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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
24,809Searchable applications
313Recorded as pending
86%Approval rate · 20,353 approved or refused records
2,805Refused applications

17,548 approved · 2,805 refused · 1,309 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2322/EM

    Installation of satellite dish

    85 Haldens Welwyn Garden City AL7 1DQ

    Received 10 Oct 2017
  2. Decided - Granted6/2020/0680/EM

    Erection of a single storey, part two storey rear and single storey side extension side and alterations to openings on existing first floor side elevation

    51 Oakdale Welwyn Garden City AL8 7QP

    Received 10 Mar 2020
  3. Decided - Granted6/2022/2035/TPO

    Reduce 1x Hornbeam (T4) covered by TPO 711(2017) by approx. 2 metres and thin by 30% This permission is sought due to excessive shading of small rear garden

    2 Juniper Gardens Welwyn AL6 0XH

    Received 1 Sept 2022
  4. Decided - Granted6/2018/2026/PN8

    Prior approval for the erection of single storey rear extension measuring 5m in depth, 3.5m in height, 2.2m to the eaves

    6 Worcester Road Hatfield AL10 0DX

    Received 31 Jul 2018
  5. Decided - Granted6/2025/0907/EMT

    1 x Cherry plum to reduce by approximately 3m height and 1.5m width to maintain size for garden

    51 Springfields Welwyn Garden City AL8 6XT

    Received 16 May 2025
  6. Decided - Granted6/2017/0069/TPO

    Crown reduce oak by 20% and remove deadwood

    61 Pentley Park Welwyn Garden City AL8 7SF

    Received 16 Jan 2017
  7. Decided - Granted6/2016/0344/HOUSE

    Erection of a ground floor single storey rear extension.

    34 Barleycroft Road, Welwyn Garden City, AL8 6JU

    Received 29 Feb 2016
  8. Decided - Granted6/2017/1274/HOUSE

    Erection of single storey rear extension

    2 Malmsdale Welwyn Garden City AL8 7QN

    Received 12 Jun 2017
  9. Decided - Granted6/2020/1168/ADV

    Installation of 4 x fascia signs (3 non-illuminated and 1 internally illuminated), 1 x internally illuminated projecting sign and 8 x non-illuminated graphic signs

    Tesco Express Commercial Unit New Local Centre Knebworth SG3 6JR

    Received 26 May 2020
  10. Decided - Granted6/2019/2023/HOUSE

    Erection of conservatory, alterations to fenestration, installation of roof lights

    Badger Cottage, 6 Whitehill, Welwyn AL6 9AF

    Received 13 Aug 2019
  11. Decided - Granted6/2023/1714/TPO

    English oak to reduce the height by 25% and thin out by 30% (due to concerns about tree height).

    46 Carleton Rise Welwyn AL6 9RG

    Received 15 Aug 2023
  12. Decided - Granted6/2024/1264/COND

    Submission of details pursuant of condition 7 (cycle storage details) on planning permission 6/2022/0356/RM

    Land south-west of Filbert Close Hatfield AL10 9SH

    Received 5 Jul 2024
  13. Decided - Split6/2022/2284/COND

    Submission of details pursuant to condition 2 (Construction environment management plan), 6 (Construction traffic management plan) and 15 (Fire hydrants) on planning permission 6/2021/2125/MAJ

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 30 Sept 2022
  14. Decided - Granted6/2025/0436/HOUSE

    Erection of single storey side and rear extension and wooden fence

    70 Broad Acres Hatfield AL10 9LD

    Received 10 Mar 2025
  15. Decided - Granted6/2018/2481/EM

    Reduce 1x Copper Beech tree height by 2.5m and width by 2m

    31 Bridge Road Welwyn Garden City AL8 6UG

    Received 26 Sept 2018
  16. Decided - Granted6/2023/1794/EMT

    T1- False Cypress Tree to fell T2- Apple Tree to reduce by 30% to keep and maintain the tree at 3-4m tall T3- Beech Tree to reduce by 30% to keep and maintain the tree at 3-4m tall T4- Hazel Tree to reduce by 5% to keep and maintain the tree at 3-4m tall T5- Unknown Tree type to reduce by 10% to keep and maintain the tree at 3-4m tall T6 to T13- 8 Leylandii Fir trees to fell to ground level and replace with a species more typical of Welwyn Garden City Estate Management Area

    10 Woodland Rise Welwyn Garden City AL8 7LF

    Received 29 Aug 2023
  17. Decided - Withdrawn6/2021/1425/HOUSE

    Alteration to existing driveway, erection of brick piers, installation of automated sliding gate and erection of softwood fence.

    76 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 5 May 2021
  18. Decided - Granted6/2016/0192/MAJ

    Erection of 12 residential units comprising 3No. 1-bed and 9No. 2-bed flats with associated car parking, cycle store, refuse store and landscaping

    Land accessed from Green Close, Brookmans Park, Hatfield, AL9 7ST

    Received 4 Feb 2016
  19. Appeal Decided - DismissedW6/2015/0739/EM

    Retention of vehicle hardstanding, new pathway and shrubbery

    56 Broomhills Welwyn Garden City AL7 1RD

    Received 2 Apr 2015
  20. Decided - Granted6/2023/1826/HOUSE

    Formation of steps at rear and installation of patio

    61 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 1 Sept 2023
  21. Decided - Granted6/2023/2005/EM

    Erection of single storey rear extension

    71 Broadwater Crescent, Welwyn Garden City, AL7 3TS

    Received 29 Sept 2023
  22. Decided - Granted6/2021/2116/FULL

    Erection of a new entrance porch and ramp and covered seating area and refurbishments, erection of 1.1m high picket fence & gate.

    The Chequers 16 London Road Knebworth SG3 6JP

    Received 14 Jul 2021
  23. Decided - Granted6/2019/2938/HOUSE

    Erection of front porch and single storey side extension

    9 Two Oaks Drive Welwyn AL6 0EZ

    Received 21 Nov 2019
  24. Decided - Granted6/2026/1260/EMT

    Fell 1 dead Beech tree in rear garden.

    77 The Commons Welwyn Garden City AL7 4RZ

    Received 17 Jul 2026

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

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

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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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