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
18,302Searchable applications
298Recorded as pending
86%Approval rate · 14,750 approved or refused records
2,040Refused applications

12,710 approved · 2,040 refused · 927 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/1723/EMT

    Fell 1 x Plum Tree Fell 2 x Silver Birch Trees

    59 The Wade Welwyn Garden City AL7 4LG

    Received 14 Jul 2020
  2. Decided - Granted6/2019/0974/HOUSE

    Erection of a single storey side and rear extension

    191 Handside Lane Welwyn Garden City AL8 6TE

    Received 23 Apr 2019
  3. Decided - Granted6/2024/1997/LAWP

    Certificate of lawfulness for the erection of a garden room

    Hafod Waterend Lane Ayot St Peter Welwyn AL6 9BB

    Received 16 Oct 2024
  4. Decided - Granted6/2026/0179/LAWE

    Certificate of lawfulness for the retention of existing outbuilding to rear of garden used as summer house/gym/storage ancillary to main property

    19 Moffats Lane Brookmans Park AL9 7RX

    Received 2 Feb 2026
  5. Decided - Granted6/2026/0471/TPO

    Repollard 1x lime tree back to previous pollard points. TPO 711 (2017) T9

    6 Juniper Gardens Welwyn AL6 0XH

    Received 16 Mar 2026
  6. Decided - Granted6/2020/0633/HOUSE

    Erection of garden shed

    45 Pentley Park Welwyn Garden City AL8 7SF

    Received 5 Mar 2020
  7. Decided6/2018/2409/TPO

    Reduce Lime by 50% (Re-pollard to historic pruning points)

    14 The Old Drive Welwyn Garden City AL8 6TB

    Received 19 Sept 2018
  8. Decided - Granted6/2020/2773/COND

    Submission of details pursuant to condition 3 (parking) on planning permission 6/2017/1903/FULL

    36 Salisbury Square Hatfield AL9 5AF

    Received 23 Oct 2020
  9. Decided - Granted6/2025/0959/LAWE

    Certificate of lawfulness for existing use of HMO (C4)

    138 Bishops Rise Hatfield AL10 9QB

    Received 23 May 2025
  10. Decided - Granted6/2022/2393/EM

    Replace front door

    2 Nursery Gardens Welwyn Garden City AL7 1SF

    Received 14 Oct 2022
  11. Decided - Granted6/2021/2196/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.5m in height, 3m to the eaves

    13 Holme Road Hatfield AL10 9LH

    Received 20 Jul 2021
  12. Decided - Refused6/2021/0022/LAWP

    Certificate of lawfulness for erection of gates and supporting piers

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 5 Jan 2021
  13. Decided - Granted6/2020/0608/TPO

    Reduce 1x Oak [T3] by 30% (TPO 1000 (2019))

    8 Orchard Close Cuffley Potters Bar EN6 4QD

    Received 2 Mar 2020
  14. Under Consultation6/2026/1689/MAJ

    Erection of a single 3 and 4-storey building comprising 44 temporary accommodation homes, staff office and laundry facilities, children's play space, cycle and vehicular parking, associated servicing, plant enclosure, substation, landscaping and external works.

    Howlands House Howlands Welwyn Garden City AL7 4QJ

    Received 25 Sept 2026
  15. Decided - Granted6/2023/2402/HOUSE

    Erection of first floor rear extension and installation of new first floor window within the side elevation

    8 Holme Close Hatfield AL10 9LQ

    Received 29 Nov 2023
  16. Decided - Withdrawn6/2021/0224/EM

    Construction of rear outbuilding to provide ancillary use to the existing dwellinghouse

    58 Wellcroft Road, Welwyn Garden City, AL7 3JY

    Received 25 Jan 2021
  17. Decided6/2026/0402/TC

    T1 (A) - Yew, T2 (B) - Cherry and T3 (C) - Sycamore by approx 25% in height and width, reduce leylandii hedge labelled D by approx 3m in height

    11 The Green Welwyn AL6 9EA

    Received 4 Mar 2026
  18. Decided6/2024/0300/TC

    4 x Pine trees - Remove to ground level as these trees are dead and may be dangerous to the public.

    Shaws Corner Bibbs Hall Lane Ayot St Lawrence AL6 9BX

    Received 13 Feb 2024
  19. Decided6/2022/1672/TC

    Removal of south east stem that grows from the base and overall reduction of sycamore tree by 40% (side and top)

    30 Melbourne Court Welwyn Garden City AL8 6LL

    Received 15 Jul 2022
  20. Decided - Granted6/2021/1739/EM

    Erection of a single storey side extension and alterations to openings, including insertion of bi-folding doors, to existing rear elevation

    42 Caponfield Welwyn Garden City AL7 4AP

    Received 2 Jun 2021
  21. Decided - Granted6/2024/0977/HOUSE

    Erection of single storey rear extension, new ground floor window and creation of new footpath and new blockpaving to the front drive

    79 Rosedale Welwyn Garden City AL7 1DP

    Received 24 May 2024
  22. Decided - Granted6/2021/3487/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension measuring 3m in depth and 3m to the eaves

    14 Firs Close Hatfield AL10 8NP

    Received 15 Dec 2021
  23. Decided - Granted6/2025/1336/EM

    Change of conservatory roof to lightweight grey Slateskin roof

    18 West Mead Welwyn Garden City AL7 4SA

    Received 26 Jun 2025
  24. Decided - Withdrawn6/2024/1091/TPO

    5 DAY NOTICE T1 – Pine - Dead - Removal - Tree is dead and is just a standing pole. Advising to remove before tree isn’t safe to be climbed anymore TPO 260

    54 The Red House Flat 1 New Road Digswell Welwyn AL6 0AH

    Received 13 Jun 2024

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