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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
32,575Searchable applications
303Recorded as pending
87%Approval rate · 27,260 approved or refused records
3,564Refused applications

23,696 approved · 3,564 refused · 1,709 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2026/0322/FULL

    Change of use from general amenity land to residential to include the alteration and extension of the existing brick wall

    1 Heay Fields Welwyn Garden City AL7 2EH

    Received 20 Feb 2026
  2. Decided - GrantedW6/2014/0343/EM

    Erection of single storey rear extension

    9 Monkswood, Welwyn Garden City, AL8 7EF

    Received 13 Feb 2014
  3. Decided - GrantedN6/2013/0786/FP

    Extending roof of single storey extension to apex shape with no flat roof

    21 Robbery Bottom Lane Welwyn AL6 0UL

    Received 19 Apr 2013
  4. Decided - Granted6/2019/2006/EM

    Retention of outbuilding and convert pitched roof to flat form roof on rear extension

    24 St Audreys Green Welwyn Garden City AL7 3RT

    Received 12 Aug 2019
  5. Decided6/2018/1088/TPO

    Fell 1 x Holly tree on boundary of 16 and 17 The Old Drive - Conservation Area

    16 The Old Drive Welwyn Garden City AL8 6TB

    Received 26 Apr 2018
  6. Decided - GrantedN6/2014/2665/TC

    Reduce crown of Sycamore tree to balance weight

    West House, 2 The Old Rectory, Ayot St Lawrence, Welwyn, AL6 9BT

    Received 8 Dec 2014
  7. Decided - Granted6/2022/1852/EMT

    To remove the ivy from 1 x oak tree that has a tree preservation (TPO) order. TPO299 T1. To also remove stem epicormic growth to 6m to aid ivy removal.

    14 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 8 Aug 2022
  8. Decided - Granted6/2018/0472/LAWP

    Certificate of lawfulness for the erection of outbuilding to create car port, garage and gym

    Homerswood Cottage 7 Digswell Hill Welwyn AL6 9AH

    Received 16 Feb 2018
  9. Decided - Withdrawn6/2021/0313/FULL

    Erection of a second floor addition including front and rear dormers, two storey additions to the east and west, construction of dormers and rooflights, alterations to the roof and fenestrations, removal of the existing chimneys and internal alterations to provide 5 x flats with associated carpark layout and external landscaping.

    Beecholme 54 Codicote Road Welwyn AL6 9UJ

    Received 2 Feb 2021
  10. Decided - Granted6/2022/2602/HOUSE

    Erection of a two storey front to rear side extension, single storey side garage, single storey rear extension and insertion of rear facing dormer to facilitate the conversion of the loft into habitable space following demolition of existing garage and outbuildings

    331 St Albans Road West Hatfield AL10 9RN

    Received 14 Nov 2022
  11. Decided - Granted6/2018/1593/HOUSE

    Erection of a two storey side extension

    74 Pooleys Lane Welham Green Hatfield AL9 7LF

    Received 14 Jun 2018
  12. Decided - Granted6/2017/1880/LAWP

    Certificate of Lawfulness for erection of indoor swimming pool and shower/WC building

    20 Reynards Road Welwyn AL6 9TP

    Received 23 Aug 2017
  13. Decided - GrantedS6/2013/0866/DS

    Discharge of condition 3 (cycle store) and 4 (clothes drying facility) of planning permision S6/2012/2637/FP

    66 Wood Close, Hatfield, AL10 8TX

    Received 29 Apr 2013
  14. Decided - Granted6/2016/2594/TPO

    Removal of Maple tree - Conservation Area

    45 Pentley Park Welwyn Garden City AL8 7SF

    Received 6 Dec 2016
  15. Decided - GrantedN6/2010/0034/FP

    FORMATION OF REAR DORMER WINDOW, INFILL REAR COVERED AREA AND ENLARGEMENT OF KITCHEN WINDOW

    2 Broom Hill Welwyn AL6 0SE

    Received 11 Jan 2010
  16. Decided - GrantedN6/2015/1412/CD

    Draft extinguishment order for Welwyn Garden City 67c

    Footpath 67C, Nr Eddington Crescent, Welwyn Garden City, AL7 4SX

    Received 1 Jul 2015
  17. Decided - Granted6/2025/1707/COND

    Submission of details pursuant to condition 1 (Samples of materials) on planning permission 6/2024/2364/HOUSE

    38 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 8 Aug 2025
  18. Decided - Granted6/2015/1615/COND

    Details submitted for Condition 15 (Drainage) pursuant to planning permission S6/2015/0016/S73A.

    Bishops Hatfield Girls School Woods Avenue Hatfield AL10 8NL

    Received 30 Jul 2015
  19. Decided - Granted6/2015/1532/HOUSE

    Installation of two front dormer windows

    52 Bell Lane, Bell Bar, Brookmans Park, Hatfield, AL9 7AY

    Received 20 Jul 2015
  20. Decided - Granted6/2016/0006/TPO

    Removal of Lawson Cypress tree located in front garden plus removal of 3 lower branches from Oak tree located in rear garden - Conservation Area

    41 Turmore Dale, Welwyn Garden City, AL8 6HT

    Received 5 Jan 2016
  21. Decided - RefusedN6/2014/1430/FP

    Erection of garage and conservatory

    29 Brooksfield, Welwyn Garden City, AL7 2AS

    Received 26 Jun 2014
  22. Decided - Granted6/2015/2059/EM

    Fell Silver Birch tree (T1) and reduce second Silver Birch tree (T2) by 20%

    3 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 5 Oct 2015
  23. Appeal Decided - WithdrawnN6/2015/0250/TP

    Crown reduce three Sweet Chestnut trees and one Oak tree by 50% plus coppice two Sweet Chestnut trees

    5 Pine Crest Welwyn AL6 0EQ

    Received 6 Feb 2015
  24. Decided - Granted6/2024/0166/HOUSE

    Erection of a two storey side extension following demolition of existing conservatory

    45 Golden Dell Welwyn Garden City AL7 4EE

    Received 29 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

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

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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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