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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
27,275Searchable applications
304Recorded as pending
86%Approval rate · 22,481 approved or refused records
3,043Refused applications

19,438 approved · 3,043 refused · 1,462 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1563/EM

    Fell x1 Horse Chestnut tree

    16 Coneydale Welwyn Garden City AL8 7RZ

    Received 26 Jun 2019
  2. Decided - Granted6/2024/1601/HOUSE

    Erection of single storey side extension following the demolition of existing garage and widening of driveway

    12 High Grove Welwyn Garden City AL8 7DW

    Received 21 Aug 2024
  3. Decided - Granted6/2024/0574/HOUSE

    Erection of single storey part rear extension, replacement of front door and front window, replacement of cladding to front and rear elevations

    1 Stag Green Avenue Hatfield AL9 5EB

    Received 25 Mar 2024
  4. Decided - Refused6/2020/1400/FULL

    Change of use and conversion of existing single storey farm building to form 2 x dwellings, new vehicular access and crossover including alterations to openings

    Lower Farm, 2 Bell Lane, Hatfield, AL9 7AY

    Received 17 Jun 2020
  5. Decided - Granted6/2019/0814/FULL

    Erection of 1 x two bedroom dwelling

    55 Bishops Rise Hatfield AL10 9BX

    Received 3 Apr 2019
  6. Decided - Split6/2015/2519/COND

    Confirmation of compliance with conditions on planning permission S6/2013/0355/FP (Demolition of 8 prefabricated bungalows, construction of 2 houses & 4 bungalows & associated works (affordable housing))

    The Bungalows, Essendon Hill, Essendon, Hatfield, AL9 6AQ

    Received 22 Dec 2015
  7. Decided - Refused6/2019/2330/HOUSE

    Erection of a two storey front, side and rear extension and alterations to openings following demolition of garage

    11 The Green Welwyn AL6 9EA

    Received 23 Sept 2019
  8. Decided - Granted6/2024/2440/HOUSE

    Erection of a single storey rear extension and front porch

    50 Beechfield Road Welwyn Garden City AL7 3RF

    Received 30 Dec 2024
  9. Decided - Refused6/2022/0199/HOUSE

    Erection of two storey side extension

    79 Dellsome Lane Welham Green Hatfield AL9 7NE

    Received 27 Jan 2022
  10. Decided - Granted6/2017/0573/TPO

    To top laurel (A) at 1.5m in height, to fell two ash trees (B & C) and crown reduce ash tree (D) by 30%

    3 Beehive Green Welwyn Garden City AL7 4BE

    Received 20 Mar 2017
  11. Decided - Withdrawn6/2020/2262/HOUSE

    Erection of outbuilding

    33 Church Lane Northaw Potters Bar EN6 4NX

    Received 3 Sept 2020
  12. Decided - Granted6/2016/1950/FULL

    Erection of a two storey apartment building comprising of 8no. two bedroom apartments

    Land adjacent to 82 Great North Road Welwyn AL6 0TA

    Received 22 Sept 2016
  13. Decided - Granted6/2019/2088/EM

    Installation of 2x external burglar alarm boxes

    5 Digswell Lodge Digswell Rise Welwyn Garden City, AL8 7NU

    Received 21 Aug 2019
  14. Decided - Granted6/2025/1670/HOUSE

    Erection of single storey rear and side extension, conversion of existing garage to habitable room, loft conversion, with insertion of rooflights and 1st floor front window and 1st floor rear door and Juliet balcony, windows, including internal alterations and changes to fenestration

    91 The Ryde Hatfield AL9 5DN

    Received 4 Aug 2025
  15. Decided - GrantedN6/2014/1046/HH

    Prior approval for a single storey rear extension

    8 Two Oaks Drive Welwyn AL6 0EZ

    Received 20 May 2014
  16. Decided6/2018/2949/TPO

    Fell 2x T1 Conifer Reduce lower limbs 1x T2 Conifer Reduce and Shape 1x T3 Beech Tree by 2m Reduce and shape 1x T4 Hornbeam by up to 2m

    8 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 15 Nov 2018
  17. Decided - Granted6/2021/0559/VAR

    Variation of condition 16 (Plan Numbers) pursuant to planning permission for erection of 9 x dwellings following demolition of existing dwellings and outbuilding ref: 6/2019/1569/FULL.

    63 New Road Digswell Welwyn AL6 0AL

    Received 22 Feb 2021
  18. Decided - Refused6/2018/1946/HOUSE

    Erection of part single part two storey rear extension and alterations to openings on existing side elevation

    30 Heather Road Welwyn Garden City AL8 6XU

    Received 24 Jul 2018
  19. Decided - Granted6/2024/1505/COND

    Submission of details pursuant of Condition 11 (Refuse & Recycling) 14 (EV Charging Facilities) 16 (Fire Hydrants) and 17 (Accessible and Adaptable Homes) on planning permission 6/2021/3422/MAJ

    Car Park Salisbury Square Hatfield AL9 5AD

    Received 8 Aug 2024
  20. Decided - Refused6/2020/1494/COND

    Submission of details pursuant to condition: 11 (sustainable drainage system), on planning permission 6/2019/0598/MAJ

    Ponsbourne Grange Ponsbourne Park Newgate Street Hertford SG13 8QS

    Received 16 Jun 2020
  21. Decided - Granted6/2018/1337/EM

    Installation of window to replace garage door to facilitate conversion of garage

    312 Knightsfield Welwyn Garden City AL8 7NQ

    Received 21 May 2018
  22. Decided - Granted6/2017/0038/COND

    Approval of details reserved by condition 4 (Verge reinstatement details) and condition 5 (Bat Survey/Ecologist Report) on planning permission 6/2016/1750/HOUSE

    Stocking Lane Cottage Hill Farm Lane Welwyn AL6 9BW

    Received 10 Jan 2017
  23. Decided - Withdrawn6/2016/0408/EM

    Installation of new side door to provide access to a new utility room

    21 Elm Gardens, Welwyn Garden City, AL8 6RX

    Received 7 Mar 2016
  24. Decided - Granted6/2026/0031/HOUSE

    Erection of single storey side extension and installation of air source heat pump unit

    83 Park Meadow Hatfield AL9 5HB

    Received 8 Jan 2026

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

View all applications

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

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    Planning application documents: what to read first

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  • 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.

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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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