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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
40,256Searchable applications
321Recorded as pending
86%Approval rate · 33,751 approved or refused records
4,812Refused applications

28,939 approved · 4,812 refused · 2,214 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/2011/TPO

    T2 Lebanese cedar to fell (covered by TPO Order 806 (2018) T2)

    Little Guessens 6 Codicote Road Welwyn AL6 9NB

    Received 21 Oct 2024
  2. Decided - GrantedS6/2008/1185/DS

    DISCHARGE OF CONDITION 3 OF PLANNING PERMISSION S6/2007/0440/FP

    CATTLEGATE FARM, CATTLEGATE ROAD, NORTHAW, ENFIELD, HERTFORDSHIRE, EN2 8AU

    Received 21 Jul 2008
  3. Decided - RefusedS6/2009/0015/FP

    ERECTION OF TWO STOREY SIDE EXTENSION AND REAR FIRST FLOOR BAY WINDOW

    9 WOODLANDS, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AN

    Received 6 Jan 2009
  4. Decided - Granted6/2026/0681/EM

    Erection of single storey rear extension, raising of roof to existing side extension and canopy area with polycarbonate sheeting roof

    10 West Mead Welwyn Garden City AL7 4SA

    Received 16 Apr 2026
  5. Decided - Granted6/2022/0458/VAR

    Variation of condition 1 (external materials to match existing) of planning permission 6/2021/2537/HOUSE

    20 School Lane Welwyn AL6 9PH

    Received 25 Feb 2022
  6. Decided - Granted6/2024/2014/HOUSE

    Garage conversion and replacement of garage door with brick wall and window

    14 Colesdale Cuffley Potters Bar EN6 4LQ

    Received 21 Oct 2024
  7. Decided6/2020/1132/TC

    Reduce 1 x Holly by 2m height Reduce 1 x Birch back to previous pruning points

    26 Mimram Road Welwyn AL6 9HA

    Received 19 May 2020
  8. Decided - Granted6/2020/1037/FULL

    Erection of detached garage

    29 Turpins Ride Welwyn AL6 0QU

    Received 11 May 2020
  9. Decided - Granted6/2024/0452/EMT

    1 x Magnolia - reduce by 1.5m height and width over neighbouring side back to near boundary line to balance canopy, retain a suitable size to prevent excessive overhang to neighbouring garden

    57 Bridge Road Welwyn Garden City AL8 6UH

    Received 8 Mar 2024
  10. Decided - Granted6/2019/2676/COND

    Submission of details pursuant to condition 2 (windows, doors and shopfront) 3 (bicycle parking) and 4 (bin details) on planning permission 6/2018/2497/FULL

    1-5 Park Street Hatfield AL9 5AT

    Received 23 Oct 2019
  11. Decided - Refused6/2022/0841/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height, 2.85m to the eaves. External walls to be rendered.

    44 Oaklands Avenue Hatfield AL9 7UJ

    Received 6 Apr 2022
  12. Decided - Refused6/2024/1245/EM

    Insertion of Velux rooflights to existing roof and proposed pergola to rear

    2 Parkfields Welwyn Garden City AL8 6ED

    Received 3 Jul 2024
  13. Decided - Granted6/2018/1803/EM

    Erection of part single part two storey side extension

    2 Hitherway Welwyn Garden City AL8 7RG

    Received 9 Jul 2018
  14. Decided6/2026/1056/TC

    Fell 1 x weeping willow.

    16 The Green Welwyn AL6 9EA

    Received 17 Jun 2026
  15. Decided - GrantedS6/2007/0627/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION.

    11 Somers Square Welham Green Hatfield AL9 7PS

    Received 17 Apr 2007
  16. Decided - Granted6/2016/0841/EM

    Erection of timber garden shed following demolition of existing timber shed

    150 Heronswood Road, Welwyn Garden City, AL7 3EU

    Received 3 May 2016
  17. Decided - Granted6/2016/1886/TPO

    Removal of Leylandii tree - Conservation Area

    10 High Grove, Welwyn Garden City, AL8 7DW

    Received 9 Sept 2016
  18. Decided - Granted6/2016/0188/HOUSE

    Erection of single storey front extension and garage conversion with new window to the rear

    121 Dixons Hill Road, Welham Green, Hatfield, AL9 7DW

    Received 3 Feb 2016
  19. Decided - Granted6/2021/1256/EM

    Replace existing turf at front and rear of house with artificial grass

    31 Middlefield Welwyn Garden City AL7 4DQ

    Received 19 Apr 2021
  20. Decided - Granted6/2016/1371/FULL

    Erection of 1 no. one bedroom and 1 no. two bedroom flats following the partial demolition of existing roof structure and replacement with a mansard roof structure

    19-23 Town Centre, Hatfield, AL10 0JT

    Received 5 Jul 2016
  21. Decided - RefusedS6/2013/0351/FP

    Erection of first floor side extension, first floor front extension, extension to existing side dormer window and two first floor balconies

    Little Acres, Foxes Lane, HATFIELD, AL9 7BA

    Received 22 Feb 2013
  22. Decided - Granted6/2018/0876/LAWP

    Certificate of lawfulness for erection of outbuilding in rear garden for use as home office/storage and new front porch to existing dwelling

    26 Bishops Rise Hatfield AL10 9HH

    Received 3 Apr 2018
  23. Decided - GrantedN6/2009/2682/FP

    ERECTION OF STORAGE BUILDING

    STANBOROUGH PARK, STANBOROUGH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6DR

    Received 23 Dec 2009
  24. Decided - Granted6/2021/3255/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension in matching materials.

    59 Great Ley Welwyn Garden City AL7 4TJ

    Received 15 Nov 2021

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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