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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
19,007Searchable applications
298Recorded as pending
86%Approval rate · 15,342 approved or refused records
2,136Refused applications

13,206 approved · 2,136 refused · 961 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2024/1493/LAWP

    Certificate of lawfulness for a proposed two storey rear and side extension

    93 Harmer Green Lane Digswell Welwyn AL6 0EY

    Received 6 Aug 2024
  2. Decided - Granted6/2021/2477/HOUSE

    Erection of a single storey front extension

    11 The Holdings Hatfield AL9 5HH

    Received 24 Aug 2021
  3. Decided - Refused6/2023/2064/HOUSE

    Erection of first floor side extension, alterations to rear fenestration, installation front boundary wall with gates, raised patio and erection of covered barbeque area

    45 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 10 Oct 2023
  4. Decided - Granted6/2024/0690/EM

    Erection of porch to front of house

    322 Howlands Welwyn Garden City AL7 4HD

    Received 11 Apr 2024
  5. Decided - Granted6/2024/1169/EM

    Installation of a driveway

    6 Tilecroft Welwyn Garden City AL8 7QY

    Received 24 Jun 2024
  6. Decided - Granted6/2026/0386/EMT

    Fell a golden cypress.

    28 Melbourne Court, Welwyn Garden City, AL8 6LL

    Received 3 Mar 2026
  7. Decided - Withdrawn6/2022/2029/FULL

    Garage conversion and single storey side and rear extension to the main house and extension and conversion of a storage shed into 2 dwelling units

    391 St Albans Road West Hatfield Hertfordshire AL10 9RU

    Received 1 Sept 2022
  8. Decided - Granted6/2022/0760/EM

    Replace hazel hurdle border fencing between hedging and garden. The Hazel hurdle was beautiful, but has not lasted well and is falling down (several panels came down in the storm) with a standard 6 x 6 fencing panel.

    30 Youngs Rise Welwyn Garden City AL8 6RU

    Received 29 Mar 2022
  9. Decided - Granted6/2019/2687/HOUSE

    Erection of single storey and part two storey rear extension with installation of 2 x roof lights following demolition of conservatory

    31 Bradmore Way Brookmans Park Hatfield AL9 7QY

    Received 24 Oct 2019
  10. Decided - Granted6/2023/1439/EMT

    1 x Beech to reduce by 1.2m in height and 1.5m in width to retain shape and size of the tree

    27 Rooks Hill Welwyn Garden City AL8 6EU

    Received 11 Jul 2023
  11. Decided - Refused6/2022/0650/HOUSE

    Erection of a garden/hobbies shed

    Digswell Bridge Digswell Lane Welwyn Hertfordshire AL6 0SW

    Received 21 Mar 2022
  12. Decided - Granted6/2020/0177/EM

    Prune conifer hedge by 10% Crown reduce oak tree by 20%

    49 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 24 Jan 2020
  13. Decided - Granted6/2020/2516/FULL

    Erection of 1x dwelling following demolition of existing garage.

    The Red House 54 New Road Digswell Welwyn AL6 0AH

    Received 30 Sept 2020
  14. Decided - Granted6/2022/2822/HOUSE

    Erection of a single storey flat roof extension with roof lights

    16 Marsden Road Welwyn Garden City AL8 6XZ

    Received 13 Dec 2022
  15. Decided - Granted6/2024/0643/EMT

    Removal of partially dead Cherry tree in rear garden

    14 Cole Green Lane Welwyn Garden City AL7 3PW

    Received 4 Apr 2024
  16. Decided - Withdrawn6/2025/0838/FULL

    Subdivision of existing dwelling into five separate residential dwellings for occupants aged 55 and over

    Skimpans Farmhouse Bulls Lane Hatfield AL9 7PE

    Received 1 May 2025
  17. Decided6/2024/1379/TC

    Two Ash trees in back garden prune back to previous reduction points, approximately 30% reduction

    12 The Old Drive Welwyn Garden City AL8 6TB

    Received 18 Jul 2024
  18. Decided - Granted6/2020/1066/COND

    Submission of details pursuant to condition 6 (sample of materials) and 7 (details of external lighting scheme) on planning permission 6/2019/0085/MAJ

    Chancellors School, Pine Grove, Brookmans Park, Hatfield, AL9 7BN

    Received 13 May 2020
  19. Decided - Granted6/2021/0090/HOUSE

    Single storey rear and first floor rear and side extensions

    55 Calder Avenue Brookmans Park AL9 7AH

    Received 13 Jan 2021
  20. Decided - Granted6/2021/1649/VAR

    Variation of condition 10 (Site Vehicular Areas) and 20 (Approved Drawings), on planning permission 6/2018/2863/FULL

    36 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 24 May 2021
  21. Decided - Refused6/2019/0927/LAWE

    Certificate of lawfulness for existing use of barn storage

    The Barn Coopers Lane Road Northaw Potters Bar EN6 4DJ

    Received 16 Apr 2019
  22. Decided - Granted6/2025/0659/EMT

    Reduce Leyland cypress hedge by approx 3m, cut back width hard keeping green. 1 x Sycamore to reduce to height of the cabin, to previous pruning points. 1 x Cherry to reduce by 3.5m height and 2m width to previous pruning points.

    17 Great Ganett Welwyn Garden City AL7 3DA

    Received 4 Apr 2025
  23. Decided6/2025/0511/TC

    Lawson cypress hedge to remove to ground level. over mature and blocking light 1 x Lawson cypress to reduce by 3m in height - Growing under the beech, poor form and wants to retain as hedge form

    12 High Grove Welwyn Garden City AL8 7DW

    Received 19 Mar 2025
  24. Decided - Granted6/2020/0809/HOUSE

    Erection of cartlodge

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 30 Mar 2020

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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