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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
20,505Searchable applications
298Recorded as pending
86%Approval rate · 16,570 approved or refused records
2,337Refused applications

14,233 approved · 2,337 refused · 1,045 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/3163/LAWP

    Certificate of lawfulness for the erection of x2 two storey rear extensions, hip to gable roof enlargement with rear dormer windows, insertion of front and side rooflights

    22 Hawkshead Lane Hatfield AL9 7TB

    Received 25 Nov 2020
  2. Decided - Granted6/2020/2295/EM

    Erection of replacement doors and windows, blocking previous doors and windows, internal alterations, relaying driveway, terrace and steps. Erection of 1800mm high timber fence to rear garden and removal of 2 trees in rear garden

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 8 Sept 2020
  3. Decided - Withdrawn6/2019/1939/VAR

    Variation of condition 2 (lime render) and 4 (sample panel of proposed lime mortar render)) on Listed Building consent 6/2015/1761/LB

    Aqua Ristorante Ltd 28 High Street Welwyn AL6 9EQ

    Received 7 Aug 2019
  4. Appeal Decided - Dismissed6/2017/1152/FULL

    Change of use of land to a B2 use for vehicle repairs involving erection of a workshop following part demolition of existing workshop unit.

    Units 9-11 Peartree Farm Welwyn Garden City AL7 3UW

    Received 26 May 2017
  5. Decided - Granted6/2026/0146/EM

    Rebuild two chimneys

    32 Guessens Road Welwyn Garden City AL8 6RA

    Received 28 Jan 2026
  6. Call In/Major Objection6/2026/0076/FULL

    Erection of three dwellings with associated landscaping and car parking

    23-25 Station Road and 1-9 Woodside Road Digswell AL6 0DU

    Received 16 Jan 2026
  7. Decided - Granted6/2026/0314/HOUSE

    Erection of single storey porch to front elevation, partial conversion of garage, removal of existing rear dormer window and replacement with a new larger dormer window and fenestration alterations. Insertion of two dormer windows to front elevation. Single storey extension to ground floor over footprint over existing lower ground office space. Amendments to existing raised decking including removal of open balustrade and steep staircase to garden and replacement with new balustrading and a new stair

    6 The Limberlost Welwyn AL6 9TS

    Received 20 Feb 2026
  8. Decided - Granted6/2018/2797/EM

    Fell 1 x Eucalyptus and 1 x Weymouth Pine Tree

    12 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 29 Oct 2018
  9. Decided - Granted6/2023/0044/EM

    Replacement of an existing conservatory to rear of property.

    9 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 9 Jan 2023
  10. Appeal Decided - Dismissed6/2022/1646/FULL

    Erection of detached two bedroom dwelling

    6 The Brambles Welwyn AL6 0PG

    Received 12 Jul 2022
  11. Decided - Granted6/2026/0928/LAWP

    Erection of a single detached 5 bedroom dwelling (Unit 24, Type G) with associated parking, access and landscaping pursuant to planning permission 6/2021/3304/MAJ dated 28 October 2022

    Osborne House Farm Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 27 May 2026
  12. Decided - Granted6/2021/1435/HOUSE

    Erection of a single storey rear and side extension and canopy roof

    44 Heron Way Hatfield AL10 8QX

    Received 7 May 2021
  13. Decided - Granted6/2023/0013/COND

    Submission of details pursuant of conditions 5 (Drainage Scheme), 29 (Drainage Strategy) and 33 (Final Design of Drainage Scheme) on planning permission 6/2019/2714/OUTLINE

    YMCA 90 Peartree Lane Welwyn Garden City AL7 3UL

    Received 4 Jan 2023
  14. Decided - Granted6/2021/1518/EMH

    Alterations to roof to facilitate loft conversion

    48 Attimore Road Welwyn Garden City AL8 6LP

    Received 12 May 2021
  15. Decided - Refused6/2019/3113/COND

    Submission of details pursuant to condition 1 (Contamination) on application 6/2018/1519/MAJ

    Street Record Chequers Field Welwyn Garden City AL7 4SX

    Received 9 Dec 2019
  16. Decided - Refused6/2023/0565/EM

    Remove old concrete, soil and hedge from the front and replace with block paving

    109 Howlands Welwyn Garden City AL7 4RL

    Received 13 Mar 2023
  17. Decided - Granted6/2019/1565/EM

    Reduce 1x Beech tree by 4m

    8 Digswell Road Welwyn Garden City AL8 7PA

    Received 26 Jun 2019
  18. Decided - Granted6/2021/0029/TPO

    Fell 2 x trees covered by TPO 11

    Claremont House 50 Brookmans Avenue Hatfield AL9 7QJ

    Received 6 Jan 2021
  19. Decided - Granted6/2024/0616/HOUSE

    Erection of a single storey rear extension, a single storey side extension and front porch, following the demolition of the existing side addition, increase in ridge height to facilitate an enlarged loft conversion with the addition of four side dormers, erection of a raised patio to the rear and fenestration alterations

    41 Northaw Road East Potters Bar Hertfordshire EN6 4LU

    Received 29 Mar 2024
  20. Decided - Granted6/2022/0386/EM

    Erection of front porch

    23 Little Thistle, Welwyn Garden City, AL7 4AE

    Received 18 Feb 2022
  21. Decided - Granted6/2019/3127/HOUSE

    Erection of first floor side and rear extension

    8 South Drive Cuffley Potters Bar EN6 4HP

    Received 11 Dec 2019
  22. Decided - Granted6/2023/0476/HOUSE

    Erection of part single/part two storey side extension and single storey rear extension

    44 Crossway Welwyn Garden City AL8 7EE

    Received 1 Mar 2023
  23. Decided - Granted6/2020/0407/HOUSE

    Erection of a rear conservatory

    23 Mymms Drive Brookmans Park Hatfield AL9 7AE

    Received 13 Feb 2020
  24. Decided - Granted6/2021/0448/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.45m height, 4m in depth and 2.30m to the eaves

    50 Wilshere Road Welwyn AL6 9PX

    Received 10 Feb 2021

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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