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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2014/0725/TC

    Remove dead and rotten branches from Cockspur Thorn tree and reduce by 12ft

    30 Guessens Road, Welwyn Garden City, AL8 6RA

    Received 31 Mar 2014
  2. Decided - GrantedS6/2009/1816/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    2 PARK CLOSE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RS

    Received 17 Aug 2009
  3. Decided - Refused6/2017/0452/EM

    Erection of first floor side extension and insertion of port hole window to existing front elevation

    22 Stanborough Road Welwyn Garden City AL8 6XD

    Received 7 Mar 2017
  4. Decided - WithdrawnN6/2014/0321/NM

    Variation of conditions. Proposed raising in height of approved dwellings by 646mm

    24 Prospect Place Welwyn AL6 9EN

    Received 20 Feb 2014
  5. Decided - Granted6/2019/2161/HOUSE

    Erection of a part single, part two storey rear extension, linked side extension and alterations to front fenestrations

    37 Bridge Road Welwyn Garden City AL8 6UG

    Received 2 Sept 2019
  6. DecidedN6/2008/2165/TC

    CROWN LIFT TO 3.0 METRES.

    LAND ADJACENT TO, 9 SCOTTS VIEW, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HF

    Received 14 Nov 2008
  7. Decided - GrantedS6/2007/0830/FP

    ERECTION OF TWO STOREY FRONT, SIDE AND REAR EXTENSION AND NEW PORCH

    57 Holloways Lane Welham Green Hatfield AL9 7NU

    Received 8 Jun 2007
  8. Decided - Granted6/2026/0036/HOUSE

    Erection of a timber orangery to replace existing conservatory

    5 Guessens Walk Welwyn Garden City AL8 6QS

    Received 9 Jan 2026
  9. Decided - Granted6/2024/1965/HOUSE

    Installation of air source heat pump

    17 Bedwell Close Welwyn Garden City AL7 3XH

    Received 14 Oct 2024
  10. Decided - SplitS6/2012/2596/DS

    Discharge of condition 12 (Borehole Investigation) from planning permission S6/2012/1181/MA

    University of Hertfordshire, College Lane, HATFIELD, AL10 9AB

    Received 11 Dec 2012
  11. Decided - Granted6/2020/2181/HOUSE

    Erection of a single storey rear extension

    9 Hook Lane Northaw Potters Bar EN6 4DA

    Received 27 Aug 2020
  12. Decided - GrantedS6/2004/1732/FP

    SINGLE STOREY FRONT EXTENSION TO GARAGE

    123 Moffats Lane Brookmans Park Hatfield AL9 7RP

    Received 24 Nov 2004
  13. Decided - Granted6/2015/1667/ADV

    Replacement of existing signage with no. 1 internally illuminated fascia sign & no. 1 internally illuminated hanging sign

    38 Wigmores North,Welwyn Garden City,AL8 6PH

    Received 5 Aug 2015
  14. Decided - GrantedN6/2004/0986/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND SINGLE STOREY REAR EXTENSION

    Jabez Cottage Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD

    Received 29 Jun 2004
  15. Decided - Granted6/2017/0863/ADV

    Retention of 1 x internally illuminated fascia and retention of 1 x non-illuminated floor standing sign.

    Highwoods 2 Falcon Way Welwyn Garden City AL7 1TW

    Received 26 Apr 2017
  16. Decided - GrantedW6/2007/1025/EM

    ERECTION OF TWO STOREY REAR AND PART SINGLE STOREY REAR EXTENSION AND INSTALLATION OF NEW WINDOW IN SIDE ELEVATION

    101 Ludwick Way, Welwyn Garden City, AL7 3PL

    Received 5 Jul 2007
  17. Decided - Withdrawn6/2018/2143/EM

    Reduce 1 x Plum tree by 3m & trim sides

    4 Valley Road Welwyn Garden City AL8 7DF

    Received 17 Aug 2018
  18. Decided - Refused6/2018/3251/OUTLINE

    Outline permission for erection of 1x dwelling with all matters reserved except access and layout

    Garden Cottage Danesbury Park Road Welwyn AL6 9SE

    Received 20 Dec 2018
  19. Decided - RefusedW6/2014/0327/EM

    Erection of first floor side extension

    71 Rosedale, Welwyn Garden City, AL7 1DP

    Received 10 Feb 2014
  20. Decided - Granted6/2024/0848/COND

    Submission of details pursuant to condition 1 (hard and soft landscaping) on planning permission 6/2023/2254/FULL

    14 Southdown Road Hatfield AL10 8TA

    Received 7 May 2024
  21. Decided - GrantedN6/2009/0199/DS

    DISCHARGE OF CONDITION 3 (SAMPLES OF MATERIALS) OF PLANNING APPLICATION N6/2008/1671/FP

    23 Blakemere Road, Welwyn Garden City, AL8 7PQ

    Received 29 Jan 2009
  22. Decided - Granted6/2020/0487/FULL

    Alterations to openings and the building entrance, installation of an access ramp and new signage and installation of air conditioning units

    HSBC Howardsgate Welwyn Garden City AL8 6BH

    Received 20 Feb 2020
  23. Decided - Granted6/2021/0651/HOUSE

    Erection of double storey side extension and single storey rear extension.

    14 Gorse Close Hatfield AL10 9DW

    Received 1 Mar 2021
  24. Decided - Granted6/2017/1995/COND

    Submission of details pursuant to condition 2 (tree protection plan & arboricultural method statement) on planning permission 6/2016/2689/FULL, dated 06/04/2017

    The Stables Station Road Welham Green Hatfield AL9 7SE

    Received 5 Sept 2017

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