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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
36,415Searchable applications
333Recorded as pending
86%Approval rate · 30,332 approved or refused records
4,141Refused applications

26,191 approved · 4,141 refused · 1,945 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/1577/FP

    ERECTION OF TWO STOREY SIDE EXTENSION AND INSERTION OF DORMER WINDOWS INTO FRONT ELEVATION OF PROPERTY

    Well Cottage 10 Pennyfathers Lane Welwyn AL6 0EN

    Received 22 Jul 2009
  2. Decided - Granted6/2022/1968/HOUSE

    Installation of two side dormers to facilitate the conversion of the loft to habitable space and alteration to fenestration

    63 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 23 Aug 2022
  3. Decided - Granted6/2017/1547/HOUSE

    Erection of a single storey side extension, alterations to existing openings and new side patio following demolition of existing conservatory, as well as the erection of a single storey side extension and alterations to openings to facilitate conversion of existing detached double garage to habitable space

    5 Handside Green Welwyn Garden City AL8 6SQ

    Received 17 Jul 2017
  4. Decided - GrantedN6/2014/1287/MB

    Prior approval for the conversion of an existing agricultural building to a residential dwelling

    Tractor Store 21 Rollswood Road Welwyn AL6 9TX

    Received 16 Jun 2014
  5. Decided - Granted6/2024/0767/VAR

    Variation of condition 2 (high privacy screens) on planning permission 6/2023/2261/HOUSE

    44A Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 24 Apr 2024
  6. Decided - Refused6/2018/2909/LAWP

    Certificate of lawfulness for conversion of 3 x retail storage units at first floor to 6 x flats

    41-43 Town Centre, Hatfield, AL10 0JJ

    Received 13 Nov 2018
  7. Decided - Granted6/2022/0802/EM

    Erection of ground floor rear extension following the part demolition of outbuilding

    209 Handside Lane, Welwyn Garden City, AL8 6TE

    Received 31 Mar 2022
  8. Decided - GrantedW6/2015/0738/EM

    Erection of garden shed following the demolition of existing shed

    3 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 1 Apr 2015
  9. Decided - Granted6/2025/2339/HOUSE

    Erection of a part single and part two storey side extension, installation of two rooflights to the front roof slope of the existing dwelling and alterations to fenestration following the demolition of the existing garage and rear utility.

    47 Warren Way Digswell Welwyn AL6 0DL

    Received 5 Nov 2025
  10. Decided - Granted6/2019/1287/EM

    Retention of new front door

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 30 May 2019
  11. Decided - GrantedW6/2015/1345/EM

    Alterations to existing single storey extension

    7 The Moors Welwyn Garden City AL7 1QR

    Received 25 Jun 2015
  12. Decided - Granted6/2021/2943/FULL

    Conversion of loft to habitable use including the installation of 1 x rear dormer and 4 x front rooflights

    19 Thornton Road Little Heath Potters Bar EN6 1JJ

    Received 13 Oct 2021
  13. Decided - GrantedW6/2013/1353/TE

    Reduce Silver birch tree by 20%

    11 Roundwood Drive, WELWYN GARDEN CITY, AL8 7JZ

    Received 24 Jun 2013
  14. Decided - GrantedW6/2014/1026/TE

    Removal of Three Lawson Cypress trees

    19 Russellcroft Road, Welwyn Garden City, AL8 6QX

    Received 15 May 2014
  15. Decided - Granted6/2024/0793/HOUSE

    Erection of single storey detached garden room

    59 Marsden Road Welwyn Garden City AL8 6YH

    Received 29 Apr 2024
  16. Decided - Granted6/2017/1648/HOUSE

    Erection of detached annexe in rear garden following the demolition of existing shed, studio and greenhouse

    16 The Meadway Cuffley Potters Bar EN6 4ES

    Received 26 Jul 2017
  17. Decided - GrantedS6/2008/0494/FP

    ERECTION OF FIRST FLOOR FRONT, SIDE, REAR EXTENSION AND SINGLE STOREY REAR EXTENSON

    14 PINE GROVE, BROOKMANS PARK, HATFIELD, AL9 7BS

    Received 4 Mar 2008
  18. Decided - WithdrawnS6/2015/1419/TP

    Crown reduce oak tree crown by 8.5m and crown thin by 30% covered by TPO146

    5 Leefe Way Cuffley Potters Bar EN6 4DF

    Received 1 Jul 2015
  19. Decided - Granted6/2018/3121/FULL

    Installation of 7 x air conditioning units

    Pacific House Unit K City Park Swiftfields Welwyn Garden City AL7 1LY

    Received 7 Dec 2018
  20. Decided - Refused6/2021/2038/COND

    Submission of details pursuant to condition numbers 2 (historic timbers) and 3 (submission of plans) on planning permission 6/2020/0727/VAR

    Cucumber Hall Barn Cucumber Lane Essendon Hatfield AL9 6JB

    Received 5 Jul 2021
  21. Decided - GrantedN6/2007/1431/TP

    PROPOSED CUT BACK OF OVERHANGING BRANCHES OF CHESTNUT TREE COVERED BY TPO375 T3

    17A Chestnut Walk Welwyn AL6 0SD

    Received 26 Sept 2007
  22. Decided - Granted6/2015/1625/HOUSE

    Erection of a new stone portico canopy to the front entrance, 2no dormers to the first floor front elevation and one to rear elevation, single storey rear extension and two storey rear extension

    38 Upland Drive, Brookmans Park, Hatfield, AL9 6PT

    Received 31 Jul 2015
  23. Decided - Granted6/2020/1007/EMT

    Fell 1 x Conifer Tree Reduce 3 x Holly Trees by 30%

    22 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 4 Jun 2020
  24. Decided - GrantedS6/2014/1851/LUP

    Certificate of lawfulness for proposed erection of garage

    54 St Albans Road East, Hatfield, AL10 0EH

    Received 19 Aug 2014

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 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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