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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
23,445Searchable applications
313Recorded as pending
86%Approval rate · 19,144 approved or refused records
2,678Refused applications

16,466 approved · 2,678 refused · 1,209 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0929/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2017/1706/FULL.

    194 Knightsfield Welwyn Garden City AL8 7RQ

    Received 6 Apr 2018
  2. Decided - Granted6/2018/1074/EM

    Fell 1 x Silver Birch tree (T1)

    32 Daniells Welwyn Garden City AL7 1QX

    Received 25 Apr 2018
  3. Decided - Withdrawn6/2022/0457/VAR

    Variation of condition 3 (alteration to approved landscaping scheme) on planning permission 6/2020/1588/FULL

    48 Bradmore Way Brookmans Park Hertfordshire AL9 7QX

    Received 25 Feb 2022
  4. Appeal Decided - Dismissed6/2019/3098/EM

    Erection of single storey rear extension, raising outbuilding roof level to facilitate conversion to habitable space with alterations to openings

    7 Homestead Lane Welwyn Garden City AL7 4LT

    Received 6 Dec 2019
  5. Decided6/2024/1458/TC

    1 x Cherry plum to remove to ground level - Dead. 1 x Hawthorn to lift to 2m, cut back lateral growth over shed by 1m. 1 x Yew to reduce width over shrub area by approximately 1.2m

    3 Handside Close Welwyn Garden City AL8 6SR

    Received 1 Aug 2024
  6. Decided - Granted6/2020/1555/EMT

    Fell 1 x Leyland Cypress tree

    74 Howlands Welwyn Garden City AL7 4RF

    Received 30 Jun 2020
  7. Decided - Granted6/2025/2264/VAR

    Removal of condition 1 (drawings of windows and front door) and variation of conditions 2 (details of external materials) and 5 (approved plans) on planning permission 6/2023/1963/FULL

    25 Park Street Hatfield AL9 5AT

    Received 24 Oct 2025
  8. Decided - Granted6/2018/1553/TPO

    Reduce T19- Sycamore tree and T20-Lime tree by 30%

    21 New Road Digswell Welwyn AL6 0AQ

    Received 11 Jun 2018
  9. Decided6/2022/2342/TC

    T1 large oak in back garden - to reduce the canopy by 3 metres

    2 Woodland Rise Welwyn Garden City Hertfordshire AL8 7LF

    Received 7 Oct 2022
  10. Decided - Granted6/2018/2273/EM

    Erection of single storey rear conservatory

    36 Marley Road Welwyn Garden City AL7 4BS

    Received 23 Aug 2018
  11. Decided - Granted6/2026/0932/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    169 Bishops Rise Hatfield AL10 9EP

    Received 27 May 2026
  12. Decided - Withdrawn6/2019/3061/COND

    Submission of details pursuant to condition 1 (sample of materials), condition 2 (hard and soft landscape works), condition 3 (refuse bins and recycling storage), condition 4(parking spaces) and condition 5 - (non-dig raft style foundations) on planning permission 6/2016/2422/FULL

    8 Firway Welwyn AL6 0RD

    Received 3 Dec 2019
  13. Decided - Granted6/2016/2723/COND

    Approval of details reserved by condition 6 (hard and soft landscaping) of planning permission 6/2016/0192/MAJ

    Land accessed from Green Close, Brookmans Park, Hatfield, AL9 7ST

    Received 22 Dec 2016
  14. Decided6/2020/1261/TC

    Reduce 1 x Lawson Cypress Tree by 4m

    29 Archers Ride Welwyn Garden City AL7 4PR

    Received 4 Jun 2020
  15. Decided - Granted6/2016/1967/FULL

    Conversion of existing five bedroom detached house to create 2 no. semi detached three bedroom houses

    Leaf House, 15 Plough Hill, Cuffley, Potters Bar, EN6 4DN

    Received 26 Sept 2016
  16. Decided6/2023/1817/TC

    1 x Hornbeam to reduce by 2m height and 1m width

    17 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 30 Aug 2023
  17. Decided - Granted6/2017/1141/TPO

    Reduce 4 Yew tree crowns by upto 3m at 16 The Green and removal of dead branches from 5th Yew tree located at 10 The Green covered by TPO 566 (2016)

    16 The Green Welwyn AL6 9EA

    Received 25 May 2017
  18. Decided - Granted6/2022/0906/COND

    Submission of details pursuant to condition 5 (sample of materials) on planning application 6/2020/2526/MAJ

    University Of Hertfordshire College Lane Hatfield Hertfordshire AL10 9AB

    Received 19 Apr 2022
  19. Decided - Granted6/2022/0975/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3m in height and 3m to the eaves

    78 Talbot Road Hatfield AL10 0QZ

    Received 25 Apr 2022
  20. Decided - Granted6/2017/0497/EM

    Replacement of existing front garage door with window following conversion of garage.

    1 Robin Mead Welwyn Garden City AL7 1PP

    Received 14 Mar 2017
  21. Decided - Granted6/2017/0040/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m. in depth, 3.9m. in height and 2.9m. to the eaves

    9 Oaklands Avenue Brookmans Park Hatfield AL9 7UH

    Received 10 Jan 2017
  22. Decided - Granted6/2019/0614/COND

    Submission of details pursuant to condition 4 (Ground Remediation Investigation) on planning application 6/2017/0848/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 15 Mar 2019
  23. Decided - Refused6/2018/0798/FULL

    Change of use from amenity land to residential including erection of wooden shiplap fence.

    71 School Lane Welwyn AL6 9PL

    Received 26 Mar 2018
  24. Decided - Granted6/2016/1983/EM

    Erection of wooden fence measuring 1.83m in height and 4.5m in length with installation of gate

    24 Mandeville Rise, Welwyn Garden City, AL8 7JU

    Received 26 Sept 2016

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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