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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
23,494Searchable applications
313Recorded as pending
86%Approval rate · 19,188 approved or refused records
2,684Refused applications

16,504 approved · 2,684 refused · 1,212 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/0779/LAWE

    Certificate of lawfulness for the existing hardstanding for two cars to the front of the property

    55 High Dells Hatfield AL10 9JD

    Received 5 May 2026
  2. Decided - Granted6/2024/1586/FULL

    Erection of a three bedroom detached dwellinghouse

    105 Great North Road Hatfield AL9 5LR

    Received 21 Aug 2024
  3. Decided - Granted6/2020/2305/EM

    Installation of front window to replace existing and replace access door with brickwork

    40 Westly Wood Welwyn Garden City AL7 1QL

    Received 8 Sept 2020
  4. Decided - Refused6/2018/2350/FULL

    Change of use from amenity land to residential land, to facilitate extension of existing dropped kerb and insertion of new dropped kerb to form part of new front driveway layout

    6 High Oaks Road Welwyn Garden City AL8 7BH

    Received 14 Sept 2018
  5. Decided - Granted6/2022/2898/EM

    Installation of new double glazed windows to replace old single glazed, in keeping with neighbouring properties and new front door

    51 Parkway Welwyn Garden City AL8 6JQ

    Received 22 Dec 2022
  6. Decided - Granted6/2019/0175/VAR

    Variation of condition 1 (opening hours) on planning permission 6/2018/2589/FULL to 09:00 to 20:00 Mondays to Saturdays

    Ivy Cottage 2 Codicote Road Welwyn AL6 9NB

    Received 29 Jan 2019
  7. Decided - Granted6/2017/0824/LAWP

    Certificate of lawfulness for erection of single storey rear extension at ground level

    318 Howlands Welwyn Garden City AL7 4HD

    Received 21 Apr 2017
  8. Decided - Granted6/2016/0152/COND

    Approval of details reserved by condition condition 4 (tree protection plan) on planning permission N6/2014/1307/FP - Erection of 2 first floor side extensions.

    7 Densley Close, Welwyn Garden City, AL8 7JX

    Received 14 Jan 2016
  9. Decided - Granted6/2019/2863/EM

    Alteration to the front extension, incorporating the covered terrace areas into the dwelling envelope

    30 Turmore Dale Welwyn Garden City AL8 6HS

    Received 13 Nov 2019
  10. Decided - Refused6/2021/0914/HOUSE

    Extension of brick pillars and erection of 2 x front gates

    9 Georges Wood Road Hatfield AL9 7BY

    Received 22 Mar 2021
  11. Decided - Granted6/2017/1849/EM

    Fell 5 x Ash trees (T1-5) in rear garden

    19 Picketts Welwyn Garden City AL8 7HJ

    Received 21 Aug 2017
  12. Decided - Granted6/2017/0454/TPO

    Fell Hornbeam tree covered by TPO 252 (2002)

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 8 Mar 2017
  13. Decided - Granted6/2025/1675/EM

    Installation of driveway

    122 Oakdale Welwyn Garden City AL8 7QX

    Received 4 Aug 2025
  14. Decided6/2020/2951/TC

    Willow (T1) - fell Laburnum (T2) - fell Laurel (T3) - fell Apple (T4) - reduce height by 1.5m + reduce width by 2m for maintenance

    46 Fordwich Road Welwyn Garden City AL8 6EY

    Received 11 Nov 2020
  15. Decided - Granted6/2020/0225/EM

    Formation of driveway

    1 The Links Welwyn Garden City AL8 7DS

    Received 28 Jan 2020
  16. Decided - Granted6/2020/1433/HOUSE

    Erection of single storey mono-pitch roofed side extension following demolition of existing garage. Removal of single storey rear extension and erection of a two storey rear extension to create dual pitched roof and the insertion of two front dormers and erection of front porch.

    22 Reynards Road Welwyn AL6 9TP

    Received 19 Jun 2020
  17. Decided - Granted6/2025/1679/HOUSE

    Proposed loft conversion including 2 no rooflights and rear dormer

    13 Peregrine Way Hatfield AL10 9UP

    Received 5 Aug 2025
  18. Decided - Granted6/2021/1378/ADV

    Installation of 1x externally illuminated aluminium 'Boots Chemist' box frame sign and 1x externally illuminated double sided folded aluminium 'Boots' hanging sign.

    31 Cole Green Lane Welwyn Garden City AL7 3PP

    Received 29 Apr 2021
  19. Decided - Granted6/2020/0519/FULL

    Extension of an existing home shopping pod, canopy, re-location of home shopping drive through canopy and associated hard landscaping and works

    86 Town Centre Hatfield AL10 0JP

    Received 24 Feb 2020
  20. Decided - Refused6/2023/1746/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.93m to the eaves

    207 St Albans Road West Hatfield AL10 0SZ

    Received 18 Aug 2023
  21. Decided - Granted6/2021/2917/EM

    Installation of photovoltaic roof panels to the rear elevation and side flat roof, and erection of a single storey rear extension

    15 Barn Close Welwyn Garden City AL8 6ST

    Received 11 Oct 2021
  22. Decided - Split6/2020/3197/COND

    Submission of details part pursuant to condition 1(travel plan) on planning permission 6/2018/2943/MAJ

    Royal Veterinary College Hawkshead Lane Hatfield AL9 7TA

    Received 30 Nov 2020
  23. Decided - Granted6/2017/1245/HOUSE

    Erection of a two storey side extension and replacement of front bay flat roof to pitched roof, following demolition of existing garage.

    8 Cranmer Close, Little Heath, Potters Bar, EN6 1LB

    Received 7 Jun 2017
  24. Decided - Granted6/2024/0099/EM

    Erection of garden room

    29 Handside Lane Welwyn Garden City AL8 6SH

    Received 15 Jan 2024

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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