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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2019/0345/LAWP

    Certificate of lawfulness for the erection of single storey orangery

    Woodfield House Woodfield Lane Brookmans Park Hatfield AL9 6JJ

    Received 14 Feb 2019
  2. Decided - Granted6/2016/1860/TPO

    Reduce Willow tree by 30% - Conservation Area

    6 High Oaks Road, Welwyn Garden City, AL8 7BH

    Received 5 Sept 2016
  3. Decided - Granted6/2017/0569/VAR

    Variation of conditions 1 (Plans) 2 & 3 (Landscaping) on Planning permission 6/2016/0359/FULL

    1 Robin Way Cuffley Potters Bar EN6 4QB

    Received 20 Mar 2017
  4. Decided - WithdrawnN6/2004/1498/FP

    INSTALLATION OF 5M LIGHTING COLUMNS TO GARAGE FORECOURTS

    GARAGES, 53-68 DANIELLS, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 8 Oct 2004
  5. Decided - GrantedN6/2013/1361/TC

    40% Crown reduction of cherry tree located in rear garden

    130 Howlands, Welwyn Garden City, AL7 4RG

    Received 25 Jun 2013
  6. Decided - GrantedN6/2013/2090/FP

    Erection of single storey extension and erection of a first floor side extension above existing side extension

    4 The Glade, Welwyn Garden City, AL8 7LG

    Received 2 Oct 2013
  7. Call In/Major Objection6/2026/1441/FULL

    Erection of one two-storey five bedroom detached dwelling and eight two bedroom flats laid out within two two storey blocks of four and associated infrastructure and landscape works following the demolition of the existing dwelling and separate detached building

    22 The Avenue Welwyn AL6 0PP

    Received 17 Aug 2026
  8. Decided - Granted6/2019/2221/HOUSE

    Erection of part single, part two storey side extension and installation of gable roof to front dormer

    11 Thrush Lane Cuffley Potters Bar EN6 4JU

    Received 6 Sept 2019
  9. Decided - Granted6/2016/1123/EM

    Removal of Sycamore tree located on boundary

    5 Heather Road, Welwyn Garden City, AL8 6XX

    Received 7 Jun 2016
  10. Decided - Granted6/2024/1564/HOUSE

    Erection of single storey rear extension following the demolition of existing shed and alterations to landscaping

    46 Barnfield Road Welwyn Garden City AL7 3TQ

    Received 16 Aug 2024
  11. Decided - GrantedN6/2005/1491/FP

    ERECTION OF TWO STOREY & SINGLE STOREY REAR EXTENSION

    52 Longcroft Gardens Welwyn Garden City AL8 6JR

    Received 2 Dec 2005
  12. Decided - GrantedW6/2014/0853/TE

    Reduce Oak tree by 20% and removal of Leylandii tree

    13 Reddings, Welwyn Garden City, AL8 7LA

    Received 28 Apr 2014
  13. Decided - Granted6/2015/2030/EM

    Reduce Lime tree by upto 50%

    326 Knightsfield, Welwyn Garden City, AL8 7NQ

    Received 29 Sept 2015
  14. Decided - GrantedW6/2013/0970/EM

    Loft conversion incorporating two rear dormer windows

    7 Parkway Close, WELWYN GARDEN CITY, AL8 6HJ

    Received 13 May 2013
  15. Decided - GrantedN6/2009/0950/MA

    ERECTION OF NURSING HOME WITH RESPITE CARE AND ANCILLARY SERVICES, FOLLOWING DEMOLITION OF EXISTING BUILDING

    59 London Road Woolmer Green Knebworth SG3 6JE

    Received 5 May 2009
  16. Decided6/2026/0546/TC

    1 x sycamore to fell to ground level. 2 x sycamore to repollard. 1 x dead cherry plum stem to remove.

    48 Elmwood Welwyn Garden City AL8 6LE

    Received 24 Mar 2026
  17. DecidedN6/2008/2089/TE

    REDUCE WILLOW TREE AND REDUCE BEECH TREE BY 30%, BOTH TREES IN REAR GARDEN

    7 HIGH GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DW

    Received 5 Nov 2008
  18. Decided6/2026/0136/TC

    1 x Japanese Elm to fell. 2 x Hornbeam to fell.

    17 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 27 Jan 2026
  19. Decided - Granted6/2016/2365/EM

    Reduce Hornbeam tree by 30%

    4 The Glade Welwyn Garden City AL8 7LG

    Received 25 Oct 2016
  20. Decided - Refused6/2024/0826/LAWP

    Certificate of lawfulness for erection of proposed rear outbuilding

    74 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 1 May 2024
  21. Decided - Granted6/2020/2250/TPO

    To fell Pine T1, T2, T3, T4, T5, T6

    42A New Road Digswell Welwyn AL6 0AH

    Received 2 Sept 2020
  22. Decided - Granted6/2024/1536/LAWP

    Certificate of lawfulness for new porch, side door removal, new rear bi-folding rear doors, chimney removal, front and rear roof lights and proposed rear dormer

    175 Blythway Welwyn Garden City AL7 1DS

    Received 13 Aug 2024
  23. Decided - Granted6/2019/3101/FULL

    Change of use from B1(c) light industrial to a gym (D2)

    Unit 3 Swallow End Welwyn Garden City AL7 1JA

    Received 9 Dec 2019
  24. Decided - Split6/2017/0177/COND

    Approval of details reserved by conditions 2a (Finished Levels) 2d (Tree Protection) 2e (Planting Plans) 2f (Open Space for Local Area or Local Equipped Area for play ) and 2g (Management & Maintenance) on planning permission N6/2013/2563/DE

    The Frythe 5 Digswell Hill Welwyn AL6 9AR

    Received 24 Jan 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

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    Planning permission drawings: how to read plans

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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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