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
27,503Searchable applications
307Recorded as pending
86%Approval rate · 22,679 approved or refused records
3,068Refused applications

19,611 approved · 3,068 refused · 1,476 withdrawn. Received dates in our records: 5 Jan 2005 to 13 Oct 2026. Most recent record check: 17 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 Counts reflect the last collected status; some records may be out of date.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. Under Consideration6/2026/1638/EM

    Installation new hard standing and alterations to landscaping

    14 Cole Green Lane Welwyn Garden City AL7 3PW

    Received 18 Sept 2026
  2. Decided - Granted6/2016/1994/EM

    Fell Conifer tree

    36 Longcroft Lane, Welwyn Garden City, AL8 6EF

    Received 15 Sept 2016
  3. Decided - Granted6/2026/1438/EM

    Rebuilding conservatory at the rear of the house and replacement of the rear kitchen door with a window

    203 Handside Lane Welwyn Garden City AL8 6TE

    Received 14 Aug 2026
  4. Decided - Granted6/2023/0513/EMT

    6 x Limes to re pollard back to existing pruning points, approximately 2.5-3m

    5 Meadow Green Welwyn Garden City AL8 6SS

    Received 7 Mar 2023
  5. Decided - Granted6/2017/0238/HOUSE

    Erection of single storey rear extension, conversion of existing garage to habitable space and infill of porch.

    78 Forresters Drive Welwyn Garden City AL7 2HZ

    Received 9 Feb 2017
  6. Decided - Granted6/2022/2297/PN8

    Prior approval for erection of single storey rear extension

    2 Indells Hatfield Hertfordshire AL10 9JA

    Received 3 Oct 2022
  7. Decided - Granted6/2016/0563/HOUSE

    Erection of single storey rear flat roof extension including two rooflights & side garage extension with front mono-pitch roof

    24 Brocket Road, Welwyn Garden City, AL8 7TY

    Received 1 Apr 2016
  8. Decided6/2023/2426/TC

    T4110 - Cherry - remove hazardous Deadwood T3 - Cockspur Thorn - Low over garden - remove moderate deadwood and Crown lift to 2.5m secondary growth points T6 - Beech - Encroaching onto property - Would like to reduce lateral branches to provide 1-1.5m clearance to property. T7 - Pear - crown reduce to previous pruning points removing up to 2m T9 - Apple - Cavity at 1m height, historic pruning wounds - Would like to crown reduce removing up to 2m T10 - Ash - Encroaching onto property - Would like to reduce lateral branches by up to 2m to provide clearance to property. T11 - Ash - Asymmetric crown suppressed by Oak - Would like to reduce lateral branches and upper crown to reduce leverage and clear highway as required removing up to 2m. T13 - Hawthorn - reduce to previous pruning points removing up to 2m to clear phone wires T14 - Sycamore - crown reduce removing up to 2m to clear phone lines. T15 - Ash - remove small internal branches to provide clearance for phone wires. T4119 - Pear - remove moderate deadwood G4118 - Mixed Species Group x 11 - to hedge trim/reduce back to boundary roadside Reason - Works are all for general maintenance purposes

    19 Meadow Green Welwyn Garden City Hertfordshire AL8 6SS

    Received 4 Dec 2023
  9. Decided - Granted6/2017/0509/EM

    Crown reduce Beech tree to 20m

    Digswell Park Sports Association, 288, Knightsfield, Welwyn Garden City, & 292 Knightsfield, Welwyn Garden City,

    Received 14 Mar 2017
  10. Decided - Withdrawn6/2018/1512/EM

    Formation of a vehicle crossover

    8 Howicks Green Welwyn Garden City AL7 4RH

    Received 6 Jun 2018
  11. Decided - Granted6/2016/2410/TPO

    Crown reduce Silver Birch tree by 1.5m - Conservation Area

    195 Handside Lane Welwyn Garden City AL8 6TE

    Received 15 Nov 2016
  12. Decided - Granted6/2024/0397/COND

    Submission of details pursuant to condition 12 (Highway Improvement Works) on planning permission 6/2019/2086/MAJ

    Minster House Minster Close Hatfield AL10 9JW

    Received 29 Feb 2024
  13. Decided6/2021/1526/TC

    1 x Norway Maple - reduce to approximately 2m above previous pruning points. Reduce width by 1.5m. Reduce width over neighbouring side by 2m.

    49 Elmwood Welwyn Garden City AL8 6LD

    Received 13 May 2021
  14. Decided - Granted6/2021/2789/TPO

    Fell 3 x Pine trees Prune 2 x large boughs on 2 x pines Remove the lowest branch over the path/verge on 4 x Pine to prevent obstruction Prune deadwood Pines covered by TPO 459

    24 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 28 Sept 2021
  15. Appeal Decided - Dismissed6/2020/0232/TPO

    Reduce 1x Douglas fir tree by 2m Fell 1x Douglas fir tree

    16 Wendover Drive Welwyn AL6 9LT

    Received 28 Jan 2020
  16. Decided - Granted6/2021/0715/HOUSE

    Erection of a single storey orangery to replace the existing conservatory

    11 Oaklands Rise Welwyn AL6 0RN

    Received 4 Mar 2021
  17. Decided - Granted6/2017/0628/HOUSE

    Erection of first floor rear extension with two side roof lights and creation of juliet balcony at second floor level on rear elevation

    47 Broad Acres Hatfield AL10 9LE

    Received 28 Mar 2017
  18. Appeal Decided - Allowed6/2026/0089/HOUSE

    Erection of a first floor side extension above the existing single storey side extension.

    54 Garden Avenue Hatfield AL10 8LQ

    Received 20 Jan 2026
  19. Decided - Granted6/2021/1589/EMH

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

    151 Howlands Welwyn Garden City AL7 4RL

    Received 18 May 2021
  20. Decided - RefusedS6/2014/2547/FP

    Erection of single storey front extension, part single storey and part two storey side extension and two storey rear extension

    164 Crawford Road Hatfield AL10 0PA

    Received 20 Nov 2014
  21. Decided - Refused6/2024/0037/HOUSE

    Erection of a two storey side extension following the demolition of existing single en-bloc garage

    59 Marsden Road Welwyn Garden City AL8 6YH

    Received 5 Jan 2024
  22. Decided - Refused6/2018/1833/HOUSE

    Erection of a part two storey, part first floor rear extension

    4 Coneydale Welwyn Garden City AL8 7RY

    Received 12 Jul 2018
  23. Decided - GrantedS6/2014/2177/DS

    Approval of details reserved by condition 3 (external materials), 5 (remediation), 6 (landscaping) and 8 (site compound) of S6/2014/1716/FP

    Garages at Cotswolds Hatfield AL10 8JR

    Received 2 Oct 2014
  24. Decided - Granted6/2016/0185/HOUSE

    Retention of Boundary wall, Pillars, Coping Stones and Gates

    104 Tolmers Road, Cuffley, Potters Bar, EN6 4JJ

    Received 2 Feb 2016

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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