England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,288Searchable applications
321Recorded as pending
86%Approval rate · 33,780 approved or refused records
4,816Refused applications

28,964 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/1814/TPO

    Reduce 1 Lilac tree by 1m on height and width, reduce 1 Laurel tree by 3m in height and trim sides plus reduce 1 Cotoneaster tree by 4-5m in height - Conservation Area

    14 Little Dell, Welwyn Garden City, AL8 7HZ

    Received 23 Aug 2016
  2. Decided6/2020/0094/TC

    Fell 1 x Cherry

    53 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 15 Jan 2020
  3. Decided - Granted6/2022/0387/HOUSE

    Erection of front porch

    4 Elmoor Avenue Welwyn Hertfordshire AL6 9PA

    Received 18 Feb 2022
  4. Decided - Granted6/2023/0630/EM

    Erection of single storey rear/side extension with roof light and insertion of window to existing side elevation

    20 Monks Rise Welwyn Garden City AL8 7NF

    Received 21 Mar 2023
  5. Decided - Withdrawn6/2018/0941/HOUSE

    Erection of a two storey side and rear extension and enlarge existing garage

    4 Stonemead Welwyn Garden City AL8 7LX

    Received 9 Apr 2018
  6. Decided - Granted6/2021/0170/COND

    Submission of details pursuant to condition 3 on permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 20 Jan 2021
  7. Decided - WithdrawnN6/2004/1511/FP

    INSTALLATION OF 5 METRE LIGHTING COLUMNS TO GARAGE FORECOURTS

    GARAGES 1 - 5 AT, CROOKHAMS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1PF

    Received 8 Oct 2004
  8. Decided - Refused6/2020/0047/HOUSE

    Partial demolition of garage to facilitate garage extension

    3 High Grove Welwyn Garden City AL8 7DW

    Received 10 Jan 2020
  9. Decided - Withdrawn6/2018/2689/HOUSE

    Formation of front hardstanding and installation of boundary fencing following removal of existing hedge, gate and pavement from door to public pavement

    215 Knella Road Welwyn Garden City AL7 3NT

    Received 22 Oct 2018
  10. Decided - GrantedN6/2012/2537/FP

    Amendment to N6/2012/1090/FP to include a basement to House B

    51 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 28 Nov 2012
  11. Decided - Granted6/2021/3203/EMH

    Erection of a first floor rear extension

    11 Farm Close Welwyn Garden City AL8 6RP

    Received 9 Nov 2021
  12. Decided - GrantedS6/2014/1700/DS

    Approval of details reserved by condition 3 (materials) of S6/2013/2222/FP

    2 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BZ

    Received 28 Jul 2014
  13. Decided - Granted6/2019/1218/TPO

    Reduce lowest lateral branch towards house of 1x Scots Pine by 2 metres.

    3 Birch Grove Welwyn AL6 0QP

    Received 20 May 2019
  14. Decided - Granted6/2024/2282/COND

    Submission of details pursuant of condition 1 (crown roof), 2 (landscaping) on planning permission 6/2024/1516/HOUSE

    61 Homewood Avenue Cuffley Potters Bar EN6 4QQ

    Received 27 Nov 2024
  15. Decided - GrantedW6/2015/0551/EM

    Erection of summerhouse following removal of garden shed and playhouse

    367 Knightsfield, Welwyn Garden City, AL8 7NB

    Received 12 Mar 2015
  16. Decided - Granted6/2017/2252/TPO

    1 x Scotts Pine to fell to ground level covered by TPO 294 (2004)

    9 Wendover Drive Welwyn AL6 9LT

    Received 3 Oct 2017
  17. Decided - GrantedN6/2006/0414/FP

    ERECTION OF PART TWO STOREY AND PART SINGLE STOREY REAR EXTENSION, AND SINGLE STOREY EXTENSION TO GARAGE

    32 The Shaws Welwyn Garden City AL7 2HR

    Received 30 Mar 2006
  18. Decided - Granted6/2016/0612/FULL

    Change of use of ground floor shop from A1 (shops) to mixed use of A1 (shops) and part D1 (non residential institution). Provision of new shopfront.

    17 Bradmore Green, Brookmans Park, Hatfield, AL9 7QR

    Received 4 Apr 2016
  19. Decided - Withdrawn6/2016/2043/LAWP

    Certificate of lawfulness for the erection of a single storey ground floor extension

    14 Welham Manor Welham Green Hatfield AL9 7EL

    Received 3 Oct 2016
  20. Decided - Granted6/2023/1759/HOUSE

    Retention of a rear boundary fence and front right hand side boundary fence

    13 Turpins Ride Welwyn AL6 0QS

    Received 21 Aug 2023
  21. Decided - Granted6/2020/1368/EM

    Erection of a single storey rear and side extension, bin store and shed following demolition of existing outbuilding.

    33 Springfields Welwyn Garden City AL8 6XT

    Received 15 Jun 2020
  22. Decided6/2018/1324/TPO

    Reduce 1 x Beech tree to remove 3 low limbs & reduce back selected higher branches by 2m - Conservation Area

    15 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 18 May 2018
  23. Decided - Granted6/2024/0952/TPO

    T1 Sycamore to crown reduce by 30%. T2 Reduce 1 x Maple by 1.5m in height and 1m on lateral branches. Covered by TPO 675 (2017)

    1 Elmoor Close Welwyn AL6 9PF

    Received 21 May 2024
  24. Decided - RefusedS6/2004/0693/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    36 Astwick Avenue Hatfield AL10 9LA

    Received 10 May 2004

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