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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedN6/2007/0747/FP

    ERECTION OF A TWO STOREY SIDE EXTENSION AND SINGLE STOREY GARAGE

    55 Pentley Park Welwyn Garden City AL8 7SF

    Received 15 May 2007
  2. Decided - Granted6/2022/1236/EM

    Erection of single storey rear/side extension with rooflight and part two storey rear extension.

    3 Salisbury Road Welwyn Garden City AL7 3RR

    Received 25 May 2022
  3. Decided - Granted6/2025/0285/HOUSE

    Erection of a two-storey rear and side extension with the creation of a crown roof and increased roof height, erection of a two-storey front gable extension, loft conversion incorporating three rooflights to the front and one to either side and the insertion of two dormers to the rear, erection of a pitched roof entrance porch with extended canopy, garage conversion, fenestration alterations, change to materials, erection of a larger patio area and erection of new steps to the rear, security gate/ fence to the side access, enlargement of existing driveway and the removal of both chimneys

    38 The Grove Brookmans Park AL9 7RN

    Received 18 Feb 2025
  4. Decided - GrantedN6/2008/0415/FP

    ERECTION OF FRONT PORCH AND SINGLE STOREY SIDE EXTENSION. ALTERATIONS TO ROOF INCORPORATING TWO REAR DORMERS AND ROOFLIGHTS TO FRONT ELEVATION

    8 The Limberlost Welwyn AL6 9TS

    Received 27 Feb 2008
  5. Decided - Granted6/2021/3359/EMT

    T1 (1 Hornbeam) - to reduce crown by 3-4m. G1 (Mixed species of hedge) - to reduce hedge back to pervious height.

    24 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 29 Nov 2021
  6. Decided - Granted6/2018/2993/HOUSE

    Replacement of Roof and Wall Frames

    4 The Shaws Welwyn Garden City AL7 2HR

    Received 22 Nov 2018
  7. Decided - Granted6/2024/1774/LAWP

    Certificate of lawfulness for the erection of two storey rear extension

    3 Rollswood Road Welwyn AL6 9TX

    Received 13 Sept 2024
  8. Decided - Granted6/2022/1873/HOUSE

    Erection of a single storey rear extension to replace existing shed and conservatory

    25 Dellcott Close Welwyn Garden City Hertfordshire AL8 7BB

    Received 10 Aug 2022
  9. Decided - RefusedS6/2008/0681/MA

    ERECTION OF NEW DWELLING FOLLOWING DEMOLITION OF EXISTING DWELLING AND 'OUTBUILDING'

    Glenside, Vineyards Road, Potters Bar, EN6 4PF

    Received 4 Apr 2008
  10. Appeal Decided - Dismissed6/2020/2247/OUTLINE

    Outline permission for the erection of a dwelling with all matters reserved

    Swan Stables Woodside Lane Bell Bar Brookmans Park Hatfield AL9 6DE

    Received 2 Sept 2020
  11. Decided - Granted6/2016/2110/HOUSE

    Erection of single storey rear and side extension with pitched roof and conversion of an integral garage to form habitable room.

    23 Great Braitch Lane Hatfield AL10 9FD

    Received 7 Oct 2016
  12. Decided - GrantedS6/2013/1367/HH

    Erection of rear conservatory

    19 Sutherland Avenue, Cuffley, Potters Bar, EN6 4EQ

    Received 2 Jul 2013
  13. Decided - Granted6/2017/2862/HOUSE

    Erection of a single storey side and rear extension following demolition of existing metal shed

    3 Briars Lane Hatfield AL10 8EP

    Received 8 Dec 2017
  14. Decided - Granted6/2024/1568/HOUSE

    Erection of single storey rear infill extension, removal of rear chimney stack and insertion of new first floor rear window and doors

    20 Cranborne Road Hatfield AL10 8AP

    Received 16 Aug 2024
  15. Decided - Granted6/2025/2291/HOUSE

    Erection of a single storey front and rear extensions

    14 Briars Close Hatfield AL10 8DQ

    Received 29 Oct 2025
  16. Decided - Granted6/2025/1625/COND

    Submission of details pursuant to condition 1 (Landscaping Plan) on planning permission 6/2024/1717/FULL

    Dowdells Cottage Ayot St Peter Road Ayot St Peter Welwyn AL6 9BH

    Received 29 Jul 2025
  17. Decided - Refused6/2023/2036/HOUSE

    Erection of front portico with alterations to fenestration, detached granny annexe, detached garage and hard and soft landscaping works following the demolition of existing front extension and outbuildings

    Wing 2 Warren Wood Kentish Lane Hatfield AL9 6JQ

    Received 4 Oct 2023
  18. Decided - Withdrawn6/2019/2701/COND

    Confirmation that conditions attached to application W6/2000/1173/FP have been complied with.

    1 Aldbury Grove Welwyn Garden City AL7 2LB

    Received 24 Oct 2019
  19. Decided - Granted6/2018/3194/EM

    Crown reduction by 30% of 1x Oak tree and 1x Sycamore tree

    13 Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU

    Received 17 Dec 2018
  20. Decided - Granted6/2018/2931/HOUSE

    Erection of single storey side and rear extension with part flat part pitched roof installation of rear dormer to facilitate loft conversion

    48 Wilshere Road Welwyn AL6 9PX

    Received 14 Nov 2018
  21. Decided - GrantedS6/2009/1329/DS

    DISCHARGE OF CONDITIONS 3 (MATERIALS) AND 4 (MATERIAL SAMPLES) OF PLANNING PERMISSION S6/2009/598/FP

    7 King James Avenue, Cuffley, POTTERS BAR, Hertfordshire, EN6 4LN

    Received 23 Jun 2009
  22. Decided - WithdrawnN6/2014/2543/TN

    Proposed upgrade to telecoms equiment to include: installation of equipment cabinet, proposed cable tray, 6 replacement antennas and 2 additional dishes

    Lockley Farm, Lockleys, Welwyn, AL6 0BL

    Received 19 Nov 2014
  23. Decided - Granted6/2021/3557/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory and the creation of a roof terrace.

    95 Bluebridge Road Hatfield AL9 7UN

    Received 30 Dec 2021
  24. Decided - Granted6/2017/0202/LAWP

    Certificate of lawfulness for the conversion of garage into habitable space

    11 Mardley Hill Welwyn AL6 0UE

    Received 3 Feb 2017

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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