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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
18,853Searchable applications
298Recorded as pending
86%Approval rate · 15,211 approved or refused records
2,116Refused applications

13,095 approved · 2,116 refused · 955 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2023/0287/TC

    1 x Ash to reduce lateral branches by approximately 2.5m as they encroaching the neighbours boundary

    5 The Orchard Welwyn Garden City AL8 7PL

    Received 6 Feb 2023
  2. Decided - Granted6/2022/2909/COND

    Submission of details pursuant to condition number 1 (material samples), on planning permission 6/2022/0824/RM

    Roundhouse Farm Land Off Bullens Green Lane Colney Heath

    Received 29 Dec 2022
  3. Decided - Granted6/2025/1209/FULL

    Single storey halfway house comprising of servery, restroom facilities, seating area with decking, 6 PV panels on flat roof and air-source heat pump on western elevation

    Bedwell Park Hatfield London Country Club High Road Essendon Hatfield AL9 6HN

    Received 16 Jun 2025
  4. Under Consultation6/2026/1476/HOUSE

    Replacement of existing wooden garage with wooden shed

    9 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 21 Aug 2026
  5. Decided - Granted6/2020/0148/HOUSE

    Raising of part of the roof to facilitate an extension to the loft, including the insertion of two dormer windows, one front dormer window and the erection of a single storey rear extension and raised patio.

    21 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 20 Jan 2020
  6. Decided6/2021/0696/TC

    Fell 1 x Elder & Apple tree, Cypress & Holly hedge lifted to 2m and reduced by 2m, fell 1 x Holly tree covered by conservation area

    17 The Valley Green Welwyn Garden City AL8 7DQ

    Received 3 Mar 2021
  7. Decided - Granted6/2019/2118/EM

    Reduce 1 x Lime by 50% (re pollard to previous pruning points)

    14 The Old Drive Welwyn Garden City AL8 6TB

    Received 27 Aug 2019
  8. Decided - Granted6/2024/1445/EM

    Erection of a shed and veranda/gazebo. Erection of gates and replacement of existing rear driveway

    1 Swanhill Welwyn Garden City AL7 1PB

    Received 31 Jul 2024
  9. Decided - Granted6/2021/0753/EMT

    Retention of historic hedge at 7ft width

    151 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 8 Mar 2021
  10. Decided - Refused6/2021/1941/EM

    Retention of new driveway.

    53 The Wade Welwyn Garden City AL7 4LG

    Received 25 Jun 2021
  11. Decided - Granted6/2022/2842/HOUSE

    Erection of a new single storey rear extension and part infill side extension with the erection of a two-storey extension to the rear, following demolition of existing conservatory and single storey extension. Alteration and insertion of doors and fenestration; relocated garden access with retention of timber cladding, window and door styled to match existing; insertion of sun pipe; Conversion of existing garage to habitable space. Infill on ground floor between existing kitchen and new extension at Number 3, Pentley Park. External works: Landscaping work

    5 Pentley Park Welwyn Garden City AL8 7RT

    Received 16 Dec 2022
  12. Decided - Granted6/2019/1652/EM

    Formation of driveway with hard and soft landscaping

    6 High Oaks Road Welwyn Garden City AL8 7BH

    Received 3 Jul 2019
  13. Decided - Granted6/2020/1933/TPO

    Fell Oak G1 as it is dying. Reduce Oak & Sweet Chestnut G1 by 3m to bring back down to natural point of growth. Reduce and cut small branches of Hornbeams T1 & T4.

    15 Bluebells Welwyn AL6 0XD

    Received 30 Jul 2020
  14. Under Consideration6/2026/1317/COND

    Submission of details pursuant to Condition 3 (materials), 4 (refuse and recycling) & 6 (landscaping) on planning permission 6/2025/2133/FULL

    58 Bell Lane Brookmans Park AL9 7AY

    Received 28 Jul 2026
  15. Decided - Granted6/2020/2639/EM

    Partial conversion of existing garage, single storey rear extension, first floor side extension and insertion of side access gate

    63 Pentley Park Welwyn Garden City AL8 7SF

    Received 12 Oct 2020
  16. Decided - Granted6/2022/1855/FULL

    Erection of new dwelling

    Land to the rear of 35 Skimpans Close Welham Green Hatfield AL9 7PA

    Received 9 Aug 2022
  17. Decided - Granted6/2025/1327/EM

    Erection of a single storey rear extension, part garage conversion and alterations to opening on side elevation following demolition of conservatory

    131 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 25 Jun 2025
  18. Decided - Granted6/2023/2000/HOUSE

    Erection of single storey side/rear extension, first floor side extension

    12 Oakington Welwyn Garden City AL7 2PS

    Received 28 Sept 2023
  19. Decided - Granted6/2026/1323/EM

    Like for like replacement windows and rear door

    10 Picketts Welwyn Garden City AL8 7HJ

    Received 29 Jul 2026
  20. Decided - Refused6/2022/1251/FULL

    Conversion of existing two storey side extension to a dwelling with erection of first floor rear extension serving the existing and proposed dwelling

    189 Boundary Lane Welwyn Garden City AL7 4EJ

    Received 27 May 2022
  21. Decided - Refused6/2020/2604/LAWE

    Certificate of lawfulness for the existing use of property known as "The Cabin" as an independent self-contained residential dwelling for a continuous period in excess of 4 years

    Essendon Mill Low Road Essendon Hatfield AL9 6AD

    Received 8 Oct 2020
  22. Decided - Withdrawn6/2022/2434/FULL

    Proposed single storey front extension and part single, part two storey rear extension

    4 Hill Ley Hatfield AL10 8LX

    Received 20 Oct 2022
  23. Decided - Granted6/2020/0968/COND

    Submission of details pursuant to condition 3 (arboricultural method statement) on planning permission 6/2019/2204/FULL, dated 14/02/2020

    Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR

    Received 29 Apr 2020
  24. Decided - Granted6/2020/1423/EM

    Fell 1 x Hawthorn (crataegus monogyna) tree Fell 1 x Hazel (corylus avellana) tree Fell 1 x Hornbeam tree

    76 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 19 Jun 2020

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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    Published Updated

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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