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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
17,433Searchable applications
298Recorded as pending
86%Approval rate · 14,049 approved or refused records
1,930Refused applications

12,119 approved · 1,930 refused · 882 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0906/EM

    Replacement front door

    28 Barleycroft Road, Welwyn Garden City, AL8 6JU

    Received 15 May 2024
  2. Appeal Decided - Allowed6/2020/2468/HOUSE

    Installation of two front elevation dormer windows

    8 Valley Road Welwyn Garden City AL8 7DF

    Received 28 Sept 2020
  3. Appeal Decided - Dismissed6/2020/0784/FULL

    Erection of 2 x 6-bedroom detached dwellings with garages

    High Willows, Vineyards Road, Northaw, Potters Bar, EN6 4PE

    Received 26 Mar 2020
  4. Decided - Granted6/2022/0193/EMT

    T1 x ash tree - To fell to ground level and poison stump.

    179 Parkway Welwyn Garden City AL8 6JA

    Received 27 Jan 2022
  5. Decided - Granted6/2025/2554/EM

    Erection of single storey rear extension

    45 Beechfield Road Welwyn Garden City AL7 3RG

    Received 11 Dec 2025
  6. Under Consideration6/2026/1473/COND

    Submission of details pursuant to Condition 2 (boundary treatments) on planning permission 6/2025/0285/HOUSE

    38 The Grove Brookmans Park AL9 7RN

    Received 20 Aug 2026
  7. Decided - Granted6/2019/1335/TPO

    Reduce 1x Conifer by 4m and 1x laurel reduce by 4m Covered by TPO 484 A1

    15 Church Street St Audreys Church Hatfield AL9 5AR

    Received 4 Jun 2019
  8. Decided - Refused6/2019/0273/COND

    Submission of details pursuant to condition 3 (Method statement for construction) on planning 6/2017/0848/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 6 Feb 2019
  9. Decided - Granted6/2020/3370/COND

    Submission of details pursuant to conditions 9 (Landscape Ecology and Management Plan), 10 (Detailed hard and soft landscaping scheme) and 11 (Material samples) on planning permission 6/2019/2086/MAJ

    Minster House Minster Close Hatfield AL10 9JN

    Received 17 Dec 2020
  10. Decided - Refused6/2024/0738/PN8

    Prior approval for the erection of a single storey rear extension measuring 6.5m in depth, 3m in height, 2.7m to the eaves

    59 The Meadway Cuffley Potters Bar EN6 4ET

    Received 22 Apr 2024
  11. Decided - Granted6/2020/3276/HOUSE

    Erection of single storey rear extension

    84 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 7 Dec 2020
  12. Appeal Decided - Dismissed6/2020/1619/FULL

    Erection of 3x dwellings and garages following demolition of existing buildings

    Tylersley Farm Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 7 Jul 2020
  13. Decided - Refused6/2019/2181/FULL

    Erection of part single, part two storey front extension following two storey reduction to the front elevation; first floor rear extension; new roof with increased eaves and ridge height and erection of 2x front dormer and 2x rear dormers, to facilitate conversion of single dwelling into 3x dwellings with associated refuse and cycle storage

    45 Great North Road, Brookmans Park, Hatfield, AL9 6LB

    Received 3 Sept 2019
  14. Decided - Granted6/2023/0432/LAWP

    Certificate of lawfulness for the erection of a new porch

    38 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 24 Feb 2023
  15. Decided6/2022/2413/TC

    1 x Oak to dismantle in sections to ground level, grind out stump to approximately 200mm below existing ground level - Oak has large Gymnopus fusipes around base with some large dead branches 1 x Hornbeam to reduce by 2m in height and 1.2m in width - This will allow more light. Council owned trees - to cut back all overhanging branches back to fence line full height of the trees. The trees are excessively hanging and client wants to cut back to improve light to his garden and prevent lots of debris - I know this doesn't need to be on the application but this is to make you aware the client wishes to cut the overhang back. Please remove from the application if necessary

    9 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 18 Oct 2022
  16. Decided - Granted6/2021/1463/HOUSE

    Erection of a single storey rear and side extension following the demolition of existing garage

    18 Dellcott Close Welwyn Garden City AL8 7BD

    Received 10 May 2021
  17. Decided - Granted6/2025/2609/HOUSE

    Erection of a single storey rear extension with alterations to front porch and fenestration

    8 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 22 Dec 2025
  18. Under Consideration6/2026/1411/PN15

    Prior approval for the installation of 20m high Taurus Street pole with 9no antennas, 6no RRH and equipment housing, together with associated ancillary development

    Grass verge along Bessemer Road Bessemer Road Welwyn Garden City AL7 1ET

    Received 10 Aug 2026
  19. Decided - Granted6/2023/1385/TPO

    T2 Sweet Chestnut- Crown dieback in upper crown - 40% crown reduction to tree TPO 534 (2016)

    8 Oak Piece Welwyn AL6 0XE

    Received 4 Jul 2023
  20. Decided - Granted6/2021/2382/HOUSE

    Erection of two storey side extension

    50 London Road Welwyn AL6 9HX

    Received 12 Aug 2021
  21. Decided - Granted6/2022/0453/HOUSE

    Installation of three front dormers and alterations to front elevation

    18 Moffats Lane Brookmans Park Hertfordshire AL9 7RU

    Received 25 Feb 2022
  22. Decided - Granted6/2019/2571/VAR

    Variation of condition 11 (approved drawings) on planning permission 6/2019/0434/FULL

    101 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 14 Oct 2019
  23. Decided - Granted6/2022/2725/HOUSE

    Retention of an elevated playhouse around oak tree (TPO 450)

    15 Reeves Court Welwyn AL6 9FU

    Received 1 Dec 2022
  24. Decided - Granted6/2020/0715/HOUSE

    Erection of single storey side infill extension and front porch

    Peartree House 38 High Road Essendon Hatfield AL9 6HW

    Received 13 Mar 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

All planning guides

  • Understanding planning · 13 min read

    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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