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
21,637Searchable applications
297Recorded as pending
86%Approval rate · 17,523 approved or refused records
2,492Refused applications

15,031 approved · 2,492 refused · 1,107 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2583/LB

    Insertion of 13 x glazing panels to the interior of the dwelling

    10 Fore Street Hatfield AL9 5AH

    Received 6 Sept 2021
  2. Decided - Granted6/2024/1770/EM

    Erection of single storey rear extension, loft conversion with rear facing dormer and rooflight to existing rear facing roof, timber gate and glazed canopy to side access and alterations to existing side elevation, following the demolition of outbuilding

    196 Handside Lane Welwyn Garden City AL8 6TD

    Received 12 Sept 2024
  3. Decided - Granted6/2025/1245/HOUSE

    Erection of single storey front extension

    16 Windsor Road Welwyn AL6 9JJ

    Received 18 Jun 2025
  4. Decided - Granted6/2020/1442/COND

    Submission of details pursuant to condition 1 (Construction Management Plan), on planning permission (6/2020/0199/VAR)

    Land to the Rear of Pear Building Shire Park Kestral Way Welwyn Garden City AL7 1GA

    Received 22 Jun 2020
  5. Decided - Granted6/2024/0110/TPO

    Incense Cedar - To prune the three lowest branches over gardens to the rear by up to 1m back to suitable growth points

    Flat 10 8 Wendover Lodge Church Street Welwyn AL6 9LR

    Received 16 Jan 2024
  6. Under Consideration6/2026/1400/EMT

    T1 crown reduction of robinia tree by 2m from branch tips to reduce risk of failure as the branches are very heavy T2 crown lift ash tree to 4m T3 crown lift oak to 4m and reduce lateral growth by up to 2m back from the road to the kerb line

    49 Brockswood Lane Welwyn Garden City AL8 7BU

    Received 7 Aug 2026
  7. Decided - Refused6/2017/2652/FULL

    Erection of a substation and switchgear cabinet.

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 14 Nov 2017
  8. Decided - Granted6/2017/0886/HOUSE

    Erection of first floor side and rear extension including installation of suntubes to existing front elevation and front porch

    113 The Ryde Hatfield AL9 5DP

    Received 28 Apr 2017
  9. Decided6/2019/0059/TPO

    Pollard 2 x Lime trees - conservation area

    11 Little Youngs Welwyn Garden City AL8 6SL

    Received 11 Jan 2019
  10. Decided - Refused6/2026/0698/COND

    Submission of details pursuant to Condition 1 (Construction Traffic Management Plan) on planning permission 6/2025/1893/FULL

    Verge in highway on Great North Road Welwyn Garden City AL8 7TJ

    Received 20 Apr 2026
  11. Decided - Granted6/2021/1764/EMT

    1 x Lawson Cypress to fell 1 x Beech to reduce by 2m height & width

    58 Rosedale Welwyn Garden City AL7 1DR

    Received 4 Jun 2021
  12. Decided - Withdrawn6/2026/1531/TPO

    T1 English Oak (Quercus robur) ref T316 fell to ground level

    37 The Ridgeway Cuffley EN6 4BB

    Received 2 Sept 2026
  13. Decided - Granted6/2024/2214/PN1

    Prior approval for the change of use of agricultural barn to flexible commercial use (Class R) within use Class E (commercial, business or service)

    Hill End Hill End Farm Hertford Road Hatfield AL9 5PQ

    Received 18 Nov 2024
  14. Decided6/2024/1057/TC

    Remove dead tree in the rear of garden

    64 Attimore Road Welwyn Garden City AL8 6LP

    Received 6 Jun 2024
  15. Decided - Granted6/2019/1851/VAR

    Removal of conditions 19 (hours of operation of machinery) and 20 (times of deliveries) on planning permission 6/2018/2726/MAJ

    The Holdings Cole Green Lane Welwyn Garden City AL7 4AL

    Received 29 Jul 2019
  16. Decided - Granted6/2019/0973/TPO

    Reduce 6 x Lime trees by 20% as listed as T12, T22,T23,T24,T25,T26 covered by TPO 773 (2018)

    Diocesan Education Centre Hall Grove Welwyn Garden City AL7 4PJ

    Received 18 Apr 2019
  17. Decided - Granted6/2025/0934/FULL

    Installation of shopfront with illuminated signage, automatic door push pad and servicing entrance door. Proposed new door in the existing opening to match the existing doors with grills on the rear elevation of the building and a supply and extract air louvre above the rear door.

    7 Town Centre Hatfield AL10 0JZ

    Received 21 May 2025
  18. Decided - Refused6/2021/1939/HOUSE

    Erection of single storey rear extension

    Gayton Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD

    Received 25 Jun 2021
  19. Decided - Granted6/2022/2156/COND

    Submission of details pursuant to condition 1 (submission of arboricultural method statement) on planning reference 6/2022/1167/HOUSE

    1 Chapelfield Close Welwyn Garden City AL7 4FU

    Received 15 Sept 2022
  20. Decided6/2026/1201/TC

    Reduce crowns of 2 apple trees by approx 2m, crown thin, remove water shoots, and crown lift to achieve 2.5–3m clearance above ground level.

    Park Close Hatfield AL9 5AY

    Received 10 Jul 2026
  21. Decided - Granted6/2018/2253/EM

    Erection of first floor rear extension and alterations to driveway

    42 Digswell Rise Welwyn Garden City AL8 7PW

    Received 3 Sept 2018
  22. Decided6/2018/1025/TPO

    Fell 1 x Variegated Acer tree - Conservation area

    1 Homerfield Welwyn Garden City AL8 6QZ

    Received 18 Apr 2018
  23. Decided - Granted6/2018/0022/VAR

    Variation of condition 2 (approved surface water drainage assessment) on planning permission 6/2017/1028/MAJ, dated 24/11/2017

    20 Black Fan Road Welwyn Garden City AL7 1QA

    Received 3 Jan 2018
  24. Decided - Granted6/2023/1616/FULL

    Construction and operation of a micro energy storage facility.

    39 Brownfields Welwyn Garden City AL7 1AN

    Received 4 Aug 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
  • 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