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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
40,258Searchable applications
321Recorded as pending
86%Approval rate · 33,753 approved or refused records
4,813Refused applications

28,940 approved · 4,813 refused · 2,214 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/0506/FP

    ERECTION OF TIMBER OUTBUILDING IN REAR GARDEN

    9 MANNICOTTS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BW

    Received 6 Mar 2008
  2. Decided - Granted6/2018/0285/MAJ

    Redevelopment of site comprising of 8 x warehouse units with ancillary offices, light industrial units and 1 x office building - part retrospective

    Unit 3C Bridgefields Welwyn Garden City AL7 1RX

    Received 29 Jan 2018
  3. Decided - Granted6/2018/3211/EM

    Fell 1 x Hawthorn tree, reduce 1 x Apple tree by 1m height and width

    11 The Orchard Welwyn Garden City AL8 7PL

    Received 18 Dec 2018
  4. Decided - RefusedN6/2007/0678/MA

    ERECTION OF PUBLIC HOUSE WITH ANCILLARY ACCOMODATION; ERECTION OF EIGHT 3 BED HOUSES AND ONE TWO STOREY BLOCK COMPRISING OF TWELVE, 2 BED FLATS WITH ANCILLARY CAR PARKING AND LANDSCAPING. FOLLOWING DEMOLITION OF EXISTING PUBLIC HOUSE

    The Chieftain Cole Green Lane Hatfield AL7 3JF

    Received 1 May 2007
  5. Decided - GrantedN6/2013/1739/FP

    Erection of two storey side extension

    10 Foxley Grove Digswell Welwyn AL6 0DW

    Received 7 Aug 2013
  6. Appeal Decided - Dismissed6/2019/2003/FULL

    Change of use from storage and distribution B8, to mixed uses office B1 and residential C3, compromising of 4 X dwellings following the demolition of building

    53A Great North Road Welwyn Garden City AL8 7TL

    Received 12 Aug 2019
  7. Decided - Refused6/2019/1918/LAWE

    Certificate of lawfulness for existing use as a (C4) HMO

    42 Chelwood Avenue Hatfield AL10 0RE

    Received 5 Aug 2019
  8. Decided - GrantedN6/2010/0064/TC

    REDUCE TWO FILED MAPLE TREES BY 25% IN HEIGHT

    131 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA

    Received 11 Jan 2010
  9. Decided - Granted6/2018/1660/EM

    Reduce crown of 2 x Ash trees by 25%

    39 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 22 Jun 2018
  10. Decided - Granted6/2023/0465/HOUSE

    Erection of single story side to rear extension. Alterations to existing loft conversion with elongated front dormer and enlarged rear dormer. Replacement/ enlargement of existing porch

    26 The Holdings Hatfield AL9 5HQ

    Received 1 Mar 2023
  11. Under Consideration6/2026/0925/VAR

    Variation of condition 2 (habitat management and monitoring Plan) on planning permission 6/2025/0232/FULL

    Home Farm 15 New Park Road Newgate Street Hertford SG13 8RD

    Received 26 May 2026
  12. Decided - Granted6/2024/2112/LAWE

    Certificate of lawfulness for the existing garage space to be converted for habitable use, insertion of new window with the side elevation of garage and formation of driveway

    5 Chalk Dale Welwyn Garden City AL7 2AP

    Received 1 Nov 2024
  13. Decided - GrantedS6/2004/0511/FP

    ERECTION OF 3 DETACHED DWELLINGS AND GARAGES WITH REVISED ACCESS, FOLLOWING DEMOLITION OF ALL BUILDINGS

    Roestock Lane St Albans Hertfordshire AL4 0QW

    Received 28 Mar 2004
  14. Decided - Granted6/2019/0037/PN8

    Prior approval for erection of single storey rear extension measuring 4m in depth, 3.5m in height and 2.4 to the eaves

    4 Chelwood Avenue Hatfield AL10 0RE

    Received 8 Jan 2019
  15. Decided - Refused6/2018/0813/HOUSE

    Erection of a part single storey/part two storey side extension and single storey rear extension following demolition of conservatory and erection of boundary fence.

    18 Norman Road Welwyn AL6 9JP

    Received 27 Mar 2018
  16. Decided - Granted6/2026/0989/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    2 Parsonage Lane Welham Green Hatfield AL9 7LU

    Received 4 Jun 2026
  17. Decided - Granted6/2018/2750/COND

    Submission of details pursuant to condition 2 (Archaeological written scheme of investigation) on planning permission 6/2018/1586/HOUSE

    The Manor House Hill Farm Lane Welwyn AL6 9BP

    Received 25 Oct 2018
  18. Decided6/2019/3146/TC

    Fell 1 x pine dead & dangerous tree

    66 Valley Road Welwyn Garden City AL8 7DN

    Received 12 Dec 2019
  19. Decided - GrantedS6/2004/0924/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    22 Skimpans Close Welham Green Hatfield AL9 7PB

    Received 17 Jun 2004
  20. Decided - Granted6/2015/2056/EM

    Erection of single storey side extension to form replacement garage

    15 Handside Lane, Welwyn Garden City, AL8 6SE

    Received 2 Oct 2015
  21. Decided - Granted6/2021/0554/LAWP

    Certificate of Lawfullness for rear and side enlargement to existing dwelling under permitted development rights

    102 Harmer Green Lane Digswell Welwyn AL6 0ES

    Received 22 Feb 2021
  22. Decided - GrantedW6/2014/2208/EM

    Erection of part single storey and part two storey rear extension following demolition of existing single storey rear extension

    63 Valley Road, Welwyn Garden City, AL8 7DH

    Received 7 Oct 2014
  23. Decided - Granted6/2020/1865/EM

    Erection of rear garden shed

    11 Meadow Green Welwyn Garden City AL8 6SS

    Received 28 Jul 2020
  24. Decided - RefusedS6/2009/2606/LU

    CERTIFICATE OF LAWFULNESS FOR EXISTING SINGLE STOREY EXTENSION

    Cucumber Hall Farm Cucumber Lane Essendon Hatfield AL9 6JB

    Received 26 Nov 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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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

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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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