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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2013/0832/TE

    Crown reduce false acacia tree by upto 30%

    9 Moorside, WELWYN GARDEN CITY, AL7 4QH

    Received 23 Apr 2013
  2. Decided - Refused6/2024/0761/LAWP

    Certificate of lawfulness for the erection of a single storey outbuilding

    85 Chelwood Avenue Hatfield AL10 0RF

    Received 24 Apr 2024
  3. Decided - GrantedS6/2014/2240/HH

    Prior approval for a single storey rear extension

    53 Dragon Road Hatfield AL10 9LY

    Received 10 Oct 2014
  4. Decided - GrantedN6/2015/0525/DS

    Approval of details reserved by condition 3 (materials) of planning permission N6/2014/1255/FP - Erection of part single, part two storey rear extensions, conversion of storage areas and erection of a garden shed

    330 Knightsfield, Welwyn Garden City, AL8 7NQ

    Received 6 Mar 2015
  5. Decided - Granted6/2025/0025/EM

    Replacement of old crazy paved drive with minimal extra width

    25 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 7 Jan 2025
  6. Decided - Refused6/2018/1050/LB

    Installation of part front vertical timber cladding

    The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ

    Received 23 Apr 2018
  7. Decided - Withdrawn6/2023/0397/HOUSE

    Erection of part-rear and side single storey extension with internal alterations following the demolition of rear lean too extension, two sheds and removal of a caravan

    The Cottage Oshwal Centre Coopers Lane Road Northaw Potters Bar EN6 4DG

    Received 20 Feb 2023
  8. Decided - RefusedN6/2013/1810/FP

    Erection of two storey side and single storey side extensions

    60 Bushey Ley, Welwyn Garden City, AL7 3HN

    Received 21 Aug 2013
  9. Decided - Granted6/2016/1996/EM

    Fell Ash and Cherry tree

    9 High Oaks Road, Welwyn Garden City, AL8 7BJ

    Received 23 Sept 2016
  10. Appeal Decided - Dismissed6/2016/2442/ADV

    Retention of a non-illuminated sign measuring 1.5m. in height, 1m. in depth and 1m. in width situated on a stationary vehicle.

    61 Bridge Road East Welwyn Garden City AL7 1JR

    Received 18 Nov 2016
  11. Decided - GrantedS6/2013/0630/FP

    Erection of single storey rear extension

    15 Rectory Close, Essendon, HATFIELD, AL9 6HG

    Received 29 Mar 2013
  12. Decided - GrantedN6/2015/0344/FP

    Change of use from amenity land to garden grass land with access use

    150 Heronswood Road, Welwyn Garden City, AL7 3EU

    Received 18 Feb 2015
  13. Decided - Granted6/2018/2874/HOUSE

    Erection of single storey rear extension following demolition of existing rear extension

    39 Rosedale Welwyn Garden City AL7 1DW

    Received 8 Nov 2018
  14. Decided - Granted6/2021/1367/COND

    Submission of details pursuant to condition 1 (spec on sky light), on planning permission 6/2020/2837/HOUSE

    217 Handside Lane Welwyn Garden City AL8 6TF

    Received 28 Apr 2021
  15. Decided - GrantedN6/2004/0880/FP

    ERECTION OF TWO STOREY SIDE EXTENSION.

    52 Great North Road Welwyn Garden City AL8 7TL

    Received 9 Jun 2004
  16. DecidedN6/2013/1968/DS

    Discharge of condition 5 (Remediation Scheme Verification Report), 6 (Remediation Method Statement) for planning permission N6/2012/0863/FP - Erection of dwelling and detached garage

    The Carriage House 8 Codicote Road Welwyn AL6 9NB

    Received 17 Sept 2013
  17. Decided - GrantedW6/2014/0515/EM

    Alterations to extend existing hardstanding

    25 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 11 Mar 2014
  18. Decided - Granted6/2023/2141/COND

    Confirmation that all conditions relating to planning permission N6/2011/2616/S73B have been discharged

    9, 11, and 22-36 (even) Leefield, Welwyn Garden City, AL7 2FB

    Received 20 Oct 2023
  19. Decided - GrantedN6/2007/0343/FP

    ERECTION OF REAR CONSERVATORY

    5 Moorside Welwyn Garden City AL7 4QH

    Received 1 Mar 2007
  20. Decided - GrantedN6/2014/2468/DS

    Discharge of condition 3 (landscaping details) from approved planning application N6/2014/1090/FP

    21E Canonsfield Welwyn AL6 0QB

    Received 10 Nov 2014
  21. Decided - Granted6/2019/0316/LAWP

    Certificate of lawfulness for the erection of single storey rear extension with alterations to openings

    14 Brocket Road Welwyn Garden City AL8 7TY

    Received 12 Feb 2019
  22. Decided - Granted6/2020/1841/LB

    Erection of new detached garage.

    3 Mill Green Cottages Mill Green Bush Hall Lane Hatfield AL9 5PB

    Received 27 Jul 2020
  23. Decided - Withdrawn6/2017/1264/LAWP

    Certificate of lawfulness for the conversion of existing loft, with installation of 4 x rear roof lights and 2 x front roof lights

    23 Woodlands Brookmans Park Hatfield AL9 7AN

    Received 9 Jun 2017
  24. Decided - Granted6/2017/1869/PN14

    Prior approval for the demolition of 2 x semi-detached houses

    98-102 Great North Road Hatfield AL9 5DB

    Received 22 Aug 2017

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