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
40,062Searchable applications
298Recorded as pending
86%Approval rate · 33,600 approved or refused records
4,796Refused applications

28,804 approved · 4,796 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2018/1221/HOUSE

    Erection of first floor side extension and conversion of garage

    107 Hatfield Road Little Heath Potters Bar EN6 1HZ

    Received 9 May 2018
  2. Decided - Granted6/2022/2592/EMT

    1 x dead Cherry (growing through Hornbeam) to fell to ground level

    5 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 14 Nov 2022
  3. Decided - Granted6/2021/2898/EMT

    1 x Ivy Clad Cherry to fell to ground level.

    128 Howlands Welwyn Garden City AL7 4RG

    Received 8 Oct 2021
  4. Decided - Granted6/2019/3140/LAWP

    Certificate of lawfulness for the erection of garage

    5 Home Farm Cottages Ponsbourne Park Newgate Street Hertford SG13 8QT

    Received 12 Dec 2019
  5. Decided - Granted6/2024/1216/FULL

    Erection of a replacement dwelling, new garden building and boundary alterations

    32 Pine Grove Brookmans Park AL9 7BS

    Received 28 Jun 2024
  6. Decided6/2023/1943/TC

    T1 London Plane - Re-pollard crown to original pollarding points leaving tree at 5 metres in height approx. The Crown has become large and heavy and broken branches falling into car park.

    19-25 Andre House Suite C Salisbury Square Hatfield AL9 5BT

    Received 20 Sept 2023
  7. Decided - Split6/2017/1711/COND

    Submission of details pursuant to condition 3 v) (details of heating and artificial lighting), 4 (archaeological programme),5 (timber frames) and 6 (historic timbers) on planning permission 6/2016/1650/LB

    Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB

    Received 3 Aug 2017
  8. Decided - GrantedS6/2007/0533/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION WITH CONSERVATORY.

    33 Station Road Welham Green Hatfield AL9 7PF

    Received 2 Apr 2007
  9. Decided6/2025/1600/TC

    Reduce 1 x Hawthorn

    11 Mannicotts Welwyn Garden City AL8 7BW

    Received 25 Jul 2025
  10. Decided - Granted6/2022/0765/EM

    Installation of solar array on roof

    30 Youngs Rise, Welwyn Garden City, AL8 6RU

    Received 29 Mar 2022
  11. Decided - Granted6/2015/2398/FULL

    Conversion of garage to an independent residential dwelling unit including the insertion of 3no rear dormer windows and replacement of new windows and doors

    56 Hertford Road Digswell Welwyn AL6 0BX

    Received 30 Nov 2015
  12. Decided - RefusedN6/2007/0792/TP

    FELLING OF TREE T8 (OAK) COVERED BY TPO 76

    40 Parkside Welwyn AL6 9DQ

    Received 23 May 2007
  13. Decided - Withdrawn6/2016/2295/EM

    Replacement of existing grass with installation of artificial grass to front of property

    19 Russellcroft Road, Welwyn Garden City, AL8 6QX

    Received 2 Nov 2016
  14. Decided - WithdrawnN6/2013/1014/S73A

    Variation of condition 2 (Approved Plans) from planning application N6/2012/1172/FP

    2 Reddings Welwyn Garden City AL8 7LA

    Received 16 May 2013
  15. Decided - Refused6/2021/2978/HOUSE

    Erection of a single storey rear extension, increase in roof height and erection of rear dormer window.

    15 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 18 Oct 2021
  16. Decided - GrantedN6/2014/0824/DS

    Discharge of conditions 3 (materials) and 4 (hard and soft landscaping) of planning permission N6/2013/1938/MA

    Welwyn Hatfield Borough Council, The Campus, Welwyn Garden City, AL8 6AE

    Received 4 Apr 2014
  17. Decided - GrantedS6/2014/2116/FP

    Erection of two storey and single storey side extensions following demolition of existing garage/store

    8 Poplar Avenue, Hatfield, AL10 9SF

    Received 26 Sept 2014
  18. Decided - Granted6/2020/2269/HOUSE

    Erection of a single storey side, first floor rear extension, removal of chimney, alterations to front door canopy, installation of rooflights and external finish from brick to painted render

    11 Cranborne Road Hatfield AL10 8AW

    Received 4 Sept 2020
  19. Appeal Decided - Dismissed6/2019/2812/FULL

    Erection of 4 x dwellings

    Sienna House 8 Brownfields Court Brownfields AL7 1AJ

    Received 6 Nov 2019
  20. Decided - GrantedS6/2008/0435/AD

    INSTALLATION OF INTERNALLY ILLUMINATED BOX FASCIA SIGN

    9 MARKET PLACE, HATFIELD, HERTFORDSHIRE, AL10

    Received 27 Feb 2008
  21. Decided - Granted6/2025/0994/COND

    Submission of details pursuant of condition 5 (Site Waste Management Plan) on planning permission 6/2024/0105/MAJ

    Land north of the Meadway Cuffley Potters Bar EN6 4ET

    Received 28 May 2025
  22. Decided - GrantedN6/2014/0571/TC

    Removal of dead tree

    6 The Lawns, Welwyn Garden City, AL8 7HU

    Received 10 Mar 2014
  23. Appeal Decided - Allowed6/2023/1772/PN27

    Prior approval for the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of approximately 8.6m in height

    Meadow Croft Great North Road Hatfield AL9 6DB

    Received 22 Aug 2023
  24. Under Consideration6/2025/2361/VAR

    Variation of condition number 56 (approved plans) on planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL8 6UN

    Received 10 Nov 2025

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