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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
40,258Searchable applications
321Recorded as pending
86%Approval rate · 33,753 approved or refused records
4,813Refused applications

28,940 approved · 4,813 refused · 2,214 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2025/1791/MAJ

    Redevelopment of land at Ponsbourne Park to provide 26 new dwellings, extensions to and conversion of existing buildings to residential use and associated car parking and landscaping

    Ponsbourne Park Ponsbourne Park Newgate Street SG13 8QT

    Received 22 Aug 2025
  2. Decided - GrantedW6/2014/1436/EM

    Erection of single storey side extension following alterations to infill side path between existing garage and western elevation at ground floor

    70 Digswell Park Road, Welwyn Garden City, AL8 7NS

    Received 26 Jun 2014
  3. Decided - Granted6/2020/0112/FULL

    Change of use of land to residential garden land

    5 The Links Welwyn Garden City AL8 7DS

    Received 16 Jan 2020
  4. Decided - Granted6/2022/0343/EMT

    T1 - fell and grind 1 x conifer

    40 The Vineyard Welwyn Garden City AL8 7PU

    Received 14 Feb 2022
  5. Decided - GrantedN6/2007/0207/FP

    ERECTION OF TWO STOREY SIDE EXTENSION AND SINGLE STOREY FRONT AND REAR EXTENSIONS

    5 Crossway Welwyn Garden City AL8 7EB

    Received 8 Feb 2007
  6. Decided - Refused6/2020/2779/LAWP

    Certificate of lawfulness for Loft Conversion with side dormer

    41 Coopers Road Little Heath Potters Bar EN6 1JQ

    Received 23 Oct 2020
  7. Decided - GrantedW6/2014/2046/EM

    Proposed loft conversion

    65 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 17 Sept 2014
  8. Decided - Granted6/2016/1598/FULL

    Erection of dwellinghouse with basement following demolition of existing dwellinghouse

    The Doves, Hill Farm Lane, Welwyn, AL6 9BU

    Received 4 Aug 2016
  9. Decided - WithdrawnN6/2004/1482/FP

    CHANGE OF USE FROM CLASS A1 (RETAIL) TO A3 (RESTAURANT)

    32 Stonehills Welwyn Garden City AL8 6PD

    Received 6 Oct 2004
  10. Decided - GrantedS6/2004/0345/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    31 Honeysuckle Gardens Hatfield AL10 8PL

    Received 10 Mar 2004
  11. Decided - Withdrawn6/2023/1639/EM

    Replacement of like for like front and side door

    99 The Vineyard Welwyn Garden City AL8 7PX

    Received 8 Aug 2023
  12. Decided - Granted6/2020/0722/HOUSE

    Erection of a two storey front extension

    12 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 16 Mar 2020
  13. Decided - Granted6/2023/0686/HOUSE

    Erection of single storey rear extension at ground floor level, single storey side extension at ground floor level, single storey front extension at ground floor level and side extension at first floor level

    20 Roundwood Drive Welwyn Garden City Hertfordshire AL8 7JZ

    Received 27 Mar 2023
  14. Decided - Refused6/2018/0274/HOUSE

    Erection of a two storey rear extension after demolition of ground floor extensions

    19 The Avenue Welwyn AL6 0PW

    Received 29 Jan 2018
  15. Appeal Decided - Allowed6/2021/1527/HOUSE

    Erection of part two-storey extension to rear with a garage conversion.

    22 Rooks Hill Welwyn Garden City AL8 6ET

    Received 13 May 2021
  16. Decided - Granted6/2024/1109/HOUSE

    Installation of two front bay windows

    139 Church Road Little Heath Potters Bar EN6 1EU

    Received 14 Jun 2024
  17. Decided - Granted6/2021/3331/EMT

    1 x Magnolia to reduce by 1m height & 1.2m width

    76 Valley Road, Welwyn Garden City, AL8 7DP

    Received 24 Nov 2021
  18. Decided - Granted6/2016/2300/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m. in depth, 3m. in height and 2.5m. to the eaves

    17 Sandpit Road Welwyn Garden City AL7 3TW

    Received 31 Oct 2016
  19. Under Consultation6/2026/1343/MAJ

    Installation of new doors to rear elevation

    Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP

    Received 31 Jul 2026
  20. Decided - Granted6/2017/1101/HOUSE

    Erection of a first floor side extension and front garage.

    66 New Road Digswell Welwyn AL6 0AN

    Received 19 May 2017
  21. Decided6/2023/1993/TC

    T5-Conifer-Fell to ground level as it has outgrown its position. T6-Sycamore-Reduce crown by 3-4 metres all round to maintain its size and shape over the garage. T7-Sycamore x 2-Crown reduce all round by 3-4 metres to maintain size and shape for the area. T8-Leylandii-Reduce in height by 4-5 metres to maintain size for the area.

    Land adjacent to 22 Elm Gardens Welwyn Garden City AL8 6RY

    Received 27 Sept 2023
  22. Decided - GrantedW6/2005/1499/EM

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION

    11 Hillside, Welwyn Garden City, AL7 4PZ

    Received 2 Dec 2005
  23. Decided - Withdrawn6/2020/1346/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.00m in depth, 3.00m in heights and 3.00m to the eaves

    76 College Lane Hatfield AL10 9PQ

    Received 12 Jun 2020
  24. Decided - Granted6/2022/1636/COND

    Submission of details pursuant to condition number 4 (green roof), on planning permission 6/2021/1612/VAR

    The District Cemetery South Way Hatfield AL10 8HS

    Received 12 Jul 2022

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

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    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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