PlanningTrack
Get started

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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2022/0549/HOUSE

    Erection of a two storey front extension, first floor side extension and increase in roof height

    4 Bradgate Close Cuffley Potters Bar EN6 4RF

    Received 8 Mar 2022
  2. Decided - GrantedS6/2013/2665/DS

    Discharge of conditions 3 (hard & soft landscaping) and 6 (manure storage and collection) of planning permission S6/2013/1373/FP

    Windmill Farm, Newgate Street, Hertford, SG13 8NH

    Received 19 Dec 2013
  3. Decided - GrantedN6/2007/1828/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    6 HOMESTEAD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4LU

    Received 29 Nov 2007
  4. DecidedN6/2014/1652/TC

    Reduce growth of Lombardy Poplar by 40%

    21 Springfields, Welwyn Garden City, AL8 6XS

    Received 22 Jul 2014
  5. Decided - GrantedN6/2013/2323/LUP

    Certificate of Lawfulness for garage

    19 Great Ley, Welwyn Garden City, AL7 4TJ

    Received 4 Nov 2013
  6. Decided - GrantedS6/2007/0382/LU

    CHANGE OF USE OF BUILDING TO USE AS A SINGLE DWELLING HOUSE.

    The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT

    Received 7 Mar 2007
  7. Decided - RefusedN6/2008/0836/FP

    CHANGE OF USE FROM PUBLIC HIGHWAY TO OUTDOOR SEATING AREA

    CAFFE NERO, 31 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AP

    Received 28 May 2008
  8. Decided - Withdrawn6/2025/2426/COND

    Submission of details pursuant to condition number 1 (Construction methodology) on planning permission 6/2025/0434/FULL

    Marlborough Court Green Close Brookmans Park AL9 7ST

    Received 19 Nov 2025
  9. Decided - Granted6/2022/2132/LAWP

    Certificate of lawful development for a loft conversion with rear dormer and front rooflights

    8 Frampton Road Little Heath Potters Bar Hertfordshire EN6 1JE

    Received 13 Sept 2022
  10. Decided - Granted6/2021/1762/FULL

    Installation of manege riding arena

    Stables at Hawkshead Road, Brookmans Park, Hatfield, EN6 1NL

    Received 4 Jun 2021
  11. Decided - Granted6/2018/1747/HOUSE

    Single storey rear extension to existing garage

    27 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 3 Jul 2018
  12. Decided - Granted6/2020/0058/EM

    Erection of single storey, part two storey rear extension and Installation of windows to existing side and rear elevations. Raising of existing outbuilding's roof to facilitate the upgrading/conversion of outbuilding into habitable space.

    39 Fordwich Road Welwyn Garden City AL8 6EY

    Received 13 Jan 2020
  13. Decided - GrantedN6/2009/2377/AD

    INSTALLATION OF 3 NON-ILLUMINATED POLES SIGNS

    TESCO STORES LTD, CIRRUS BUILDING 1A SHIRE PARK, FALCON WAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1GA

    Received 27 Oct 2009
  14. Decided - GrantedS6/2004/1530/FP

    ERECTION OF ONE NEW DWELLING HOUSE AFTER DEMOLITION OF EXISTING DWELLING

    18 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 12 Oct 2004
  15. Decided - Granted6/2018/0725/HOUSE

    Erection of a single storey front extension

    31 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 19 Mar 2018
  16. Decided - GrantedS6/2015/0762/FP

    Erection of new outbuilding following demolition of existing outbuilding

    29 Warren Close, Hatfield, AL10 0AL

    Received 2 Apr 2015
  17. Decided - GrantedW6/2013/2527/EM

    Installation of rear french doors to replace ground floor window

    64 Woodhall Lane, Welwyn Garden City, AL7 3TF

    Received 26 Nov 2013
  18. Decided - Granted6/2025/0926/EM

    Like for like replacement of the bay and upstairs windows

    117 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 19 May 2025
  19. Decided - Granted6/2016/1773/EM

    Reduce 25 overgrown branches on Bay tree by upto 30% and overgrown branches on 4 Conifer trees by upto 20%

    2 Sherrardspark Road, Welwyn Garden City, AL8 7JP

    Received 17 Aug 2016
  20. Decided - RefusedN6/2013/0810/FP

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

    60 Hertford Road Digswell Welwyn AL6 0BX

    Received 9 Apr 2013
  21. Decided - Granted6/2022/1760/HOUSE

    Retention of porch structure

    8 Homestead Lane Welwyn Garden City Hertfordshire AL7 4LU

    Received 26 Jul 2022
  22. Decided - Granted6/2020/0779/FULL

    Erection of pergola and refurbishment of toilet facilities

    The Wrestlers Public House 89 Great North Road Hatfield AL9 5LP

    Received 25 Mar 2020
  23. Decided - Withdrawn6/2021/2795/EM

    Installation of vehicular crossing to front

    11 Gainswood Welwyn Garden City AL7 3XG

    Received 28 Sept 2021
  24. Decided - GrantedN6/2009/2359/DS

    DISCHARGE OF CONDITION 2 (SAMPLE OF MATERIALS) FROM PLANNING PERMISSION N6/2004/1308/FP

    26 WOODLAND RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LF

    Received 20 Oct 2009

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities