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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
21,800Searchable applications
297Recorded as pending
86%Approval rate · 17,666 approved or refused records
2,507Refused applications

15,159 approved · 2,507 refused · 1,118 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2020/0129/HOUSE

    Erection of an oak framed open sided carport replacing existing carport

    East Lodge Judge's Hill Northaw Potters Bar EN6 4NL

    Received 20 Jan 2020
  2. Decided - Granted6/2021/3105/COND

    Submission of details pursuant of condition 3 (crown roof details) of planning approval 6/2021/2141/HOUSE

    61 Georges Wood Road Hatfield AL9 7BX

    Received 29 Oct 2021
  3. Decided - Granted6/2022/0767/HOUSE

    Conversion of garage; single storey rear extension; raised patio; loft conversion with rear facing dormer windows

    13 Colgrove Welwyn Garden City AL8 6HY

    Received 29 Mar 2022
  4. Decided - Granted6/2021/1794/TPO

    Reduce 1 x Oak tree (T1) by 2m and removal of deadwood covered by TPO

    6B Hill Rise Cuffley Potters Bar EN6 4EE

    Received 9 Jun 2021
  5. Decided - Granted6/2017/2617/COUNTY

    Consultation as an adjoining District/Borough Council - Variation of Conditions 2 (Plans) and 4 (Hours of Operation) on permission 0/0262-12 to vary site layout and hours of operation at Coursers Farm, Coursers Road, St Albans, Herts AL4 0PD

    Coursers Farm, Coursers Road, St Albans, Hertfordshire, AL4 0PD

    Received 8 Nov 2017
  6. Decided - Granted6/2018/2838/HOUSE

    Erection of single storey rear extension

    45 Holwell Road Welwyn Garden City AL7 3RE

    Received 5 Nov 2018
  7. Decided6/2021/1998/TC

    Lift the crown to 2.5 metres and reduce 1 x Conifer (T1) by 30% covered by conservation area

    36 Beehive Lane Welwyn Garden City AL7 4BP

    Received 1 Jul 2021
  8. Decided6/2018/2447/COND

    Confirmation that conditions attached to application N6/2004/1334/FP have been complied with

    2-16 (even), and 20-26 (even) Elderfield, Welwyn Garden City, AL7 1FN; 56-72 (even) Langstone Ley, Welwyn Garden City, AL7 1FQ and 51-79 (odd) Langstone Ley, Welwyn Garden City, AL7 1FR

    Received 21 Sept 2018
  9. Decided - Granted6/2020/3299/EM

    Erection of bin store

    Woodside House Bridge Road Welwyn Garden City AL8 6UJ

    Received 8 Dec 2020
  10. Decided6/2017/1541/RW

    Modification order to amend definitive map of public Rights of Way

    Ridge Bridleway and North Mymms Bridleway

    Received 10 Jul 2017
  11. Decided - Granted6/2023/1603/EMT

    Removing a line of five Leyland cypress from the rear garden.

    17A Beehive Green Welwyn Garden City AL7 4BE

    Received 2 Aug 2023
  12. Decided - Granted6/2025/0344/EM

    Replacement of old roof tiles with as close a match as possible to the existing tiles

    33 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 24 Feb 2025
  13. Decided - Granted6/2019/1603/HOUSE

    Erection of a single storey side and rear extension

    4 The Chase Welwyn AL6 0QT

    Received 1 Jul 2019
  14. Decided6/2023/2209/TC

    To remove a small field Maple tree. The tree roots are causing damage to neighbour's garden.

    105 Parkway Welwyn Garden City AL8 6JD

    Received 31 Oct 2023
  15. Decided - Granted6/2026/0791/COND

    Submission of details pursuant to condition number 13 (Refuse Strategy) on planning permission 6/2024/2418/MAJ

    26 Station Road Welham Green Hatfield AL9 7PG

    Received 6 May 2026
  16. Decided6/2022/2625/TC

    T1 - 1 x Apple to reduce by approximately 1.2m in height and width. Thin growth from old knuckles by approximately 15% T2 - 1 x Apple to reduce by approximately 1.2m in height and 1.5m on width over neighbouring garden. Thin growth from old knuckles by approximately 15%

    15 Moorend Welwyn Garden City AL7 4QL

    Received 17 Nov 2022
  17. Decided - Granted6/2017/1215/TPO

    Crown reduce Sycamore tree and two Ash trees by 25% plus removal of branches overhanging shed/patio from Ash tree covered by TPO 221 (1998)

    3 Greenways Digswell Welwyn AL6 0EE

    Received 2 Jun 2017
  18. Decided6/2019/2150/TC

    Fell 1 x Cherry Tree Fell 2 x Trees (species unknown)

    3 Fearnley Road Welwyn Garden City AL8 6HW

    Received 29 Aug 2019
  19. Decided - Refused6/2023/0922/TPO

    Crown reductions by up to a third (10-15-feet (3 to 4.5 metres) from height and width) to maintain: T1 & T2 Sweet chestnuts - leaning over the corner of the property, close to the house at 19 Marlborough Close. T3 & T4 Sweet chestnuts - they heavily lean over the garden of 2 Rosecroft Lane.

    14 Mardley Avenue Welwyn Hertfordshire AL6 0UD

    Received 2 May 2023
  20. Under Consultation6/2026/1285/TPO

    Type of Tree : Multi-Stemed Hornbeam Number on Sketch Plan - G1 Reduction of tree size by circa 20% -25% Reason for request : Maintenance Location - within boundary of 24 Hill Rise - facing HILL RISE (covered by TPO 513 (2016))

    24 Hill Rise Cuffley Potters Bar EN6 4EJ

    Received 21 Jul 2026
  21. Decided - Granted6/2017/0270/FULL

    Retention of 2x 5.5 metre tall free-standing windmills

    Land adjacent to Sheperds Way Brookmans Park AL9 6NJ

    Received 13 Feb 2017
  22. Decided - Refused6/2021/0262/FULL

    Erection of a detached semi-permanent building for storage purposes

    Sika Limited Watchmead Welwyn Garden City AL7 1BQ

    Received 28 Jan 2021
  23. Decided6/2023/1962/TC

    Fell 3 x Apple Tree

    31 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 25 Sept 2023
  24. Decided - Granted6/2025/1084/LB

    Internal repairs and reinstatement works following escape of water

    2 Ayot House Hill Farm Lane Ayot St Lawrence AL6 9BP

    Received 9 Jun 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.

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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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