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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2022/1734/PN8

    Prior approval for the erection of a single storey glass veranda 5.4m in depth, 3.2m in height and 2.6m to the eaves

    22 Roman Way Welwyn AL6 9RJ

    Received 25 Jul 2022
  2. Decided6/2017/1389/TPO

    Fell existing Eucalyptus tree- Conservation Area

    7 Handside Lane Welwyn Garden City AL8 6SE

    Received 14 Jun 2017
  3. Decided - Granted6/2019/2932/VAR

    Variation of condition 7 (approved drawings) on planning permission 6/2017/2693/FULL

    47 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 21 Nov 2019
  4. Decided - Granted6/2019/0765/EM

    Erection of shed

    18 Kirklands Welwyn Garden City AL8 7RD

    Received 1 Apr 2019
  5. Decided - GrantedW6/2013/1620/EM

    Erection of two storey rear and single storey rear & side extensions

    16 Sherrardspark Road, Welwyn Garden City, AL8 7JP

    Received 30 Jul 2013
  6. Decided - Granted6/2016/0931/HOUSE

    Erection of two storey rear extension

    6A Hill Rise, Cuffley, Potters Bar, EN6 4EE

    Received 13 May 2016
  7. Decided - Granted6/2021/1076/EMH

    Erection of canopy and alterations to fenestration and openings

    26 Marsden Green Welwyn Garden City AL8 6YA

    Received 31 Mar 2021
  8. Decided6/2026/1701/TC

    Damson tree to remove the overgrowing limb from 32 Barleycroft over the fence into 30 Barleycroft Road.

    30 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 28 Sept 2026
  9. Decided - Granted6/2017/1308/FULL

    Installation of timber bridge

    Fir and Pond Woods Nature Reserve Coopers Lane Road Potters Bar EN6 4DG

    Received 15 Jun 2017
  10. Decided - Granted6/2017/1722/EM

    Installation of roof light to rear elevation

    17 Elmwood Welwyn Garden City AL8 6LD

    Received 26 Jul 2017
  11. Decided - GrantedN6/2012/2635/LUP

    Certificate of lawfulness for proposed erection of garage/carport and log store

    Clematis Cottage, Ayot Little Green Lane, Ayot St Peter, WELWYN, AL6 9BD

    Received 20 Dec 2012
  12. Decided - Granted6/2021/2813/EMT

    Fell Cypress tree to the rear of the property

    47 Elmwood Welwyn Garden City AL8 6LD

    Received 29 Sept 2021
  13. Decided - Withdrawn6/2015/1664/LAWP

    Certificate of lawfulness for the erection of single storey rear and two storey extension, loft conversion and rear dormer

    7 Astwick Avenue Hatfield AL10 9LB

    Received 5 Aug 2015
  14. Decided - Granted6/2026/1526/HOUSE

    Erection of a single storey side extension and a new garage on ground floor level, conversion of the existing garage and installation of an air source heat pump

    32 Turpins Chase Welwyn AL6 0RR

    Received 1 Sept 2026
  15. Decided - Granted6/2020/0091/HOUSE

    Erection of a single storey rear extension

    2 Holly Road Knebworth SG3 6LL

    Received 15 Jan 2020
  16. Decided - RefusedN6/2007/1873/FP

    CHANGE OF USE FROM A1 (RETAIL) TO A2 (FINANCIAL AND PROFESSIONAL SERVICES)

    25 Station Road Digswell Welwyn AL6 0DU

    Received 6 Dec 2007
  17. Decided - RefusedS6/2004/1043/FP

    INSTALLATION OF FRONT BOUNDARY WALL AND GATES.

    3 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 8 Jul 2004
  18. Decided - Granted6/2022/2222/HOUSE

    Erection of a single-storey rear extension and garage conversion and rear extension

    2 Nimrod Drive Hatfield AL10 9LS

    Received 26 Sept 2022
  19. Decided - GrantedW6/2014/1543/TE

    Reduce Ash and Sycamore trees by upto 30%

    2 Stonemead, Welwyn Garden City, AL8 7LX

    Received 10 Jul 2014
  20. Decided - Granted6/2022/1747/FULL

    Erection of extension and removal of outbuildings

    Ayot Green Sawmill 27 Ayot Green Ayot St Peter Welwyn AL6 9BA

    Received 25 Jul 2022
  21. Decided - Granted6/2016/0877/LAWP

    Certificate of lawfulness for the proposed erection of single storey rear extension

    145 Cole Green Lane, Welwyn Garden City, AL7 3JG

    Received 6 May 2016
  22. Decided - RefusedS6/2007/0542/FP

    ERECTION OF A DETACHED GARAGE FOLLOWING THE DEMOLITION OF EXISTING GARAGE

    74 Pooleys Lane Welham Green Hatfield AL9 7LF

    Received 2 Apr 2007
  23. Decided - Refused6/2017/0156/HOUSE

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

    37 Chelwood Avenue Hatfield AL10 0RF

    Received 27 Jan 2017
  24. Decided - Granted6/2026/0732/EM

    Installation of solar panel on rear south-facing roof

    3 Coneydale Welwyn Garden City AL8 7RX

    Received 24 Apr 2026

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

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    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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