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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
40,233Searchable applications
309Recorded as pending
86%Approval rate · 33,741 approved or refused records
4,811Refused applications

28,930 approved · 4,811 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/0789/HOUSE

    Installation of front and rear dormers following raising of roof

    22 Heathbrow Road Welwyn AL6 0QG

    Received 16 Mar 2020
  2. Decided - Granted6/2021/2389/TPO

    Hornbeam - A line of Hornbeam, in neighbour's garden, to reduce height by approximately 3m and face back side to original points. Covered by TPO 749 (2018) G2

    14 Birch Grove Welwyn AL6 0QP

    Received 13 Aug 2021
  3. Decided - GrantedS6/2007/0248/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY INFILL REAR EXTENSIONS AND FRONT AND REAR DORMER WINDOWS

    33 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 15 Feb 2007
  4. Decided6/2018/1703/TPO

    Reduce crown of 1 x Hornbeam tree (T1) by 3m, 1 x Ash tree (T2) by 3m and 1 x Irish Yew tree (T3) by 2m - conservation area

    9 The Quadrangle Welwyn Garden City AL8 6SG

    Received 25 Jun 2018
  5. Decided - GrantedC6/1988/0382/FP

    Formation of new 5.5m wide road with 1.8m wide verges

    Land off, Cole Green Lane and Heronswood Road, Welwyn Garden City

    Received 1 Jan 1988
  6. Decided - Withdrawn6/2018/0819/EM

    Fell 1 x Silver Birch tree (T1)

    23 Daniells Welwyn Garden City AL7 1QY

    Received 28 Mar 2018
  7. Decided - GrantedS6/2004/1148/AD

    INSTALLATION OF 3 INTERNALLY ILLUMINATED FACING SIGNS

    Hatfield Lodge Hotel St Albans Road West Hatfield Hertfordshire AL10 9NG

    Received 27 Jul 2004
  8. Decided - GrantedW6/2014/0209/EM

    Erection of rear conservatory

    11 Goblins Green, Welwyn Garden City, AL7 3ST

    Received 24 Jan 2014
  9. Decided - Withdrawn6/2023/1858/TC

    Silver Birch T1 back of property. 20 % crown thin to improve light and air penetration

    6 Handside Green Welwyn Garden City AL8 6SQ

    Received 6 Sept 2023
  10. Decided - Granted6/2019/2933/LAWE

    Certificate of lawfulness for the erection of an existing lean-to-roof between the main building and rear garage block forming a covered way.

    30 Birchwood Avenue Hatfield AL10 0PW

    Received 21 Nov 2019
  11. Decided - GrantedS6/2006/0425/LB

    Conversion of Listed Building into 17 apartments and demolition of modern 1980's extensions; 14 new build dwellings and 28 garage courtyard blocks, together with 40 parking spaces across the site, incorporating new build tennis court house and integral garage, proposed walled garden dwelling and garaging; conversion and extensions to eastern and western walled garden buildings to form swimming pool and storage/greenhouse building, plus associated landscaping

    Bedwell Park Cucumber Lane Essendon

    Received 4 Apr 2006
  12. Decided - Granted6/2018/2647/TPO

    Reduce 1x Oak (T3) by 25-30% to reduce whole crown back to previous reduction points, covered by TPO 24 A3

    19 Marlborough Close Welwyn AL6 0UG

    Received 16 Oct 2018
  13. Decided - RefusedS6/2014/1179/FP

    Erection of two storey side and single storey rear extensions

    11 Cherry Way Hatfield AL10 8LF

    Received 27 May 2014
  14. Decided - GrantedN6/2004/0623/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    15 Twelve Acres Welwyn Garden City AL7 4TG

    Received 27 Apr 2004
  15. Decided - Granted6/2021/2388/TPO

    Works to dead trees within tpowood: TPO260 W1

    51 New Road Digswell Welwyn AL6 0AQ

    Received 12 Aug 2021
  16. Decided - GrantedS6/2013/0961/NM

    Non material amendment following approval of planning permission S6/2012/1580/FP - Reduce the width of the side extension to allow passage directly from the garden to the garage and installation of obscured glass window to first floor bathroom

    29 Skimpans Close, Welham Green, HATFIELD, AL9 7PA

    Received 14 May 2013
  17. Decided - Granted6/2016/1020/TPO

    Reduce and thin Oak tree (T1) and 3 Pine trees (G1) by 15%, remove lower limb on Robinia tree (T2) and reduce lower limbs on Oak tree (T3) by 1.5m and crown thin by 15% covered by TPO 54

    27 Oaklands Rise Welwyn AL6 0RN

    Received 24 May 2016
  18. Decided - GrantedN6/2008/1805/DS

    DISCHARGE OF CONDITIONS 2 (MATERIALS) OF PLANNING PERMISSION N6/2004/1245/FP

    5 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 23 Sept 2008
  19. Decided - Granted6/2016/1798/HOUSE

    Erection of fence to side boundary following removal of hedge

    18 Chalgrove, Welwyn Garden City, AL7 2QJ

    Received 1 Sept 2016
  20. Decided - Granted6/2021/3318/HOUSE

    Erection of a first floor rear extension, insertion of 1 x window to existing side elevation and insertion of 1 x roof light to existing rear extension

    50 Knightsfield Welwyn Garden City AL8 7HA

    Received 24 Nov 2021
  21. Decided - Granted6/2015/1901/RM

    Approval of reserved matters (appearance, layout, scale and landscaping) for the erection of approximately 163 dwellings and associated amendments to existing car parking, internal road layout, landscaping and open space following approval of outline planning application N6/2011/0359/OP

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 9 Sept 2015
  22. Decided - Granted6/2022/1640/EMT

    1 x Hornbeam to reduce by 4m height & 2m width

    102 Ridgeway Welwyn Garden City AL7 2DA

    Received 12 Jul 2022
  23. Decided - Refused6/2019/2458/PN8

    Prior approval for the erection of single storey rear extension measuring 8m in depth, 3.5m in heights and 3.5m to the eaves

    Woodlands Coopers Lane Road Northaw Potters Bar EN6 4DJ

    Received 30 Sept 2019
  24. Decided - GrantedN6/2009/1031/DS

    DISCHARGE OF CONDITION 4 (LANDSCAPING DETAILS) OF N6/2009/0316/FP

    11 Nut Grove, Welwyn Garden City, AL8 7SQ

    Received 14 May 2009

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

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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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