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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,297Searchable applications
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/0657/HOUSE

    Erection of single storey rear/side infill and rear extension, first floor side/rear extension, garage conversion including 1.5m extension and raising of roof, alteration to side elevation opening and insertion of rooflight to existing roof.

    88 Attimore Road Welwyn Garden City AL8 6LP

    Received 14 Apr 2026
  2. Decided - GrantedS6/2008/1542/AD

    RELOCATION OF EXISTING SIGNAGE ON THE SOUTH ELEVATION

    GALLERIA SOUTH - THE GALLERIA OUTLET CENTRE, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0XU

    Received 19 Aug 2008
  3. Decided - Granted6/2024/0327/HOUSE

    Erection of outbuilding to be used as residential annex

    3 Holwell Manor Cottages Essendon Hill Essendon Hatfield AL9 6AE

    Received 19 Feb 2024
  4. Decided - RefusedN6/2007/1069/FP

    CONVERSION OF GARAGE TO HABITABLE ACCOMMODATION

    16 Somersham Welwyn Garden City AL7 2PZ

    Received 18 Jul 2007
  5. Decided - RefusedN6/2013/1821/FP

    Erection of two storey rear extension

    77 Eddington Crescent, s, Welwyn Garden City, AL7 4SX

    Received 21 Aug 2013
  6. Decided - RefusedN6/2007/0365/FP

    ERECTION OF SINGLE STOREY BUILDING FOR USE AS OUTSIDE SMOKING AREA

    The Chequers Inn 16 London Road Woolmer Green Knebworth SG3 6JP

    Received 5 Mar 2007
  7. Decided - Granted6/2022/0016/EM

    Erection of a single storey rear extension involving demolition of existing rear extension

    46 Springfields Welwyn Garden City AL8 6XN

    Received 5 Jan 2022
  8. Decided - Granted6/2025/1025/COND

    Submission of details pursuant to Condition 3 (Tree Protection) on planning permission 6/2024/0105/MAJ

    Land north of The Meadway Cuffley Potters Bar EN6 4ET

    Received 30 May 2025
  9. Decided - Refused6/2024/2052/PN19

    Prior approval for the erection of an agricultural building measuring 15m in length, 16m in width, 3.6m to the eaves and 5.5m to the ridge

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 24 Oct 2024
  10. Decided - SplitN6/2013/1971/TP

    Fell Oak T1, crown reduce by 2-3m Oaks T2 & T3, leaving all lower growth and rebalance, covered by TPO 138.

    28 Robbery Bottom Lane Welwyn AL6 0UW

    Received 11 Sept 2013
  11. Decided - Granted6/2017/2346/MAJ

    Subdivision of existing single dwelling into two dwellings and erection of two porches following partial demolition of existing porch.

    10 Hawkshead Lane North Mymms Hatfield AL9 7TB

    Received 12 Oct 2017
  12. Decided - Granted6/2017/1016/TPO

    Fell poplar tree covered by TPO 575 (2016) Dead & Dangerous

    Tolmers Scout Camp Tolmers Road Cuffley Potters Bar EN6 4JS

    Received 11 May 2017
  13. Decided - Granted6/2022/1349/LAWP

    Certificate of lawfulness for hip to gable, rear dormer loft conversion and rooflights to the front

    21 Manor Road Hatfield Hertfordshire AL10 9LJ

    Received 10 Jun 2022
  14. Decided - Granted6/2019/0607/HOUSE

    Erection of a single storey side and rear extension

    19 Lark Rise Hatfield AL10 8RN

    Received 14 Mar 2019
  15. Decided - Granted6/2022/0789/VAR

    Variation of condition 5 (Approved plans) on planning permission 6/2020/2751/FULL

    44 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 30 Mar 2022
  16. Decided - Granted6/2016/1909/FULL

    Conversion and extension of the garage to form Annexe.

    38 The Avenue Welwyn AL6 0PP

    Received 14 Sept 2016
  17. Decided - Granted6/2023/0283/EM

    Installation of 10 Solar Panels

    15 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 6 Feb 2023
  18. Decided - GrantedN6/2014/0192/TC

    Removal of Conifer tree

    70 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 29 Jan 2014
  19. Decided - RefusedS6/2008/0235/FP

    ERECTION OF NEW DWELLING, FOLLOWING DEMOLITION OF EXISTING

    42 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BA

    Received 8 Feb 2008
  20. Decided - Granted6/2026/0871/HOUSE

    Proposed part single storey rear and side extension with break through, first floor part rear/side infill with internal alterations

    13 Birkin Court Welwyn Garden City AL7 3FA

    Received 18 May 2026
  21. Decided - GrantedS6/2004/1163/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION, AMENDMENT TO PLANNING PERMISSION S6/2004/762/FP.

    36 Bacons Drive Cuffley Potters Bar EN6 4DU

    Received 29 Jul 2004
  22. Decided - Granted6/2021/2901/EMT

    2 x Lawson Cypress to fell to ground level 1 x Magnolia to reduce by 2m height & width

    8 Youngs Rise Welwyn Garden City AL8 6RU

    Received 8 Oct 2021
  23. Decided - Granted6/2026/0251/LAWP

    Certificate of lawfulness for construction of new entrance gates and associated walling/railings

    Woodlands The Ridgeway Northaw Potters Bar EN6 4BJ

    Received 12 Feb 2026
  24. Decided - Granted6/2016/2510/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m. in depth, 4m. in height and 2.5m. to the eaves.

    483 Howlands Welwyn Garden City AL7 4HP

    Received 24 Nov 2016

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

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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

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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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