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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
26,651Searchable applications
304Recorded as pending
87%Approval rate · 21,934 approved or refused records
2,957Refused applications

18,977 approved · 2,957 refused · 1,417 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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 - Split6/2024/0694/COND

    Submission of details pursuant to condition 10 (Travel Plan) on planning permission 6/2021/3489/MAJ

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 15 Apr 2024
  2. Decided - Granted6/2018/0469/EM

    Conversion of the existing garage to a habitable room and replacement of garage doors for a window unit, raise the parapet and construction of a new flat roof.

    11 The Jinnings Welwyn Garden City AL7 4QB

    Received 16 Feb 2018
  3. Decided - Granted6/2024/1412/VAR

    Removal of condition 3 (use of premises) on planning permission S6/1981/0553

    Alloy Sales Ltd Travellers Lane Welham Green Hatfield AL9 7HF

    Received 24 Jul 2024
  4. Decided - Granted6/2018/0715/EM

    Erection of a single storey rear extension and the installation of 2 rooflights to facilitate conversion of existing garage, including the retention of existing garage door.

    11 Nursery Gardens Welwyn Garden City AL7 1SF

    Received 14 Mar 2018
  5. Decided - Granted6/2015/2106/EM

    Fell Lawson Cypress tree to ground level.

    5 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 12 Oct 2015
  6. Decided - Granted6/2021/3462/ADV

    Installation of 1 x non-illuminated sign on front elevation and relocation of existing signage from ground floor to first floor level

    Comet Hotel St Albans Road West Hatfield AL10 9RH

    Received 10 Dec 2021
  7. Decided - Granted6/2017/1301/PN11

    Change of use of existing office building (Class B1) to form residential units (Class C3)

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 14 Jun 2017
  8. Decided - Granted6/2018/3202/FULL

    Erection of replacement dwelling

    43 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 17 Dec 2018
  9. Decided - Granted6/2017/0772/HOUSE

    Change of use of highway land to form new driveway with dropped kerb to front of property

    The Bungalow White Lodge Farm Bulls Lane Hatfield AL9 7AZ

    Received 18 Apr 2017
  10. Decided - Granted6/2024/0451/EM

    Replacement of aluminium double glazing windows with new aluminium double glazing, with the same overall design except for a reduced number of openings

    29 Fordwich Road Welwyn Garden City AL8 6EX

    Received 8 Mar 2024
  11. Decided - Granted6/2019/2703/FULL

    Erection of a single storey side extension to provide new trade kitchen with the installation of two roof cowls and external alterations, air conditioning unit, expansion of patio, alterations to car park layout and alterations and remedial works to the barn.

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 28 Oct 2019
  12. Decided - Granted6/2016/1577/EM

    Installation of window and brickwork to front elevation following removal of existing window

    58 Marsden Green, Welwyn Garden City, AL8 6YB

    Received 2 Aug 2016
  13. Decided - Granted6/2022/0067/TPO

    T1 Scots pine (1st in row) to fell (dead) and Scots pine (5th in row) to cable brace (the bond will be 8 to 10 mm threaded rod and 1 1/2 square plates each side). T2 All hornbeam group to lift to 4 meters. Within TPO 752 (2018).

    4 Bracken Lane Welwyn AL6 0RB

    Received 11 Jan 2022
  14. Decided - Granted6/2022/1020/TPO

    Reduction of 4-5m of remaining lateral at top of tree and a reduction of 4-5m of southern lateral growing over path, owing to partial collar removal where the central stem has failed and removal of branch on the underside of the southern lateral to a suitable growh point 3metres below of trees covered by TPO 16 (1973)

    Trees within Gobions Wood Brookmans Park Hatfield

    Received 3 May 2022
  15. Appeal Decided - Dismissed6/2019/126/TPO

    Fell 1x Beech (T1) Covered by TPO 361(2006)

    2 Heathcote Avenue Hatfield AL10 0RH

    Received 28 May 2019
  16. Decided - Granted6/2020/3437/COND

    Submission of details pursuant to condition 1 (external materials) of planning permission 6/2017/0368/HOUSE

    22 Moffats Lane Brookmans Park Hatfield AL9 7RU

    Received 23 Dec 2020
  17. Decided6/2019/2087/TC

    Replant 1 x Hydrangea Fell 1 x Acer

    26 High Street Welwyn AL6 9EQ

    Received 21 Aug 2019
  18. Decided - Granted6/2017/2261/HOUSE

    Erection of single storey front and side extensions, detached garage and raised patio. Alterations to openings, installation of roof lights and new external finishes following demolition of existing attached garage

    1 St Marys Close Welwyn AL6 9RL

    Received 4 Oct 2017
  19. Decided6/2017/1767/TPO

    Crown reduce two oaks and one hornbeam by 30% - Conservation Area

    5 Woodland Rise Welwyn Garden City AL8 7LE

    Received 9 Aug 2017
  20. Decided - Granted6/2025/0062/HOUSE

    Erection of bay window at ground floor level to the front elevation and construction of a basement level

    Cromer House Marford Road Lemsford Welwyn Garden City AL8 7XD

    Received 16 Jan 2025
  21. Decided - Granted6/2024/2348/HOUSE

    Remodelling of an existing single storey rear extension with new rooflights and a hip to gable loft extension to include a new rear dormer

    119 Peplins Way Brookmans Park AL9 7UT

    Received 6 Dec 2024
  22. Decided - Refused6/2025/2503/COND

    Submission of details pursuant to Condition 15 (Landscape and Ecological Management Plan (LEMP)) on planning permission 6/2022/2317/MAJ

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 2 Dec 2025
  23. Decided - Refused6/2020/0018/EM

    Remove of 1 x chimney stack

    186 Thistle Grove Welwyn Garden City AL7 4AJ

    Received 7 Jan 2020
  24. Decided - Refused6/2021/1824/HOUSE

    Erection of single storey side extension to garage

    23 Blakes Way Welwyn AL6 9RE

    Received 14 Jun 2021

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

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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