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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
36,767Searchable applications
335Recorded as pending
86%Approval rate · 30,628 approved or refused records
4,210Refused applications

26,418 approved · 4,210 refused · 1,976 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1294/HOUSE

    Alterations and erection of extension to the utility room forming a draught lobby and replacement existing front door.

    22 Church Street Welwyn AL6 9LX

    Received 31 May 2019
  2. Decided - Refused6/2018/2405/HOUSE

    Erection of single storey front extension

    6 Lydia Mews Welham Green Hatfield AL9 7PZ

    Received 19 Sept 2018
  3. Decided - Granted6/2018/0887/FULL

    Erection of first floor extension, alterations to openings and installation of air conditioning plant and ductwork - part retrospective

    Computacenter UK Ltd, Hatfield Avenue, Hatfield, AL10 9TW

    Received 5 Apr 2018
  4. Decided - GrantedS6/2013/0842/FP

    Erection of single storey rear extension and conversion of garage

    1 Warwick Avenue, Cuffley, POTTERS BAR, EN6 4RU

    Received 23 Apr 2013
  5. Decided - Withdrawn6/2025/0205/TC

    H3 mixed species hedge: Elder, Virginia Creeper, Ivy, Holly, Hornbeam & Oak. Remove section of hedge to achieve 1m of clearance

    47 Pentley Park Welwyn Garden City AL8 7SF

    Received 6 Feb 2025
  6. Decided6/2025/0969/TC

    Reduce 1 x Hawthorn to reduce by 2.5m in height and 1.5m in width.

    42-63 Guessens Court Welwyn Garden City AL8 6RB

    Received 27 May 2025
  7. Decided - Granted6/2020/2167/FULL

    The sub-division of the existing corner plot at No 16 The Ryde, into two separate plots, including the retention of the existing detached house, demolition of the existing detached garage & lean-to and the erection of one new additional energy efficient detached home.

    16 The Ryde Hatfield AL9 5DH

    Received 24 Aug 2020
  8. Decided - Granted6/2025/0754/HOUSE

    First floor rear extension, with insertion of window to side elevation

    11 Station Road Digswell Welwyn AL6 0DU

    Received 22 Apr 2025
  9. Decided - GrantedS6/2008/0770/FP

    INSTALLATION OF ROOF TOP PLANT WITH ASSOCIATED SCREENING ON BUILDING H23

    THE ROYAL VETERINARY COLLEGE, HAWKSHEAD HOUSE, HAWKSHEAD LANE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7TA

    Received 12 May 2008
  10. Decided - Granted6/2020/3439/COND

    Submission of details pursuant to condition 1 (surface water drainage) on planning permission 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 23 Dec 2020
  11. Decided - GrantedS6/2013/0662/FP

    Installation of new shop front

    3a Parkhouse Court, HATFIELD, AL10 9RQ

    Received 27 Mar 2013
  12. Decided - GrantedW6/2009/1730/EM

    RETENTION OF GARDEN SHED

    26 KIRKLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RD

    Received 10 Aug 2009
  13. Decided - Granted6/2020/2979/HOUSE

    Installation of soil vent pipe to dwellinghouse

    33 School Lane Welwyn AL6 9PQ

    Received 12 Nov 2020
  14. Decided - GrantedN6/2009/2422/TC

    REMOVAL OF WILLOW TREE IN REAR GARDEN

    4 HIGH OAKS ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BH

    Received 9 Nov 2009
  15. Decided - RefusedW6/2013/1745/EM

    Replace existing tiles with new concrete tiles

    54 Woodhall Lane, Welwyn Garden City, AL7 3TF

    Received 9 Aug 2013
  16. Decided - Granted6/2023/1369/EM

    Erection of a single storey rear extension to partially replace existing extension

    1 The Orchard Welwyn Garden City AL8 7PL

    Received 3 Jul 2023
  17. Decided - Granted6/2024/1269/EM

    To build a porch of 2.5m width x 2.5m high and 0.95m deep, all within the existing external roofed property entrance. The existing flat roof will be retained with front and two sides of the porch built using the same style and colour of bricks as the main house together with White UPVC windows and new door as shown in the proposed plan

    31 Lemsford Lane Welwyn Garden City AL8 6YN

    Received 5 Jul 2024
  18. Decided - Granted6/2025/2404/TPO

    T1 Ash to pollard canopy to 8-10m from ground level. (TPO 833 (2018) W1)

    Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP

    Received 17 Nov 2025
  19. Decided - Withdrawn6/2020/2989/FULL

    Erection of detached five-bedroom dwellinghouse on land adjacent to no.22 Church Lane to include associated hard and soft landscaping, proposed vehicle crossover and ground floor rear terrace

    22 Church Lane Northaw Potters Bar EN6 4NX

    Received 13 Nov 2020
  20. Decided - Granted6/2016/2446/EM

    Prune Silver Birch tree by 33%

    61 Carve Ley Welwyn Garden City AL7 3HL

    Received 17 Nov 2016
  21. Decided - GrantedS6/2014/1121/HH

    Prior approval for a single storey rear extension following demolition of detached garage

    12 Frowick Close, Welham Green, Hatfield, AL9 7LS

    Received 29 May 2014
  22. Decided - Refused6/2016/0666/LAWP

    Certificate of lawfulness for the proposed erection of a two storey rear extension, single storey side extension and outbuilding

    West End Farm, West End Lane, Essendon, Hatfield, AL9 6AZ

    Received 12 Apr 2016
  23. DecidedN6/2008/2436/TC

    REMOVAL OF YEW TREE FROM REAR OF PROPERTY

    108 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SY

    Received 16 Dec 2008
  24. Decided - Withdrawn6/2020/2686/FULL

    Change of use of land to garden space

    11 Cloverland Hatfield AL10 9ED

    Received 15 Oct 2020

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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Guides to planning records

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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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