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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
40,146Searchable 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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2004/1278/FP

    ERECTION OF A DETACHED BARN/WORKSHOP

    Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB

    Received 23 Aug 2004
  2. Decided - GrantedN6/2007/0228/LB

    INSTALLATION OF 2 NO. JUMBRELLAS TO REAR GARDEN, ERECTION OF TIMBER PICKET FENCE AND PAVING TO FORM PATIO

    Attimore Hall Ridgeway Welwyn Garden City AL7 2AD

    Received 12 Feb 2007
  3. Decided - Granted6/2026/0362/HOUSE

    Part conversion of existing garage to facilitate a utility and shower room and alterations to fenestration

    18 Turmore Dale Welwyn Garden City AL8 6HS

    Received 26 Feb 2026
  4. Decided - Granted6/2023/0910/EMH

    Raising up of utility room roof and installation of new door and window

    34 Barleycroft Road Welwyn Garden CityA L8 6JU

    Received 28 Apr 2023
  5. Decided - GrantedW6/2015/1287/EM

    Erection of single storey rear extension

    139 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 16 Jun 2015
  6. Decided - GrantedS6/2007/1116/AD

    ERECTION OF THREE INTERNALLY ILLUMINATED FASCIAS AND TWO FREE STANDING SIGNS

    164 Great North Road Hatfield AL9 5JN

    Received 26 Jul 2007
  7. Decided - GrantedN6/2006/0042/FP

    FIRST FLOOR SIDE EXTENSION, PART CONVERSION OF GARAGE AND INFILL OF SIDE PASSAGE

    54 Digswell Park Road Welwyn Garden City AL8 7NS

    Received 13 Jan 2006
  8. Decided - WithdrawnS6/2014/2402/FP

    Erection of three dwellings

    19 Sibthorpe Arms Station Road Welham Green Hatfield AL9 7PL

    Received 30 Oct 2014
  9. Decided - Withdrawn6/2021/2110/COND

    Submission of details pursuant to condition 4 (ground contamination), on planning permission 6/2018/3292/MAJ

    Land adjacent to 45 Broadwater Road, Welwyn Garden City, AL7 3AX

    Received 13 Jul 2021
  10. Decided - Split6/2021/1618/COND

    Submission of details pursuant to conditions 25 (material samples) and 29 (noise assessment), on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 20 May 2021
  11. Decided - Granted6/2020/1717/EMT

    Fell 1 x Yew tree

    15 The Old Drive Welwyn Garden City AL8 6TB

    Received 14 Jul 2020
  12. Decided - Granted6/2026/0722/HOUSE

    Proposed loft conversion including formation of a rear dormer and front rooflights

    43 Appletree Way Welwyn Garden City AL7 2FE

    Received 23 Apr 2026
  13. Decided - Granted6/2017/0657/HOUSE

    Erection of single storey side extension

    54 Attimore Road Welwyn Garden City AL8 6LP

    Received 31 Mar 2017
  14. Decided - Granted6/2024/0423/HOUSE

    Erection of a single storey front extension and part single part two storey rear extension following demolition of existing conservatory

    7 Glebe Road Welwyn AL6 9PB

    Received 4 Mar 2024
  15. Decided - Granted6/2023/1419/HOUSE

    Erection of first floor side/rear and single storey rear extension and alteration of front dormer from flat to pitched roof

    2 Warwick Close Cuffley Potters Bar EN6 4RT

    Received 7 Jul 2023
  16. Decided - WithdrawnN6/2006/0058/LB

    CONVERSION AND EXTENSION OF BARN TO FORM DWELLING AND REPLACEMENT OF EXISTING GARAGES

    BADGER COTTAGE, 6 WHITEHILL, WELWYN, HERTFORDSHIRE, AL6 9AF

    Received 17 Jan 2006
  17. Decided - GrantedN6/2013/0484/LUP

    Certificate of lawfulness for conversion of garage to form habitable room with alterations to front elevation to replace garage door with a window

    259 Handside Lane, WELWYN GARDEN CITY, AL8 6TF

    Received 6 Mar 2013
  18. Decided6/2021/0564/TC

    Fell 1 x Yew tree covered by conservation area

    The Old Manse 40 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 22 Feb 2021
  19. Decided - GrantedS6/2014/1818/LB

    Erection of porch following demolition of existing porch, infill of door and alterations to ground and first floor window

    Dimsdale House, Essendon Place, High Road, Essendon, Hatfield, AL9 6GZ

    Received 14 Aug 2014
  20. Decided - GrantedN6/2009/0296/FP

    ERECTION OF REAR CONSERVATORY

    3 Somersham Welwyn Garden City AL7 2PZ

    Received 12 Feb 2009
  21. Decided - GrantedS6/2013/0330/FP

    Erection of single storey timber building in rear garden

    38-40 Crawford Road Hatfield AL10 0PE

    Received 11 Feb 2013
  22. Decided - Refused6/2020/3200/HOUSE

    Proposed single storey rear extension, two storey rear bay and two storey front extension with covered entrance. Roof alterations to facilitate 4 new gables and revisions to existing dormer windows.

    28 School Lane Welwyn AL6 9PH

    Received 30 Nov 2020
  23. Decided - GrantedS6/2006/0618/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND REAR DORMER TO PROVIDE BATHROOM ACCOMMODATION AT FIRST FLOOR LEVEL

    4 Gobions Way Little Heath Potters Bar EN6 1NW

    Received 15 May 2006
  24. Decided - GrantedS6/2013/1571/FP

    Extension to existing gym and addition of roof lights on main roof

    2 Hanyards Lane, Cuffley, Potters Bar, EN6 4AS

    Received 25 Jul 2013

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

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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

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    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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