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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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2023/1062/TC

    1 x Yew to reduce height by 2m

    10 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 19 May 2023
  2. Decided - Granted6/2016/1200/EM

    Erection of single storey rear extension

    110 Mill Green Road, Welwyn Garden City, AL7 3XE

    Received 14 Jun 2016
  3. Decided - Granted6/2024/1836/HOUSE

    Garage conversion to form a habitable room (study) including replacing garage door with new brickwork and window and proposed infill front porch

    2 Gresley Close Welwyn Garden City AL8 7QB

    Received 24 Sept 2024
  4. Decided - WithdrawnN6/2013/0849/FP

    Erection of new dwelling to replace existing

    35 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 17 Apr 2013
  5. Decided6/2026/0670/TC

    Field maple to crown lift to 3m and to reduce the tree by 30%.

    23 Elmwood Welwyn Garden City AL8 6LD

    Received 15 Apr 2026
  6. Appeal Decided - DismissedN6/2008/0099/FP

    ERECTION OF A DETACHED DWELLING

    16 The Avenue Welwyn AL6 0PP

    Received 17 Jan 2008
  7. Decided - Refused6/2017/1938/HOUSE

    Installation of rear dormer window for the facilitation of loft conversion

    8 Creswick Court Welwyn Garden City AL7 3SX

    Received 30 Aug 2017
  8. Decided - Granted6/2017/0408/FULL

    Erection of rear infill extension of courtyard to accommodate new offices and staff rooms

    Oak View Primary & Nursery School, Woods Avenue, Hatfield, AL10 8NW

    Received 1 Mar 2017
  9. Decided6/2023/0577/TC

    1 x Ash to reduce by 2m in height and 1.2m in width 1 x Crab apple to reduce by 1m in height and 1.2m in width.

    6 Colgrove Welwyn Garden City AL8 6HU

    Received 14 Mar 2023
  10. Under Consideration6/2026/1631/EM

    Installation of an air conditioning/heat pump unit and alterations to side elevation window

    22 Digswell Road Welwyn Garden City AL8 7PA

    Received 17 Sept 2026
  11. Decided - GrantedN6/2006/0597/FP

    EXTERNAL ALTERATIONS TO FRONT

    31 Beauchamps Welwyn Garden City AL7 1FG

    Received 9 May 2006
  12. Decided6/2022/1797/TC

    1 Hornbeam - reduce crown by 30% and raise crown away form neighbours garage 2 Hornbeam - reduce crown by 30% 3 Red Maple - reduce crown by 30% 4 Gingko - reduce crown by 30%

    2 Handside Green Welwyn Garden City Hertfordshire AL8 6SQ

    Received 1 Aug 2022
  13. Decided - Withdrawn6/2023/0988/VAR

    Variation to conditions 2 (boundary and surface treatment plan), 3 (fire tracking and parking plan), 4, (visitor spaces on fire tracking and parking plan), 5 (on plot garages on fire tracking and parking plan), 6 (soft landscaping), 7 (Landscape and ecological management plan), 8 (arboricultural method statement) and 10 (approved plans) on planning permission 6/2022/0824/RM

    Roundhouse Farm, Land Off of Bullens Green Lane, Colney Heath

    Received 9 May 2023
  14. Decided - Granted6/2022/0726/EM

    Erection of outbuilding

    73 Dawley Welwyn Garden City AL7 1EB

    Received 28 Mar 2022
  15. Decided - GrantedN6/2008/0694/FP

    EXTENSION TO FIRST FLOOR TO CREATE TWO SELF-CONTAINED FLATS

    PANSHANGER STORES, 2-4 WESTFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1QS

    Received 15 Apr 2008
  16. Decided - GrantedW6/2008/0438/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION, FOLLOWING DEMOLITION OF EXISTING EXTENSION

    99 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LG

    Received 27 Feb 2008
  17. Appeal Decided - Withdrawn6/2022/0787/OUTLINE

    Outline planning application for up to 25 residential dwellings (Class C3), with all matters reserved except layout and access

    Land adjacent to 52 London Road Knebworth Woolmer Green SG3 6JD

    Received 30 Mar 2022
  18. Decided - RefusedS6/2008/0587/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND DETACHED GARAGE

    2 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QE

    Received 18 Mar 2008
  19. Decided - WithdrawnN6/2014/1809/FP

    Erection of two storey rear extension, three dormer windows, insertion of five rooflights and partial change of use to form a residential dwelling

    Handside Post Office, Marsden Road, Welwyn Garden City, AL8 6YG

    Received 12 Aug 2014
  20. Appeal Decided - Dismissed6/2022/0534/HOUSE

    Change in size and style of rear and side dormer of an already approved application (ref: 6/2021/2843/HOUSE for the erection of a first floor extension).

    Sawmill Cottage Waterend Lane Ayot St Peter Welwyn AL6 9BB

    Received 7 Mar 2022
  21. Decided - GrantedN6/2007/0214/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    19 Great Conduit Welwyn Garden City AL7 2DH

    Received 8 Feb 2007
  22. Decided - RefusedN6/2014/1410/FP

    Erection of first floor side and rear extension

    4 Hyde Valley, Welwyn Garden City, AL7 4NA

    Received 23 Jun 2014
  23. Decided - GrantedS6/2008/1652/FP

    ERECTION OF SINGLE STOREY SIDE & REAR & PART FIRST FLOOR SIDE EXTENSIONS WITH DORMERS FOLLOWING DEMOLITION OF GARAGE

    93 THE RIDGEWAY, CUFFLEY, HERTFORDSHIRE, EN6 4BG

    Received 22 Aug 2008
  24. Decided - Refused6/2016/0567/HOUSE

    Erection of two storey side extension and single storey side conservatory

    1 Hawthorns, Welwyn Garden City, AL8 7SE

    Received 24 Mar 2016

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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