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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
24,353Searchable applications
313Recorded as pending
86%Approval rate · 19,951 approved or refused records
2,765Refused applications

17,186 approved · 2,765 refused · 1,271 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1143/EM

    Crown reduce lime tree by 30% and crown lift to 3m Crown reduce Horse chestnut by 30% to balance crown

    9 The Limes Welwyn Garden City AL7 4BD

    Received 1 May 2018
  2. Decided - Withdrawn6/2025/0938/HOUSE

    Proposed garage conversion to habitable room with associated fenestration alteration

    3 Breaks Road Hatfield AL10 8TR

    Received 21 May 2025
  3. Decided - Granted6/2025/2336/RM

    Approval of reserved matters (appearance, landscaping, layout and scale) following outline planning permission 6/2023/1532/OUTLINE for the erection of 120 homes with associated access, open space, landscaping and other infrastructure. Not EIA development.

    Land at Southway Hatfield

    Received 5 Nov 2025
  4. Decided - Split6/2022/1569/COND

    Submission of details pursuant to condition 32 (landscaping) on planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory 3 Bridge Road Welwyn Garden City AL8 6UN

    Received 4 Jul 2022
  5. Appeal Decided - Dismissed6/2021/1692/HOUSE

    Erection of a two storey side extension and alterations to fenestration

    48 Brookside Crescent Cuffley Potters Bar EN6 4QN

    Received 27 May 2021
  6. Decided - Granted6/2021/0233/ADV

    Installation of lettering on east elevation of the stair core of the multi storey car park

    The Common Car Park The Common Hatfield AL10 0ND

    Received 22 Jan 2021
  7. Decided - Granted6/2021/3252/HOUSE

    Erection of a part two storey, part single storey rear extension

    6 The Pastures Welwyn Garden City AL7 4PX

    Received 15 Nov 2021
  8. Decided - Granted6/2024/1940/COND

    Submission of details pursuant to condition 6 (SUD's plan) on planning permission 6/2022/0709/MAJ

    17 Tewin Road Welwyn Garden City AL7 1BD

    Received 9 Oct 2024
  9. Decided - Granted6/2018/1756/ADV

    Installation of 1 x non-illuminated fascia sign - retrospective

    84 Haldens Welwyn Garden City AL7 1DD

    Received 4 Jul 2018
  10. Decided - Granted6/2023/1797/EM

    Amendment to Planning Application 6/2023/0969/EM - proposal for an additional 6 solar panels (12 in total); 2 on flat roof extension on south side of house next to the garage and 4 on the roof of a replacement shed behind the garage

    104 Handside Lane Welwyn Garden City AL8 6SY

    Received 29 Aug 2023
  11. Decided - Granted6/2021/1847/EM

    Replacement of front door and ground floor windows, including new bi-fold doors to rear elevation.

    19 Greenfield Welwyn Garden City AL8 7HW

    Received 15 Jun 2021
  12. Decided - Granted6/2023/1097/EMT

    T1-Oak- Reduce branches (that are up to 4cm diameter) by 0.5 metres as the branches overhang into 9 The Cloisters Garden

    55 Parkway Welwyn Garden City AL8 6JF

    Received 24 May 2023
  13. Decided - Granted6/2022/1716/HOUSE

    Erection of first floor rear extension

    1 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 20 Jul 2022
  14. Decided - Refused6/2022/0780/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension and outbuilding

    107 Sloansway Welwyn Garden City Hertfordshire AL7 1NA

    Received 30 Mar 2022
  15. Appealed6/2022/0095/EMT

    Cedar tree to dismantle and fell to ground level.

    7 Stonemead Welwyn Garden City AL8 7LX

    Received 14 Jan 2022
  16. Decided - Granted6/2017/0206/FULL

    Change of use of 895 square metres of ancillary office accommodation to Class B1 (Office) use

    Brookmans Park Transmitting Station Great North Road Brookmans Park Hatfield AL9 6NE

    Received 3 Feb 2017
  17. Decided - Granted6/2023/0570/LAWP

    Certificate of lawfulness for erection of outbuilding to facilitate pool and gym

    5 Mymms Drive Brookmans Park AL9 7AE

    Received 14 Mar 2023
  18. Decided - Granted6/2026/0307/COND

    Submission of details pursuant to condition number 26 (Asbestos) on planning permission 6/2021/3367/MAJ

    Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN

    Received 19 Feb 2026
  19. Decided6/2024/0596/TC

    T2 Willow tree to pollard back to previous as concerns over size of tree and potential falling and damage

    41 High Street Welwyn AL6 9EF

    Received 27 Mar 2024
  20. Decided - Withdrawn6/2021/2047/FULL

    Erection of 2 x 1 bed units

    Sylvia Adams House 24 The Common Hatfield AL10 0NB

    Received 6 Jul 2021
  21. Decided - Granted6/2016/1836/COND

    Approval of details reserved by condition 4 (Hard and Soft Landscaping) and condition 6 (Construction Management Plan) on planning permission 6/2016/0283/FULL

    5 Somers Square, Welham Green, Hatfield, AL9 7PS

    Received 6 Sept 2016
  22. Decided - Granted6/2020/1312/HOUSE

    Erection of timber summer house

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 10 Jun 2020
  23. Decided - Granted6/2023/0743/LAWP

    Certificate of lawfulness for alteration of opening and installation of new door and window following removal of existing garage door

    7 Great North Road Brookmans Park Hertfordshire AL9 6LB

    Received 4 Apr 2023
  24. Decided - Granted6/2020/2923/EMT

    Removal of Norwegian Spruce tree. Permission was granted (See W6/2013/2371/TE) to the previous owner of the house as it is an inappropriate species for its location as it is not sustainable.

    11 Meadow Green Welwyn Garden City AL8 6SS

    Received 9 Nov 2020

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

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

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    Planning application documents: what to read first

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    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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