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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
31,676Searchable applications
303Recorded as pending
87%Approval rate · 26,453 approved or refused records
3,471Refused applications

22,982 approved · 3,471 refused · 1,670 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2018/1038/EM

    Change of rear roof conservatory from glass to composite slate tile

    3 Stacklands Welwyn Garden City AL8 6XW

    Received 23 Apr 2018
  2. Decided - Granted6/2021/2418/EM

    Erection of a single storey rear extension to include insertion of 1 x roof lantern

    36 Walnut Grove Welwyn Garden City AL7 4EU

    Received 17 Aug 2021
  3. Decided - GrantedS6/2013/2475/EI

    Screening Opinion for revised scheme for proposed solar park (Amendment to previous application S6/2013/1570/EI for reduced site area)

    Land at North Mymms Park Estate, North Mymms, Hatfield, AL9 7TX

    Received 25 Nov 2013
  4. Decided - Granted6/2021/2826/LAWP

    Certificate of lawfulness for two storey rear extension, garage conversion, alterations to openings on front and both side elevations, and 2 x roof lights to existing roof to rear.

    13 Selwyn Avenue Hatfield AL10 9NR

    Received 1 Oct 2021
  5. Decided - Withdrawn6/2025/0119/FULL

    Installation of 2.4m high fencing required to protect an existing cross-country valve

    Land adjacent to Watersplash Cottages Station Road North Mymms Welham Green AL9 7SW

    Received 24 Jan 2025
  6. Decided - Granted6/2020/1891/EMT

    Fell 1x dying and dangerous Silver Birch tree

    50 Beehive Lane Welwyn Garden City AL7 4BP

    Received 30 Jul 2020
  7. Decided - Granted6/2020/0236/EM

    Retention of hardstanding

    87 Uplands Welwyn Garden City AL8 7EH

    Received 27 Jan 2020
  8. Decided - Granted6/2016/0444/PN8

    Prior approval for the proposed development of a single storey dual pitched roof building, measuring 2.5m to the eaves, ridge 4m and extending 8m from the rear of the existing building

    The Cutting 30 Great North Road Brookmans Park Hatfield AL9 6NF

    Received 8 Mar 2016
  9. Decided - Granted6/2019/0819/EM

    Fell 1x Silver Birch Tree (T1)

    55 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 4 Apr 2019
  10. Decided - GrantedS6/2014/0903/TP

    Works to trees covered by TPO 127 (see schedule)

    11-25 Welham Manor, Welham Green, Hatfield, AL9 7EL

    Received 28 Apr 2014
  11. Decided - Refused6/2019/2950/FULL

    Change of use from amenity to residential land with the formation of a hardstanding

    4 Coningsby Close Welham Green Hatfield AL9 7PU

    Received 22 Nov 2019
  12. Decided - Granted6/2016/0618/FULL

    Erection of 2no detached dwellinghouses

    315 St Albans Road West, Hatfield, AL10 9RJ

    Received 6 Apr 2016
  13. Decided - Granted6/2020/1902/FULL

    Demolition of existing bungalow and construction of 2no Chalet style semi-detached houses.

    15 The Drive Welwyn AL6 0TW

    Received 3 Aug 2020
  14. Decided - Granted6/2025/1950/EMT

    T2 - 1 x Oak (corner of Woodhall Lane/Court) to reduce by 2m in height and width. Reducing to previous to maintain trees shape and size T1 - 1 x Oak to reduce by 2m in height and width. Remove low hanging branch over footpath, lifting remaining branches over pathway to 4m above ground level. Reduce back to previous to maintain tree shape and size. Low limb over footpath to be removed

    41 Woodhall Lane Welwyn Garden City AL7 3TB

    Received 11 Sept 2025
  15. Decided - Granted6/2020/1317/EM

    Installation of two external air conditioning units, each measuring 800mm (w) x 285mm (d) x 550mm (h) on a flat roof. Location of the units will be on the west side of the property, away from the edge of the roof, and will not be visible from street level or adjoining property to the east

    13 Stacklands Welwyn Garden City AL8 6XW

    Received 10 Jun 2020
  16. Decided - Granted6/2017/1469/FULL

    Retention of hardstanding

    Land off Cucumber Lane Essendon Hatfield AL9 6JB

    Received 5 Jul 2017
  17. Decided - Granted6/2019/0098/HOUSE

    Erection of a rear orangery

    26 Bluebell Way Hatfield AL10 9FJ

    Received 18 Jan 2019
  18. Decided - GrantedW6/2013/2555/TE

    Removal of Willow tree

    19 Turmore Dale, Welwyn Garden City, AL8 6HT

    Received 25 Nov 2013
  19. Decided - Granted6/2018/2445/EM

    Erection of first floor rear extension and alterations to openings

    12 Warren Dale Welwyn Garden City AL8 7HN

    Received 24 Sept 2018
  20. Decided - Granted6/2017/2480/HOUSE

    Erection of a single storey, part two storey rear extension, two storey side extension and front porch with alterations to openings.

    33 Bradgate Cuffley Potters Bar EN6 4RN

    Received 27 Oct 2017
  21. Decided - Granted6/2021/2927/COND

    Submission of details pursuant to conditions 1 (materials) on planning permission 6/2020/1767/FULL

    154 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 12 Oct 2021
  22. Decided - Granted6/2025/0919/FULL

    Erection of front extension to existing restaurant

    27 Station Road Cuffley Potters Bar EN6 4HX

    Received 19 May 2025
  23. DecidedN6/2014/1868/TC

    Fell Birch tree

    23 Beehive Lane, Welwyn Garden City, AL7 4BB

    Received 21 Aug 2014
  24. Decided - Granted6/2022/0962/FULL

    Installation of proposed air conditioning units and satellite dishes to rear elevation and advertisements to fascia and hanging projecting sign

    8 High View Hatfield Hertfordshire AL10 8HZ

    Received 22 Apr 2022

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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