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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
24,446Searchable applications
313Recorded as pending
86%Approval rate · 20,037 approved or refused records
2,773Refused applications

17,264 approved · 2,773 refused · 1,274 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1828/FULL

    Erection of a two storey side and single storey rear extension following demolition of existing garage and conservatory and change of use from amenity land to residential land

    2 Orchard Mead Hatfield AL10 0SB

    Received 24 Jul 2019
  2. Decided - Granted6/2016/1511/TPO

    Removal of Leylandii Tree - Conservation Area

    10 High Grove, Welwyn Garden City, AL8 7DW

    Received 26 Jul 2016
  3. Decided - Refused6/2024/0647/EM

    Erection of a double storey side extension

    67 Valley Road Welwyn Garden City AL8 7DR

    Received 4 Apr 2024
  4. Decided - Withdrawn6/2021/1349/MAJ

    Erection of 6 x 4-bed detached dwellings with associated parking and amenity areas following demolition of all existing buildings and structures. Change of use of eastern section of land to paddock and alterations to existing access road.

    Land North of Oakleigh Farm Codicote Road Welwyn AL6 9TY

    Received 27 Apr 2021
  5. Decided - Split6/2021/2977/COND

    Submission of details pursuant to condition 1 (contamination) on planning permision 6/2019/1616/FULL

    Land behind 140 Ludwick Way Welwyn Garden City AL7 3PY

    Received 15 Oct 2021
  6. Decided - Withdrawn6/2026/0465/HOUSE

    Erection of an outbuilding for use as a games room and home office

    Dairy Lodge High Road Essendon AL9 6HU

    Received 13 Mar 2026
  7. Decided - Granted6/2017/1166/HOUSE

    Erection of storage building in front garden

    22 Mardley Hill Welwyn AL6 0TS

    Received 30 May 2017
  8. Decided - Granted6/2018/1365/ADV

    Installation of 1 x externally-illuminated fascia sign 1 x externally-illuminated hoarding sign (on existing post) and 4 x non-illuminated hoarding signs

    The Grove Hall Grove Welwyn Garden City AL7 4PH

    Received 23 May 2018
  9. Decided - Granted6/2020/2727/EM

    Renewal of front entrance door including adjacent window and panel. New door colour (navy blue).

    57 The Vineyard Welwyn Garden City AL8 7PY

    Received 19 Oct 2020
  10. Decided - Granted6/2016/0491/MAJ

    Demolition of existing building and redevelopment of the site to provide a part-basement and two storey business resource centre including food test kitchens, cookery school, customer experience centre, training academy, staff welfare facilities including gym and outdoor sports facilities, ancillary uses and a local retail store (Use Class A1) together with associated car parking, landscaping and infrastructure works.

    Land at Shire Park, Falcon Way, Welwyn Garden City, AL7 1TW

    Received 24 Mar 2016
  11. Decided - Withdrawn6/2019/1255/VAR

    Variation of condition 1 (approved drawings) on planning permission 6/2015/1588/FULL

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 24 May 2019
  12. Decided - Withdrawn6/2020/0853/TPO

    Fell 1x Oak tree

    56 The Ridgeway Cuffley Potters Bar EN6 4BE

    Received 7 Apr 2020
  13. Decided - Granted6/2019/0002/HOUSE

    Erection of single storey rear extension with installation of windows

    23 Cherry Croft Welwyn Garden City AL8 7QU

    Received 2 Jan 2019
  14. Decided - Granted6/2017/0116/COND

    Approval of details reserved by condition 3 (Materials) 4 (Details of Sedum Roof), (Arboricultual Method Statement) and 6 (Tree protection) of planning permission N6/2013/2385/FP

    5 Pennyfathers Lane Welwyn AL6 0EN

    Received 23 Jan 2017
  15. Decided6/2021/1933/TC

    Removal of conifer

    37 High Oaks Road Welwyn Garden City AL8 7BT

    Received 25 Jun 2021
  16. Decided - Refused6/2017/0296/EM

    Erection of front porch with pitched roof, following demolition of existing.

    149 Blythway Welwyn Garden City AL7 1DS

    Received 16 Feb 2017
  17. Decided - Granted6/2016/2109/HOUSE

    Erection of two storey rear extension and single storey rear and side extensions

    76 Chequers, Welwyn Garden City, AL7 4TA

    Received 7 Oct 2016
  18. Decided - Granted6/2019/0648/TPO

    Pruning 2 x Sycamore trees by 30 %, covered by conservation area

    11 The Valley Green Welwyn Garden City AL8 7DQ

    Received 18 Mar 2019
  19. Decided - Granted6/2019/1949/EM

    Formation of hardstanding and erection of shed following removal of existing shed

    3 Sheepcote Welwyn Garden City AL7 4QA

    Received 5 Aug 2019
  20. Decided - Granted6/2018/2953/LAWP

    Certificate of lawfulness for the installation of a rear dormer window and front velux rooflights

    9 Heronfield Little Heath Potters Bar EN6 1JA

    Received 15 Nov 2018
  21. Decided - Refused6/2021/0194/EM

    Single storey, part two storey rear extension and raising of existing garage roof, following demolition of existing veranda and alterations to openings

    20 Beehive Green Welwyn Garden City AL7 4BG

    Received 21 Jan 2021
  22. Decided - Granted6/2022/0573/EMT

    T1 - fell 1 x fir tree to ground level, a few large limbs fell in the winds - tree is too big for where it’s located.

    23 Colgrove Welwyn Garden City AL8 6HY

    Received 11 Mar 2022
  23. Decided - Granted6/2020/1353/TPO

    Fell 1 x Leyandii Tree [T1] Covered by TPO 24 (Area 3)

    17 The Drive Oaklands AL6 0TW

    Received 12 Jun 2020
  24. Decided - Split6/2017/1555/COND

    Submission of details pursuant to condition 4) ii) (site characterisation) on planning permission N6/2011/0359/OP

    Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 17 Jul 2017

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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