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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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2021/0422/HOUSE

    Erection of a detached garden room to the rear of the property

    6 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 10 Feb 2021
  2. Decided - Granted6/2017/2149/EM

    Fell Willow tree located in rear garden to ground level

    54 Woodhall Court Welwyn Garden City AL7 3TD

    Received 22 Sept 2017
  3. Decided6/2021/1925/TC

    1 x Yew - fell 1 x Wild Plum - reduce width over garden, patio and cabin by 2m and reduce limb over neighbours garden by 1.2m

    16 Fordwich Road Welwyn Garden City AL8 6EY

    Received 24 Jun 2021
  4. Decided - Granted6/2021/3507/HOUSE

    Erection of single storey front, rear and side extension, garage conversion and loft conversion

    11 Church Close Cuffley Potters Bar EN6 4LS

    Received 20 Dec 2021
  5. Decided - Withdrawn6/2020/2424/TC

    Conifer (T1) Fell due to excessive shading and low amenity value. Replace with one Japanese Privet Tree.

    21 Harwood Close Welwyn Garden City AL8 7ST

    Received 22 Sept 2020
  6. Decided - Granted6/2018/2946/FULL

    Erection of temporary secure vehicular storage area with associated security fencing

    Plot 5610, Hatfield Business Park, Gypsy Moth Avenue, Hatfield, AL10 9BS

    Received 15 Nov 2018
  7. Decided - GrantedN6/2010/0062/TE

    REDUCE TWO FIELD MAPLE TREES BY 25% IN HEIGHT

    131 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA

    Received 11 Jan 2010
  8. Decided - Granted6/2020/2823/TPO

    1 x Douglas Fir (T24) - Full crown reduction removing approximately 2.5-3m in height and approximately 1.5m off the side of the crown retaining a natural canopy of crown. Plus removal of any dead wood in crown.

    17 Wendover Drive Welwyn AL6 9LT

    Received 28 Oct 2020
  9. Decided - GrantedW6/2013/1122/EM

    Erection of single storey rear extension, replacement garage and new shed

    4 Youngs Rise, WELWYN GARDEN CITY, AL8 6RU

    Received 31 May 2013
  10. Decided - GrantedS6/2009/2283/FP

    CHANGE OF USE OF LAND TO EXTEND EXISTING CHURCHYARD

    Essendon House Church Street Essendon Hatfield AL9 6AR

    Received 14 Oct 2009
  11. Decided - Refused6/2018/0286/COND

    Confirmation that conditions attached to application N6/2005/1517/MA have been complied with

    1-9 (odd) and Flats 2-32 (even) Amethyst Walk, Welwyn Garden City, AL8 6UX

    Received 29 Jan 2018
  12. Decided - Granted6/2020/3097/EMT

    3 x Oaks to reduce by 1.5m height & width

    13 Willow Grove Welwyn Garden City AL8 7NA

    Received 20 Nov 2020
  13. Decided - Refused6/2023/1520/LAWP

    Certificate of lawfulness for first floor infill rear extension

    Hornbeams 2A Firway Welwyn AL6 0RD

    Received 20 Jul 2023
  14. Decided - Granted6/2017/2439/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory

    10 Lodgefield Welwyn Garden City AL7 1SD

    Received 23 Oct 2017
  15. Decided - GrantedN6/2013/2347/DS

    Discharge of condition 4 of (new and replacement windows, rooflights and doors) of planning permission N6/2010/0962/LB

    Badger Cottage, 6 Whitehill, Ayot St Peter, Welwyn, AL6 9AF

    Received 11 Nov 2013
  16. Decided - Withdrawn6/2026/1124/FULL

    Proposed construction of new house and garage following demolition of existing house and garage

    39 The Ridgeway Northaw EN6 4BD

    Received 29 Jun 2026
  17. Decided - Granted6/2015/2325/HOUSE

    Erection of rear conservatory

    39 Skimpans Close, Welham Green, Hatfield, AL9 7PA

    Received 18 Nov 2015
  18. Decided - GrantedN6/2012/1266/DS

    Discharge of conditions 3 (Trees) and 4 (Materials) from planning permission N6/2011/1555/FP

    35 Turpins Ride Welwyn AL6 0QU

    Received 21 Jun 2012
  19. Decided - Refused6/2020/2340/HOUSE

    Single storey side extension and infill extension to covered area at side of property, part single storey, part two storey side/rear extension following demolition of existing conservatory and insertion of 3X roof lanterns and 3X roof lights.

    5 Pentley Park Welwyn Garden City AL8 7RT

    Received 14 Sept 2020
  20. Decided - GrantedN6/2008/0579/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    168 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HZ

    Received 18 Mar 2008
  21. Decided6/2021/2565/TC

    2 x Lombardy Poplar - reduce back to most recent and established pruning points (approx. 30% reduction)

    10 Heather Road Welwyn Garden City AL8 6XU

    Received 3 Sept 2021
  22. Decided - Granted6/2018/2684/EM

    Remove last stem of 1 x Hornbeam tree

    2 Beehive Green Welwyn Garden City AL7 4BE

    Received 19 Oct 2018
  23. Decided - Granted6/2023/1529/EM

    Replacement roof tiles and cladding around dormer windows with reduction in height of chimney

    26 Reddings, Welwyn Garden City, AL8 7LA

    Received 21 Jul 2023
  24. Decided - Granted6/2016/2108/FULL

    Change of use to gymnasium from A1 (Shops) to D2 (Assembly & Leisure)

    Unit 54 The Howard Centre Howardsgate, AL8 6HA

    Received 7 Oct 2016

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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