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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
40,118Searchable applications
300Recorded as pending
86%Approval rate · 33,650 approved or refused records
4,801Refused applications

28,849 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2023/0813/HOUSE

    Demolition of existing side garage, rear extension and garden house and the conversion of bungalow to provide a three storey house, a two-storey open veranda to the front, a single storey rear extension, and two dormers to the front and retention of double garage.

    35 Codicote Road Welwyn AL6 9TT

    Received 17 Apr 2023
  2. Decided - GrantedW6/2006/0437/EM

    REMOVAL OF HEDGE AND ERECTION OF CLOSE BOARD FENCE

    46 Handside Lane, Welwyn Garden City, AL8 6SJ

    Received 4 Apr 2006
  3. Decided6/2020/1281/TC

    Reduce 1 x Hornbeam Tree [T1] by 5% (Removal of two branches displayed in image)

    15 Pitsfield Welwyn Garden City AL8 7SJ

    Received 8 Jun 2020
  4. Decided - Granted6/2020/0745/HOUSE

    Single storey front and side extension and extension to existing outbuilding.

    New Park House, New Park Road, Newgate Street, Hertford, SG13 8RD

    Received 17 Mar 2020
  5. Decided - GrantedN6/2013/2670/FP

    Erection of two storey and single storey rear extensions following demolition of existing rear conservatory

    3 Dellcott Close, Welwyn Garden City, AL8 7BB

    Received 23 Dec 2013
  6. Decided - Granted6/2016/2368/HOUSE

    Erection of fence and gates following removal of existing

    145 Oakdale Welwyn Garden City AL8 7QS

    Received 10 Nov 2016
  7. Decided - Granted6/2018/0392/HOUSE

    Erection of a single storey rear extension and front porch and garage extension

    41 Peplins Way Brookmans Park Hatfield AL9 7UR

    Received 7 Feb 2018
  8. Decided - GrantedN6/2014/0422/TP

    Reduction by 20% to Oak tree (T1) and 30% reduction to Oak tree (T2) and Sweet Chestnut tree (T3) covered by TPO 24 A3

    2A The Drive Welwyn AL6 0TR

    Received 26 Feb 2014
  9. Decided - Granted6/2021/1475/HOUSE

    Erection of single storey rear extension

    49 Lockley Crescent Hatfield AL10 0TL

    Received 10 May 2021
  10. Decided6/2020/1751/TC

    Reduce x1 Cedar tree by 30%

    29 Dellcott Close Welwyn Garden City AL8 7BB

    Received 16 Jul 2020
  11. Appeal Decided - DismissedS6/2009/1357/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    6 HOME FARM COTTAGES, PONSBOURNE PARK, NEWGATE STREET, HERTFORD, HERTFORDSHIRE, SG13 8QT

    Received 24 Jun 2009
  12. Decided - GrantedN6/2013/1602/FP

    Replacement cladding and render to facades, erection of rear extension following demolition of existing, insertion of terrace at first floor level, upgrading of all windows and doors, new garage door to car port and new entrance at street level

    12 Codicote Road Welwyn AL6 9NQ

    Received 15 Jul 2013
  13. Decided - Split6/2024/1208/COND

    Submission of details pursuant to condition numbers 4 (Construction Method Statement), 5 (Construction Environmental Management Plan), 6 (Site Waste Management Plan), 7 (Arboricultural Method Statement), 8 (Details of the levels of the building(s), road(s) and footpath(s)) , 9 (Detailed Surface Water Drainage Scheme), 10 (Remediation Strategy), 11 (Long-term monitoring and maintenance plan in respect of contamination), 12 (Building Excavations), 13 (Ecological Enhancements), 14 (Archaeological Written Scheme of Investigation) and 15 (Scheme for managing any borehole) on planning permission 6/2022/1375/MAJ

    Phase 1 Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Creswick Welwyn Garden City AL7 4EG

    Received 27 Jun 2024
  14. Decided - Granted6/2023/0876/EM

    Replacement on like for like basis of original wooden side opening garage doors with new steel side opening white garage doors

    1 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 25 Apr 2023
  15. Decided - Granted6/2022/0024/EM

    Erection of 1 x shed in rear garden

    2 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 5 Jan 2022
  16. Decided - GrantedS6/2004/0624/FP

    AMENDMENT OF PREVIOUS PLANNING PERMISSION (S6/2002/1095) FOR RESIDENTIAL DEVELOPMENT TO ALLOW FOR AN AMENDED DESIGN FOR ROSE COTTAGE

    Leggatts Park Great North Road Little Heath Potters Bar EN6

    Received 27 Apr 2004
  17. Decided - GrantedW6/2007/1216/EM

    ERECTION OF A SINGLE STOREY AND TWO STOREY REAR & SIDE EXTENSION WITH INSERTION OF WINDOW IN FIRST FLOOR SIDE ELEVATION

    57 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 10 Aug 2007
  18. Decided - Granted6/2017/0828/EM

    Reduce Hawthorn tree by upto 60%

    17 Hillside Welwyn Garden City AL7 4PZ

    Received 21 Apr 2017
  19. Decided - Refused6/2016/1695/FULL

    Change of use from Class C3 (Dwellinghouse) to Class C4 (Houses in Multiple Occupation)

    98 Mosquito Way, Hatfield, AL10 9AY

    Received 18 Aug 2016
  20. Decided - Granted6/2025/2086/VAR

    Variation of condition 3 (Approved plans) on planning permission 6/2023/1550/HOUSE

    54 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 1 Oct 2025
  21. Decided - GrantedS6/2013/2605/FP

    Erection of two storey classroom block

    St Philip Howard Catholic Primary School, Woods Avenue, Hatfield, AL10 8NN

    Received 9 Dec 2013
  22. Decided - GrantedN6/2014/0731/FP

    Erection of single storey rear extension following demolition of existing outbuildings

    16 Marsden Road, Welwyn Garden City, AL8 6XZ

    Received 2 Apr 2014
  23. Decided - Granted6/2016/0749/HOUSE

    Erection of single storey rear extension

    2 Elmoor Close Welwyn AL6 9PF

    Received 21 Apr 2016
  24. Decided - WithdrawnW6/2013/0975/EM

    Re-siting of existing solar panels on rear elevation

    326 Knightsfield, WELWYN GARDEN CITY, AL8 7NQ

    Received 8 May 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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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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