/HOUSE

    Erection of part single part double storey rear extension

    38 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 1 Mar 2021

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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