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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
40,229Searchable applications
309Recorded as pending
86%Approval rate · 33,738 approved or refused records
4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - RefusedN6/2004/1285/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    65 Digswell Rise Welwyn Garden City AL8 7PT

    Received 23 Aug 2004
  2. Decided - Granted6/2018/1595/PN8

    Prior approval for the erection of a conservatory to rear measuring 2.7m in depth, 3m in height and 2.5 to the eaves

    32 Elm Drive Hatfield AL10 8NU

    Received 14 Jun 2018
  3. Decided - Granted6/2017/0436/HOUSE

    Erection of single storey part rear extension, raised first floor ridge height (max 700mm), installation of 1 dormer window and balcony. Erection of front porch with gable roof following relocation of existing, installation of dormer window to front elevation and alterations to openings.

    South Lodge Lower Woodside Woodside Lane Hatfield AL9 6DH

    Received 6 Mar 2017
  4. Decided - Granted6/2022/2387/FULL

    Erection of detached 3 x two-bedroom flats and 1 x detached two bedroom town house following the demolition of existing garages

    Land at Green Close Brookmans Park AL9 7ST

    Received 13 Oct 2022
  5. Decided - Granted6/2016/2033/COND

    Approval of details reserved by condition 3 (Materials) on planning permission 6/2016/0997/HOUSE

    1 Polayn Garth, Welwyn Garden City, AL8 7DJ

    Received 3 Oct 2016
  6. Decided - Granted6/2025/0207/HOUSE

    Single storey rear extension with garage extension and conversion

    7 Sylvandale Welwyn Garden City AL7 2HP

    Received 7 Feb 2025
  7. Decided - Refused6/2021/3461/FULL

    Erection of a two storey side extension for use as an attached 2-bed dwelling, involving demolition of existing detached garage, alterations to fenestrations, erection of 2 x driveways and associated landscaping works

    10 Thrush Avenue Hatfield AL10 8QU

    Received 10 Dec 2021
  8. Decided - Granted6/2016/1477/TPO

    Tree 1: Removal of Conifer bush, Tree 2: Pear Tree, reduce crown by 30%, Tree 3: Apple Tree, reduce crown by 30%, Tree 4: Remove row of six Leylandii conifers - Conservation Area

    3 Pentley Park, Welwyn Garden City, AL8 7RT

    Received 13 Jul 2016
  9. Decided - Withdrawn6/2025/1623/EMT

    To prune Crab Apple which is just outside my property. To remove the branches which overhang my boarder. Estimated reduction is in the region of 4%

    8 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 29 Jul 2025
  10. Decided - Withdrawn6/2016/1138/LAWP

    Certificate of lawfulness for the conversion of existing garage into habitable space, removal of rear conservatory and replacement with single storey extension

    29 Ground Lane Hatfield AL10 0HQ

    Received 8 Jun 2016
  11. Decided - GrantedS6/2014/1375/FP

    Erection of single storey rear extension

    6 Bradgate, Cuffley, Potters Bar, EN6 4RL

    Received 18 Jun 2014
  12. Decided - GrantedN6/2006/0149/FP

    ENCLOSURE OF EXISTING PORCH TO FORM SINGLE STOREY FRONT EXTENSION

    40 Ramblers Way Welwyn Garden City AL7 2JX

    Received 3 Feb 2006
  13. Decided - Granted6/2016/1561/HOUSE

    Erection of first floor side extension

    76 Longcroft Lane, Welwyn Garden City, AL8 6EF

    Received 8 Aug 2016
  14. Decided6/2020/2020/TPO

    Removal 3 branches 1 x Ash, branch on left to be removed to union approx 1m from trunk. Fell 1 x Plum and fell 2 x Laurel to ground level covered by conservation area

    13 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 12 Aug 2020
  15. Decided - WithdrawnN6/2014/1373/FP

    Erection of two storey rear extension

    Green Brow, Waterend Lane, Ayot St Peter, Welwyn, AL6 9BB

    Received 17 Jun 2014
  16. Decided - Granted6/2015/2566/HOUSE

    Provision of a front entrance porch/lobby

    1 The Grove, Brookmans Park, Hatfield, AL9 7RL

    Received 31 Dec 2015
  17. Decided - GrantedS6/2007/0860/FP

    ERECTION OF REAR CONSERVATORY

    20 Calder Avenue Brookmans Park Hatfield AL9 7AQ

    Received 7 Jun 2007
  18. Decided - Granted6/2016/0377/HOUSE

    Erection of a part single, part two storey rear extension.

    38 Summerfield, Hatfield, AL10 8LP

    Received 2 Mar 2016
  19. Appealed6/2026/0634/TPO

    T1 Atlas Cedar to crown lift smaller diameter branches of no more than 3cm diameter to clear 2.5-3m from ground level and to prune branches touching the garage block to achieve a 0.5m clearance.

    10 Parkside Welwyn AL6 9DQ

    Received 10 Apr 2026
  20. Decided - Granted6/2025/0143/FULL

    Erection of an end of terrace two storey dwelling

    32 Elm Drive Hatfield AL10 8NU

    Received 28 Jan 2025
  21. Decided - Granted6/2026/0045/COND

    Submission of details pursuant to Condition 19 (External Lighting) on planning permission 6/2024/2195/VAR

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 13 Jan 2026
  22. Decided - GrantedN6/2013/1349/LUE

    Certificate of lawfullness for the retention of loft conversion incorporating rear dormer window and roof lights to front roof elevation

    3 Hurstlings, Welwyn Garden City, AL7 3LX

    Received 28 Jun 2013
  23. Decided - Granted6/2018/2846/HOUSE

    Erection of two storey side and single storey rear extensions

    6 Honeycroft Welwyn Garden City AL8 6HR

    Received 5 Nov 2018
  24. Decided - GrantedW6/2006/0024/EM

    ERECTION OF REAR GARDEN SHED

    5 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 6 Jan 2006

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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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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