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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
40,201Searchable applications
309Recorded as pending
86%Approval rate · 33,714 approved or refused records
4,806Refused applications

28,908 approved · 4,806 refused · 2,210 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2009/2721/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    2 PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UU

    Received 18 Dec 2009
  2. Decided - Granted6/2019/1155/EM

    Reduce 1x Cherry Tree by 30% Reduce 1x Conifer Tree by 30%

    18 Turmore Dale Welwyn Garden City AL8 6HS

    Received 13 May 2019
  3. Decided - Granted6/2023/1644/HOUSE

    Erection of first floor rear extension

    64 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 8 Aug 2023
  4. Under Consideration6/2026/0751/COND

    Submission of details pursuant to Condition 1 (Construction Management Plan), condition 2 (Construction Environment Management Plan), condition 3 (Full site survey showing the datum used to calibrate the site levels), condition 4 (Arboricultural Method Statement and Tree Protection Strategy and Plan), condition 5 (Crown Roof), condition 6 (Hard and Soft Landscape), condition 7 (Samples Materials), condition 8 (EV charging point) & condition 9 (Energy-efficient construction materials and processes) on planning permission 6/2025/2534/VAR

    Land adjacent to Woodvale 1 Carbone Hill Northaw Potters Bar EN6 4PJ

    Received 28 Apr 2026
  5. Decided - GrantedN6/2009/0968/DM

    PROPOSED DEMOLITION OF DWELLING

    3 Larch Lane Welwyn AL6 0UJ

    Received 20 May 2009
  6. Decided6/2019/1747/TC

    Reduce 1 x Cherry tree by 30% Reduce 1 x Fir tree by 30%

    135 Handside Lane Welwyn Garden City AL8 6TA

    Received 15 Jul 2019
  7. DecidedN6/2009/1222/TE

    CROWN REDUCTION OF CHERRY TREE BY 20%

    LAND AT, 20 BIRDS CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4AR

    Received 22 Jun 2009
  8. Decided - RefusedS6/2004/1416/FP

    ERECTION OF PART TWO STOREY SIDE AND REAR EXTENSION, SINGLE STOREY REAR EXTENSION, ALTERATIONS TO ROOF TO INCLUDE REAR DORMER

    21 The Grove Brookmans Park Hatfield AL9 7RL

    Received 23 Sept 2004
  9. Decided - Withdrawn6/2018/1951/LAWP

    Certificate of lawfulness for erection of rear dormer to facilitate conversion of loft to habitable space

    35 Dalewood Welwyn Garden City AL7 2JP

    Received 24 Jul 2018
  10. Decided - GrantedS6/2005/1409/FP

    ERECTION OF REAR CONSERVATORY

    LYNCROFT Holloways Lane Welham Green Hatfield AL9 7NR

    Received 10 Nov 2005
  11. Decided - GrantedS6/2013/0349/FP

    Removal of existing roof and replacement with a new roof including first floor accommodation, a two storey front extension and a single storey side extension

    45 Plough Hill, Cuffley, Potters Bar, EN6 4DP

    Received 15 Feb 2013
  12. Decided - Granted6/2021/2684/EM

    Erection of a single storey side/rear extension with insertion of 1 x roof light involving demolition of existing conservatory, and insertion of 2 x roof lights and sun pipe to existing roof

    7 Willow Grove Welwyn Garden City AL8 7NA

    Received 16 Sept 2021
  13. Decided - GrantedW6/2007/0615/EM

    ERECTION OF REAR CONSERVATORY.

    17 Wren Wood, Welwyn Garden City, AL7 1QF

    Received 18 Apr 2007
  14. Decided6/2022/2242/TC

    T1 x Copper Beech to fell to ground level. The tree has large Meripilus brackets around buttress & roots.

    33 Bridge Road Welwyn Garden City AL8 6UG

    Received 28 Sept 2022
  15. Decided - Granted6/2020/0727/VAR

    Variation or removal of condition 2 (historic timbers) of listed building consent 6/2016/1529/LB

    Cucumber Hall Barn Cucumber Lane Essendon Hatfield AL9 6JB

    Received 16 Mar 2020
  16. Decided - Granted6/2015/1891/FULL

    Erection of single storey side and rear extension and flour storage silo

    83 Bridge Road East, Welwyn Garden City, AL7 1LA

    Received 9 Sept 2015
  17. Decided - GrantedN6/2013/0217/TC

    Remove dead Crab Apple tree in car park

    Free Church, 49 Parkway, WELWYN GARDEN CITY, AL8 6JQ

    Received 31 Jan 2013
  18. Decided - Granted6/2016/0411/HOUSE

    Erection of a single storey rear extension

    14 Picketts, Welwyn Garden City, AL8 7HJ

    Received 10 Mar 2016
  19. Decided - Granted6/2026/0181/VAR

    Variation of condition 1 (materials) on planning permission 6/2025/0492/HOUSE

    41 Lemsford Village Lemsford Welwyn Garden City AL8 7TR

    Received 3 Feb 2026
  20. Decided - Granted6/2017/2618/EM

    Installation of glass balcony balustrade to existing metal balustrade.

    52 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 9 Nov 2017
  21. Decided - Granted6/2019/1379/COND

    Submission of details pursuant to conditions 3 (brickwork samples) on planning application 6/2016/2339/FULL

    23 Park Street Hatfield

    Received 7 Jun 2019
  22. Decided - WithdrawnN6/2004/1462/TP

    WORKS TO TREES COVERED BY TPO 18

    2 Hangmans Lane Welwyn AL6 0TJ

    Received 1 Oct 2004
  23. Decided - GrantedN6/2014/2299/NM

    Non material amendment following approval of planning permission N6/2014/0549/DE - Revised carpark entrance and drop off point at front, main entrance. Amendment to main entrance doors, changes to window sizes and locations to suit minor internal amendments on all elevations. Location of transition between two types of glazed terracotta tiles on elevation. Enclosure of external stair with translucent, cast glass cladding, introduction of Mezzanine to staff rest room, all contained within existing roof profile and minor landscape amendments to carpark and courtyard.

    Queen Elizabeth Ii Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 20 Oct 2014
  24. Decided - GrantedN6/2013/2329/FP

    Erection of two storey rear extension, replacement of some windows and doors, new pitched roof and timber cladding to garage and new garden wall

    Home Farm, 6 Whitehill, Ayot St Peter, Welwyn, AL6 9AF

    Received 5 Nov 2013

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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