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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
19,402Searchable applications
298Recorded as pending
86%Approval rate · 15,677 approved or refused records
2,175Refused applications

13,502 approved · 2,175 refused · 983 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0455/PN8

    Prior approval for the erection of a single-storey rear extension measuring 6m in depth, 3.5m in height and 2.4m to the eaves

    49 Hillcrest Hatfield AL10 8HF

    Received 8 Mar 2024
  2. Decided - Granted6/2020/0499/EM

    Alterations to front elevation to install a front door surround.

    44 Longcroft Lane Welwyn Garden City AL8 6EF

    Received 19 Feb 2020
  3. Decided - Granted6/2019/2334/EM

    Fell 3 x Lawson Cypress trees

    21 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 19 Sept 2019
  4. Decided - Granted6/2018/1563/COND

    Submission of details pursuant to condition 3 (tree protection) on planning permission 6/2016/2231/FULL

    Oaklands College The Campus Welwyn Garden City AL8 6AH

    Received 12 Jun 2018
  5. Decided - Granted6/2020/2419/HOUSE

    Erection of single storey rear extension

    17 Meadow Croft Hatfield AL10 0SG

    Received 21 Sept 2020
  6. Decided - Granted6/2025/1052/EMT

    1 x Red Oak tree in rear garden dying and dangerous as confirmed by a tree surgeon and needs immediate removal

    6 Brockett Close Welwyn Garden City AL8 7BN

    Received 3 Jun 2025
  7. Decided - Refused6/2021/0374/EM

    Removal of chimney

    18 Cloverfield Welwyn Garden City AL7 1EG

    Received 5 Feb 2021
  8. Decided - Granted6/2021/0212/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 4m in height and 2.70m to the eaves

    120 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 22 Jan 2021
  9. Decided - Granted6/2024/2380/COND

    Submission of details pursuant to Condition 2 (Detail of Crown Roof) on planning permission 6/2024/0608/FULL

    13 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 13 Dec 2024
  10. Decided - Granted6/2024/0850/HOUSE

    Raising parapet walls to garage to facilitate garage conversion. Replacement of garage door with leaded casement window. Door from Utility at rear to be partially bricked up and replaced with extended window to match windows to rear. Removal of suspended ceiling to open up vaulted ceiling and installation of roof light in flat roof of garage

    33 School Lane Welwyn AL6 9PQ

    Received 7 May 2024
  11. Decided - Granted6/2021/1363/HOUSE

    Retention of single storey rear and side extension and raised terrace; erection of two side dormers and insertion of side rooflight to existing roof; and erection of first floor rear extension with a side dormer and rooflight.

    Meadow View Wyndham Cottage Camfield Place Kentish Lane Hatfield AL9 6JE

    Received 28 Apr 2021
  12. Decided - Granted6/2025/0774/EM

    Remove Leylandii hedge and replace with Escallonia 'Apple Blossom'. If this is not appropriate Beech will be used

    44 Attimore Road Welwyn Garden City AL8 6LP

    Received 24 Apr 2025
  13. Decided - Granted6/2024/0428/EMT

    2 x Eucalyptus to fell. One is dead and the other is too close to neighbouring boundary and starting to grow too large for the area

    243 Daniells Welwyn Garden City AL7 1QD

    Received 5 Mar 2024
  14. Decided - Granted6/2026/1387/COND

    Submission of details pursuant to condition number 1 (Construction Management Plan) on planning permission 6/2022/0010/FULL

    Garages Lockley Crescent and Drovers Way Hatfield AL10 0TL

    Received 5 Aug 2026
  15. Decided - Granted6/2025/1560/LAWP

    Certificate of lawfulness for the erection of an outbuilding

    39 Sylvandale Welwyn Garden City AL7 2HS

    Received 21 Jul 2025
  16. Decided - Granted6/2020/0303/HOUSE

    Erection of a single storey front and a part single, part two storey rear extension following the demolition of existing conservatory and alterations to fenestration

    10 Densley Close Welwyn Garden City AL8 7JX

    Received 3 Feb 2020
  17. Decided - Withdrawn6/2024/1158/EM

    Erection of two storey rear extension, single storey side and rear extensions following demolition of existing garage, insertion of rooflights and installation of solar panels.

    15 Guessens Road Welwyn Garden City AL8 6QL

    Received 21 Jun 2024
  18. Decided - Granted6/2026/0821/EM

    Like for like replacement downstairs windows white PVC Georgian style sash windows. Replacement upstairs windows with white PVC Georgian style sash windows in keeping with other properties in the close neighbourhood.

    32 Fordwich Road Welwyn Garden City AL8 6EY

    Received 11 May 2026
  19. Decided - Granted6/2018/1658/EM

    Fell 1 x Ornamental Plum tree (T1) and replant with either fruiting Cherry tree or Plum tree

    70 Pentley Park Welwyn Garden City AL8 7SG

    Received 21 Jun 2018
  20. Decided - Granted6/2021/1793/HOUSE

    Conversion of the garage into a self contained annex

    North Lodge White Stubbs Lane Bayford Hertford SG13 8QA

    Received 9 Jun 2021
  21. Decided - Granted6/2025/1320/EMT

    Reduce all cypress hedging by 3m to retain a suitable size & shape for gardens

    23 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 24 Jun 2025
  22. Decided - Granted6/2022/2281/HOUSE

    Erection of a part single and part two storey rear extensions

    239 Knella Road Welwyn Garden City AL7 3NS

    Received 30 Sept 2022
  23. Decided - Granted6/2023/2030/COND

    Submission of details pursuant to condition 4 (surface water drainage), 5 (materials of external surface and refuse and recycling storage building) and 11 (secure cycle, refuse and recycling storage) on planning permission 6/2021/0456/MAJ

    71 Station Road Cuffley EN6 4HG

    Received 2 Oct 2023
  24. Decided - Granted6/2026/1250/LAWP

    Certificate of lawfulness for Class A - Larger single storey rear extension (previously subject to prior approval application ref: 6/25/1851/PN8), Class B - Roof extension/hip to gable conversion, Class C - Other alterations to roof

    40 Dellsome Lane Welham Green Hatfield AL9 7ND

    Received 16 Jul 2026

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

All planning guides

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    Planning application documents: what to read first

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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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