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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
35,186Searchable applications
313Recorded as pending
87%Approval rate · 29,311 approved or refused records
3,929Refused applications

25,382 approved · 3,929 refused · 1,831 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/1742/HOUSE

    Erection of a single storey side and rear extension to the existing detached garage, installation of 4 x rooflights and conversion of the garage to habitable use following the demolition of the attached shed.

    5 Old French Horn Lane Hatfield AL10 8AH

    Received 15 Aug 2025
  2. Decided - GrantedN6/2014/2089/TP

    Reduce back to previous pruning points the two Oak trees (T1 & T2) covered by TPO 24 A3

    20 Mardley Hill Welwyn AL6 0TS

    Received 23 Sept 2014
  3. DecidedN6/2009/2479/TP

    REMOVAL OF DEAD OAK TREE COVERED BY TPO 376 T4

    LAND AT, CENTRAL DRIVE, SHIRE PARK, WELWYN GARDEN CITY, HERTS

    Received 24 Nov 2009
  4. Decided - GrantedN6/2009/1245/TE

    CLEAR FROM OVERHEAD LINES - INDIAN BEAN TREE

    23 RUSSELLCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QX

    Received 23 Jun 2009
  5. Decided - Granted6/2019/2341/HOUSE

    Erection of a single storey rear extension

    1 Peplins Close Brookmans Park Hatfield AL9 7UX

    Received 23 Sept 2019
  6. Decided - RefusedC6/1988/0415/FP

    Two storey side extension and new front porch

    18 Brocket Road, Welwyn Garden City, AL8 7TY

    Received 1 Jan 1988
  7. Decided - GrantedW6/2015/0312/EM

    Erection of replacement timber garden shed

    10 Fordwich Road, Welwyn Garden City, AL8 6EY

    Received 17 Feb 2015
  8. Decided - Granted6/2019/0084/VAR

    Variation of condition 1 (upper floor windows on north elevation must be obscured-glazed and non-opening) and condition 2 (drawing numbers) on planning permission 6/2018/1695/HOUSE

    58 Holloways Lane Welham Green Hatfield AL9 7NS

    Received 14 Jan 2019
  9. Under Consultation6/2026/1811/EMT

    1 x Rowan to remove in sections to ground level as the tree is in decline

    49 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 8 Oct 2026
  10. Decided - Granted6/2025/0367/VAR

    Removal of condition 2 (window glazing) on planning permission 6/2024/1966/HOUSE

    42 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 26 Feb 2025
  11. Decided - Granted6/2019/0370/COND

    Submission of details pursuant to condition 7 (Hard and Soft Landscape Plan) 8 (Tree,Shrub or Hedge works)10 (Approved Landscaping Plans) 13 (Location,Design and Specification of Refuse Bin and Recycling Materials )17 (Urban Drainage) and 22 (Scheme for odour control) on planning permission 6/2016/1739/MAJ

    Comet Hotel St Albans Road West Hatfield AL10 9RH

    Received 18 Feb 2019
  12. Decided - GrantedN6/2014/0151/FP

    Erection of two storey side extension, single storey rear extension including balcony above, alterations to roof to include dormer on front elevation and erection of rear orangery following demolition of existing conservatory

    3 Roundwood Close Welwyn AL6 0XB

    Received 24 Jan 2014
  13. Decided - Granted6/2016/0392/HOUSE

    Erection of a single storey ground floor rear extension and an enclosed front porch

    17 Bluebridge Road, Brookmans Park, Hatfield, AL9 7UW

    Received 8 Mar 2016
  14. Decided - Granted6/2016/1212/COND

    Approval of details reserved by condition 3 (materials) and condition 4 (tree protection details) on planning permission N6/2015/0218/FP

    54 Hertford Road Digswell Welwyn AL6 0DA

    Received 15 Jun 2016
  15. Decided - Refused6/2022/2572/LAWP

    Certificate of lawfulness for the erection of a single storey side extension following demolition of garage, single storey rear extension, conversion of roof from hipped to gabled and installation of rear dormer to facilitate the conversion of the loft into habitable space

    331 St Albans Road West Hatfield AL10 9RN

    Received 10 Nov 2022
  16. Decided - Withdrawn6/2020/2891/EMT

    Semi-pollarding of large willow tree in rear garden

    18 Sheepcote Welwyn Garden City AL7 4QD

    Received 5 Nov 2020
  17. Decided - RefusedN6/2008/0732/FP

    ERECTION OF TRIPLE GARAGE AND CARER'S ACCOMMODATION FOLLOWING DEMOLITION OF EXISTING GARAGE

    OLD HALL FARM COTTAGE, HILL FARM LANE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BW

    Received 26 Apr 2008
  18. Decided - GrantedS6/2014/0021/OR

    Prior approval for the change of use of ground, first and second floor office building (Use Class B1) to 6 x 2 bedroom flats (Use Class C3 residential)

    The Bank, 31 Salisbury Square, Hatfield, AL9 5JD

    Received 9 Jan 2014
  19. Decided - Granted6/2023/0985/HOUSE

    Retention of a radio antenna

    7 Kerdistone Close Little Heath Potters Bar EN6 1LG

    Received 9 May 2023
  20. Decided - Granted6/2016/1409/TPO

    Reduce Lombardy Poplar tree by 50% - Conservation Area

    1 Elmwood, Welwyn Garden City, AL8 6LD

    Received 4 Jul 2016
  21. Decided - Granted6/2023/0271/EM

    Erection of ground floor rear/side extension/first floor rear extension, insertion of first floor windows to side elevations, insertion of flat roof lights & internal/external alterations

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 3 Feb 2023
  22. Decided - Refused6/2020/1834/HOUSE

    Single storey rear extension

    218 Howlands Welwyn Garden City AL7 4HF

    Received 24 Jul 2020
  23. Decided - RefusedN6/2010/0116/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, DEMOLITION OF GARAGE AND REMOVAL OF REAR DORMER

    6 Great North Road Welwyn AL6 0PL

    Received 21 Jan 2010
  24. Decided - Granted6/2018/0040/EM

    Erection of new greenhouse

    1 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 5 Jan 2018

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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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