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
29,412Searchable applications
307Recorded as pending
87%Approval rate · 24,412 approved or refused records
3,256Refused applications

21,156 approved · 3,256 refused · 1,563 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 18 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2019/0469/LAWP

    Certificate of lawfulness for installation of rear dormer to existing roof, rooflights to front elevation and window in existing side gable wall

    26 Glenwood Welwyn Garden City AL7 2JS

    Received 1 Mar 2019
  2. Decided - GrantedS6/2014/2461/FP

    Garage conversion into habitable accommodation

    10 Bluebell Way Hatfield AL10 9FJ

    Received 5 Nov 2014
  3. Decided - Granted6/2017/0580/EM

    Removal of Plum tree - Dead & Dangerous

    4 Fearnley Road Welwyn Garden City AL8 6HW

    Received 20 Mar 2017
  4. Decided - Refused6/2016/1531/EM

    Installation of solar panels

    43 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 25 Jul 2016
  5. Decided - Granted6/2021/2651/HOUSE

    Erection of a single storey rear extension

    8 Heather Road Welwyn Garden City AL8 6XU

    Received 13 Sept 2021
  6. Appeal Decided - Withdrawn6/2017/1863/FULL

    Erection of 3 x 5-bedroom detached houses (1 x with double garage and 2 x with single garages) and associated parking following the demolition of existing bungalow and outbuildings

    12 Great North Road Welwyn AL6 0PL

    Received 22 Aug 2017
  7. Decided - Granted6/2021/3002/EMT

    1 x Beech to remove 2 x low limbs (see pic) over driveway

    10 Mannicotts, Welwyn Garden City, AL8 7BW

    Received 19 Oct 2021
  8. Decided - Refused6/2019/2754/EM

    Erection of single storey rear extension

    9 Stoneycroft Welwyn Garden City AL7 1QU

    Received 1 Nov 2019
  9. Decided - Refused6/2025/2474/HOUSE

    Erection of a part single and part two storey rear extension following the demolition of the single storey rear lean-to.

    25 Willow Way Hatfield AL10 9QD

    Received 26 Nov 2025
  10. Decided - Granted6/2024/1348/COND

    Submission of details pursuant of condition 23 (contamination) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 15 Jul 2024
  11. Decided6/2019/2306/TC

    Fell 1 x Deodar Cedar tree

    18 Church Street Welwyn AL6 9LX

    Received 17 Sept 2019
  12. Decided - Granted6/2016/0174/TPO

    Removal of Oak tree - Conservation Area

    15 Sherrardspark Road, Welwyn Garden City, AL8 7JW

    Received 3 Feb 2016
  13. Decided6/2023/1736/TC

    T1 Sycamore Reduce the height of the Sycamore trees by about 50% creating a single flat top including lightly trimming over the front side and to reduce the back side in, to start to form a box hedge.

    4 Reddings Welwyn Garden City AL8 7LA

    Received 17 Aug 2023
  14. Decided - RefusedS6/2014/1679/LUP

    Certificate of lawfulness for proposed single storey side and rear extensions, hip to gable extension and installation of rear dormer and front rooflights

    8 Swanland Road, North Mymms, Hatfield, AL9 7TG

    Received 25 Jul 2014
  15. Decided - Granted6/2023/0015/HOUSE

    Erection of a single storey rear conservatory following the demolition of an existing conservatory.

    52 Cecil Crescent Hatfield AL10 0HG

    Received 4 Jan 2023
  16. Decided - Granted6/2020/1800/HOUSE

    New detached garage

    3 Sharmans Close Digswell Welwyn AL6 0AR

    Received 22 Jul 2020
  17. Decided - GrantedN6/2013/2550/DS

    Discharge of conditions 3 (planting) & 9 (hard & soft landscaping) of planning permission N6/2013/1618/S73B

    5 Oaklands Rise Welwyn AL6 0RH

    Received 2 Dec 2013
  18. Decided - Granted6/2019/0626/HOUSE

    Erection of a single storey rear extension and expansion of an existing patio area

    78 Lodgefield Welwyn Garden City AL7 1SE

    Received 15 Mar 2019
  19. Decided - Granted6/2021/1071/LAWE

    Certificate of lawfuless for the existing replacement of window with double doors

    58 Moffats Lane Brookmans Park AL9 7RU

    Received 31 Mar 2021
  20. Decided - GrantedN6/2013/2641/TC

    Reduce Beech tree by 20%

    Land bordering, 66 Bridge Road & 64 Bridge Road, Welwyn Garden City, AL8 6UR

    Received 2 Dec 2013
  21. Decided - Granted6/2021/0414/EM

    Erection of a single storey rear extension

    13 Youngs Rise Welwyn Garden City AL8 6RT

    Received 9 Feb 2021
  22. Decided - Granted6/2019/0491/HOUSE

    Erection of single storey side and rear extensions following demolition of rear conservatory

    11 Thrush Avenue Hatfield AL10 8QU

    Received 4 Mar 2019
  23. Decided6/2024/0804/TC

    T2 Lime cut back by 2m to clear menage area up to a height of 6m above ground level

    Stables Opposite Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY

    Received 29 Apr 2024
  24. Decided - Withdrawn6/2025/0021/PN19

    Prior approval for the erection of a new sheep shelter and agricultural machine shop

    Hill View Farm Northaw Road West Northaw Potters Bar EN6 4QY

    Received 7 Jan 2025

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
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • 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.

  • 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.

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.

Check collection coverage