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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
28,971Searchable applications
307Recorded as pending
87%Approval rate · 24,012 approved or refused records
3,221Refused applications

20,791 approved · 3,221 refused · 1,543 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 17 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2015/2275/LAWP

    Conversion of loft incorporating alterations to the roof and installation of rear dormer window

    43 Homestead Road, Hatfield, AL10 0QN

    Received 6 Nov 2015
  2. Decided - Withdrawn6/2024/1230/PN15

    Prior approval for proposed installation of a telecommunications base station comprising a 18m monopole supporting 9 no antennas and 2 no dishes with wraparound cabinet at base, together with 5 no cabinets and ancillary development thereto

    Land at Pollards Close Welwyn Garden City AL7 3BY

    Received 1 Jul 2024
  3. Decided6/2022/1438/TC

    1 x Weeping willow to reduce in size to leave a basic framework for the tree to grow on from. This would leave a height of approximately 6m above ground level and radar spread of 3m.

    6 High Oaks Road Welwyn Garden City AL8 7BH

    Received 21 Jun 2022
  4. Decided - Granted6/2019/0885/HOUSE

    Erection of first floor side extension

    3 Oakington Welwyn Garden City AL7 2PS

    Received 11 Apr 2019
  5. Decided - Granted6/2025/1321/FULL

    Erection of two semi-detached dwellings

    1 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 24 Jun 2025
  6. Decided - Withdrawn6/2018/1528/LB

    Erection of single storey extension to outbuilding to facilitate installation of indoor swimming pool

    Ayot Montfitchet Ayot St Peter AL6 8BH

    Received 6 Jun 2018
  7. Decided - Granted6/2017/2334/LAWP

    Certificate of Lawfulness for the erection of a single storey gymnasium

    19 The Avenue Welwyn AL6 0PW

    Received 11 Oct 2017
  8. Decided - Granted6/2021/3436/RM

    Approval of reserved matters (appearance, landscaping, layout and scale) for the construction of the spine road and related highways including supporting drainage, infrastructure and landscaping works of the approved outline planning permission 6/2021/0516/VAR dated 10 June 2022

    Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ

    Received 8 Dec 2021
  9. Decided - Granted6/2021/1289/COND

    Submission of details pursuant to condition number 2 (replacement of trees) on planning permission 6/2019/2994/FULL

    Welwyn Rugby Football Club Hobbs Way Welwyn Garden City AL8 6HX

    Received 25 Mar 2021
  10. Decided - Granted6/2023/1846/TPO

    Apple tree on land at rear of property to reduce branches overhanging garden by approximately 2m back to the boundary (TPO 878 (2023) W2)

    Tree belt between Forresters Drive and Sylvan Way located behind garden fence of 57 Forresters Drive Welwyn Garden City AL7 2JA

    Received 5 Sept 2023
  11. Decided - Granted6/2016/2375/EM

    Removal of Ash tree

    37 Rosedale Welwyn Garden City AL7 1DW

    Received 3 Nov 2016
  12. Decided6/2024/0461/TC

    T1 Ash tree to crown reduce by 2.5m, lowest limb over drive to be removed, and lowest limb growing over road to be removed. T2 Spruce tree to reduce in height by 3m. T3 Ash tree to crown reduce by 1.5m.

    167 Handside Lane Welwyn Garden City AL8 6TA

    Received 11 Mar 2024
  13. Decided - Granted6/2015/2307/COND

    Application for approval of details reserved by condition 3 (sample of materials) and 4 (details of foundation) on planning permission N6/2015/1305/FP

    11 Nut Grove Welwyn Garden City AL8 7SQ

    Received 12 Nov 2015
  14. Decided - Granted6/2023/1254/HOUSE

    Erection of first floor front and side extension with new gabled roof, solar panels and ground-floor porch infill extension, alterations to the fenestration to included new brickwork and render and formation of new dormer and window within the front roofslope

    7 Thrush Lane Cuffley Potters Bar Hertfordshire EN6 4JU

    Received 14 Jun 2023
  15. Decided - Refused6/2024/1455/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3m in height and 2.6m to the eaves

    109 Woods Avenue Hatfield AL10 8QQ

    Received 1 Aug 2024
  16. Decided - Granted6/2021/1102/LAWP

    Certificate of lawfulness for the installation of rear dormer window and insertion of three front rooflights

    34 Frampton Road Little Heath Potters Bar EN6 1JE

    Received 6 Apr 2021
  17. Decided - GrantedN6/2014/0547/TP

    Crown thin by 20% and lift by 5 metres to Oak Tree (T1) covered by TPO 299

    14 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 17 Mar 2014
  18. Decided - Granted6/2017/1523/HOUSE

    Installation of two side dormers following removal of existing two chimney stacks, juliet balcony, formation of vehicular hardstanding to front garden, front boundary wall and gates to entrance

    97 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 13 Jul 2017
  19. Decided - Granted6/2021/0142/EM

    1 x small garage conversion to dining room, under building control, bricking up front of the house half height and a window installed as others in street

    31 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 18 Jan 2021
  20. Decided - Refused6/2022/2647/LAWP

    Certificate of lawfulness for a garage conversion to include window to replace existing garage door and erection of garden shed

    36 Beauchamps Welwyn Garden City AL7 1FG

    Received 21 Nov 2022
  21. Decided - Granted6/2021/1901/HOUSE

    Erection of a single storey rear extension with roof lantern and garage conversion including alterations to openings

    37 Crawford Road Hatfield AL10 0PF

    Received 22 Jun 2021
  22. Decided - Granted6/2018/1697/COND

    Submission of details pursuant to condition 4(Bicycle storage facilities) on 6/2018/0285/MAJ

    Unit 3C Bridgefields Welwyn Garden City AL7 1RX

    Received 25 Jun 2018
  23. Decided - Granted6/2022/0504/FULL

    Agricultural storage building and agricultural and forestry track

    Follyfoot Farm Woodfield Lane Hatfield AL9 6JJ

    Received 2 Mar 2022
  24. Decided - Refused6/2021/1250/HOUSE

    Erection of two storey side and single storey rear extensions and rear garage

    2 Hillcrest Hatfield AL10 8HW

    Received 19 Apr 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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