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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2007/0279/TP

    REMOVAL OF DEAD BRANCHES FROM OAK TREE T1 COVERED BY TPO 7

    19 Canonsfield Road Welwyn AL6 0PY

    Received 20 Feb 2007
  2. Decided - Granted6/2019/3132/LAWP

    Certificate of lawfulness for the erection of an front porch

    10 Brocket Road Welwyn Garden City AL8 7TY

    Received 12 Dec 2019
  3. Decided - Granted6/2017/2085/EM

    Installation of 3x rooflights following removal of sheet roof in conservatory and 2x brick panels to replace existing glazed panels at rear

    2 Marsden Close Welwyn Garden City AL8 6YE

    Received 15 Sept 2017
  4. Decided - GrantedN6/2009/0083/LU

    ERECTION OF COVERED WALKWAY BETWEEN HOUSE AND GARAGE

    1 Heathlands Welwyn AL6 0UU

    Received 23 Feb 2009
  5. Decided - Granted6/2019/1145/HOUSE

    Erection of a single-storey rear extension following demolition of conservatory.

    16 Hollyfield Hatfield AL10 8LW

    Received 9 May 2019
  6. Decided - Granted6/2020/1588/FULL

    Erection of a replacement dwelling with detached garage and greenhouse following demolition of existing dwelling

    48 Bradmore Way Hatfield AL9 7QX

    Received 3 Jul 2020
  7. Decided - GrantedW6/2015/0808/EM

    Erection of single storey and rear first floor side extension and repositioning of garden gate

    8 Salisbury Gardens, Welwyn Garden City, AL7 3RS

    Received 13 Apr 2015
  8. Decided - RefusedS6/2004/0795/FP

    ALTERATIONS TO ROOF WITH FRONT AND SIDE DORMER WINDOWS.

    22 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 28 May 2004
  9. Decided - Granted6/2020/1532/HOUSE

    Erection of single storey rear extension following demolition of existing rear conservatory and single storey extension

    20 Roe Green Close Hatfield AL10 9PE

    Received 29 Jun 2020
  10. Decided - Granted6/2025/0437/EM

    Installation of hard standing driveway

    81 Sweet Briar Welwyn Garden City AL7 3EB

    Received 10 Mar 2025
  11. Decided - Granted6/2021/2495/HOUSE

    Erection of a single storey rear extension and part first floor rear extension, to include insertion of roof light into existing single storey flat roof and insertion of 2 x windows to existing first floor side and rear elevations.

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 25 Aug 2021
  12. Decided - GrantedN6/2014/1312/FP

    Retention of fence along boundary to the rear of Unit 1

    Unit 1 Sterling Court, Mundells, Welwyn Garden City, AL7 1FT

    Received 5 Jun 2014
  13. Decided - GrantedN6/2007/1056/FP

    PROPOSED TWO STOREY SIDE EXTENSION

    64 Warren Way Digswell Welwyn AL6 0DN

    Received 16 Jul 2007
  14. Decided - Granted6/2021/3283/TPO

    Scots Pine (T3) - Fell because of large tear out wound and dysfunction at primary union (c.11.25m height) - Structural Failure anticipated Scots Pine (T240) - Remove partially torn out limb to south; Remove deadwood and stubs above 20mm in diameter; Remove limb with large tear out wound to east; Reduce western primary scaffold limb by up to c.1.5m to rebalance crown and reduce end load

    Cedar Meadows Woolmer Green London Road SG3 6FE

    Received 18 Nov 2021
  15. Decided - RefusedN6/2014/0880/FP

    Erection of two storey side & rear extension and single storey rear extension

    3 Foxley Grove Digswell Welwyn AL6 0DW

    Received 25 Apr 2014
  16. Decided - GrantedS6/2008/0556/LB

    INTERNAL ALTERATIONS

    MYMWOOD HOUSE, SHEPHERDS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6NN

    Received 11 Mar 2008
  17. Decided - Withdrawn6/2023/2490/HOUSE

    Installation of one front rooflight and a rear dormer to facilitate the conversion of the loft to habitable space

    4A Crawford Road Hatfield AL10 0PG

    Received 13 Dec 2023
  18. Decided - GrantedN6/2015/1322/FP

    Erection of part two storey and part single storey rear extensions

    19 Russellcroft Road Welwyn Garden City AL8 6QX

    Received 19 Jun 2015
  19. Decided - Refused6/2019/2142/PN8

    Prior approval for the erection of a single storey rear extension following the demolition of the conservatory, measuring at 4M in depth, 3.7M in height and 2.5M to the eaves

    25 Autumn Grove Welwyn Garden City AL7 4DB

    Received 28 Aug 2019
  20. Decided - Granted6/2016/2204/EM

    Erection of single storey and first floor rear extension to detached two storey dwelling house; together with landscaping alterations to front garden to create an enlarged hardstanding.

    43 Digswell Rise Welwyn Garden City AL8 7PP

    Received 19 Oct 2016
  21. Decided - GrantedN6/2007/1121/LU

    INSERTION OF NEW PLANT MACHINERY WITHIN EXISTING COMPOUND

    EDF COMPOUND, END OF BURROWFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SR

    Received 27 Jul 2007
  22. Decided - Granted6/2017/1723/EM

    Erection of outbuilding in rear garden following the demolition of existing sheds

    69 Haldens Welwyn Garden City AL7 1DH

    Received 3 Aug 2017
  23. Decided - GrantedN6/2015/0170/TC

    Fell Ash tree

    Backhouse rooms adj to 114 Handside Lane, Welwyn Garden City, AL8 6SZ

    Received 28 Jan 2015
  24. Decided - Granted6/2023/2294/FULL

    Erection of dwelling, with associated access, parking, swimming pool and landscaping following the demolition of existing building

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 14 Nov 2023

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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    Planning permission drawings: how to read plans

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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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