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
39,067Searchable applications
344Recorded as pending
86%Approval rate · 32,655 approved or refused records
4,679Refused applications

27,976 approved · 4,679 refused · 2,142 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - GrantedW6/2008/2459/EM

    RETENTION OF ROOF LIGHT TO REAR ROOF ELEVATION

    86 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SJ

    Received 29 Dec 2008
  2. DecidedN6/2008/2087/TC

    REMOVAL OF CHERRY TREE FROM REAR GARDEN

    134 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HP

    Received 4 Nov 2008
  3. Decided - Refused6/2025/0957/LAWP

    Certificate of lawfulness for the erection of a single storey side extension with external patio

    10A Oaklea Wood Welwyn AL6 0PJ

    Received 23 May 2025
  4. Decided - Granted6/2025/1178/HOUSE

    Erection of a single storey and part two storey rear extension and part garage conversion, including raising of garage roof

    5 The Lawns Welwyn Garden City AL8 7HU

    Received 12 Jun 2025
  5. Decided - Granted6/2018/1892/LAWLB

    Certificate of lawfulness for the proposed work to listed building to include liquid waterproofing materials for some sections of parapet and box guttering

    Bush Hall Hotel Chequers Mill Green Hatfield AL9 5NT

    Received 26 Jun 2018
  6. Decided - Granted6/2017/1987/EM

    Erection of a summerhouse in rear garden

    19 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 5 Sept 2017
  7. Decided - GrantedN6/2006/0178/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION AND ACCESS RAMP AND SINGLE STOREY REAR EXTENSION

    29 Ryelands Welwyn Garden City AL7 4LH

    Received 9 Feb 2006
  8. Decided - Granted6/2020/1263/EM

    Erection of shed

    4 The Old Drive Welwyn Garden City AL8 6TB

    Received 4 Jun 2020
  9. Decided - Granted6/2024/0222/HOUSE

    Erection of a two storey side and front extension and part two storey, part single storey rear extension, front portico, two bay windows, one rear dormer and three side rooflights

    115 Tolmers Road Cuffley Potters Bar EN6 4JL

    Received 5 Feb 2024
  10. Decided - GrantedN6/2009/0204/DS

    DISCHARGE OF CONDITION 3(MATERIAL SAMPLES) OF PLANNING APPLICATION N6/2008/1797/FP

    37 Valley Road, Welwyn Garden City, AL8 7DH

    Received 30 Jan 2009
  11. Decided - RefusedS6/2005/1252/FP

    ERECTION OF TWO STOREY SIDE/REAR EXTENSION AND FRONT PORCH

    129 Bramble Road Hatfield AL10 9SD

    Received 6 Oct 2005
  12. Decided - Granted6/2022/1723/COND

    Submission of details pursuant of condition 11 (kitchen extract) on planning permission 6/2021/3320/VAR

    Plot 6000 Land adjacent to the Porsche Garage Hatfield Avenue Hatfield AL10 9UA

    Received 21 Jul 2022
  13. Decided - Granted6/2015/1528/HOUSE

    Erection of single storey rear extension and installation of 2no rooflights

    19 Leysdown Welwyn Garden City AL7 2PY

    Received 17 Jul 2015
  14. Decided - Withdrawn6/2019/0169/HOUSE

    Installation of a fence

    Willow End, Dixons Hill Close, Welham Green, Hatfield, AL9 7EG

    Received 28 Jan 2019
  15. Decided - GrantedS6/2007/0337/FP

    SINGLE STOREY REAR EXTENSION

    Whitefield House Cecil Crescent Hatfield AL10

    Received 28 Feb 2007
  16. Decided - Granted6/2025/0761/EM

    Installation of solar panels on the roof of the property at the rear

    61 Marsden Green Welwyn Garden City AL8 6YD

    Received 23 Apr 2025
  17. Decided - Granted6/2019/1498/ADV

    Installation of 8 x non illuminated and 3 x illuminated Signs

    The Wrestlers Public House 89 Great North Road Hatfield AL9 5LP

    Received 19 Jun 2019
  18. Decided - Granted6/2025/2000/HOUSE

    Erection of a single storey rear extension

    6 Chelveston Welwyn Garden City AL7 2PW

    Received 17 Sept 2025
  19. Decided - Granted6/2018/3033/COND

    Submission of details pursuant to condition 2 (materials samples) and 3 (hard and soft landscaping) on planning permission 6/2015/1983/FULL

    2 New Road Welwyn Garden City AL8 7TX

    Received 27 Nov 2018
  20. Decided - Withdrawn6/2016/2284/TPO

    Tree works

    Devan House 51 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 1 Nov 2016
  21. Decided - GrantedN6/2014/0973/TC

    H1 - Mixed species - remove Forsythis. Remove closest x2 Beech stems to the rear right corner. H2 - Beech - remove the closest x2 stems to the front right corner of the garage. Reduce retained section oto 1.7m in height and maintain at reduced dimensions.

    131 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 6 May 2014
  22. Decided - Refused6/2017/0506/HOUSE

    Erection of single storey side and first floor side extensions

    Roe Green Cottage Ellenbrook Lane Hatfield AL10 9NS

    Received 14 Mar 2017
  23. Decided - Refused6/2023/1632/EM

    Removal of existing hipped roof and new Dutch style hipped roof built, including raising of roof height and chimney. Two rear dormers and one side conservation roof light

    48 Attimore Road Welwyn Garden City AL8 6LP

    Received 7 Aug 2023
  24. Decided - GrantedW6/2008/2080/EM

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS AND REMOVAL OF TREE

    13 YOUNGS RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RT

    Received 4 Nov 2008

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

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.

  • 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.

  • 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.

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.

Check collection coverage