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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
24,134Searchable applications
313Recorded as pending
86%Approval rate · 19,753 approved or refused records
2,745Refused applications

17,008 approved · 2,745 refused · 1,260 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0358/COND

    Approval of details reserved by condition 3 (french doors) on consent S6/2014/2668/LB

    The Manor House, Essendon Hill, Essendon, Hatfield, AL9 6AJ

    Received 2 Mar 2016
  2. Decided - Granted6/2018/1695/HOUSE

    Erection of a single storey rear extension to include replacement of existing hipped roof with new gable roof,two pitched roof dormers to the front and a flat roofed dormer to the rear.

    58 Holloways Lane Welham Green Hatfield AL9 7NS

    Received 26 Jun 2018
  3. Decided - Granted6/2024/2207/FULL

    Erection of a single storey side extension to an existing outbuilding

    Rhodes Wood Hospital Rhodes Wood Hospital School Shepherds Way Brookmans Park AL9 6NN

    Received 14 Nov 2024
  4. Decided - Granted6/2022/2312/HOUSE

    Demolition of existing outbuildings and erection of two storey rear extension, single storey front extension, new flat roof light to existing flat roof and Internal alterations

    45 Windsor Road Welwyn Hertfordshire AL6 9JY

    Received 4 Oct 2022
  5. Decided - Granted6/2016/1175/LB

    Installation of secondary double glazing

    5 Digswell Lodge, Digswell Rise, Welwyn Garden City, AL8 7NU

    Received 2 Jun 2016
  6. Decided - Granted6/2020/2255/EMT

    1 x Oak to reduce by 2.5m height & width (further reduction after that done for 6/2020/0952/EMT)

    36 Lodgefield Welwyn Garden City AL7 1SD

    Received 3 Sept 2020
  7. Appeal Decided - Dismissed6/2018/2258/FULL

    Erection of bungalow

    Land Adjacent to 26 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 3 Sept 2018
  8. Decided - Granted6/2024/0441/TPO

    T1: Beech - Remove to ground level - Longitudinal crack up main stem G2: x2 Hollies - Remove to ground level - Squirrel damaged dead tops G3: Cherry Laurel - Remove 5 stems to ground level - Make way for panel fencing

    8 Broadleaf Grove Welwyn Garden City AL8 7AZ

    Received 7 Mar 2024
  9. Decided6/2019/1055/TC

    Various Tree Works-Conservation area Fell 1x Hornbeam tree Crown Reduction 4 x Hornbea trees by 30% Pollard 4 x Hornbeam trees Crown Clean 2 x Hornbeam trees Crown Clean 1 x Oak tree

    Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD

    Received 1 May 2019
  10. Decided - Granted6/2023/2363/HOUSE

    Erection of single storey rear extension and porch infill

    6 Broadfield Road Woolmer Green SG3 6LZ

    Received 23 Nov 2023
  11. Decided - Granted6/2023/1395/TPO

    5 days’ notice to remove 7 x dead pine trees TPO 547 (2016) G3

    Reservoir Court Hatfield AL10 9UN

    Received 4 Jul 2023
  12. Decided - Granted6/2016/1748/HOUSE

    Conversion of garage to habitable space

    53 Longcroft Gardens, Welwyn Garden City, AL8 6JR

    Received 25 Aug 2016
  13. Decided - Granted6/2023/1939/FULL

    Erection of a dwelling following the demolition of existing dwelling

    45 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 19 Sept 2023
  14. Decided - Granted6/2019/3159/HOUSE

    Erection of single storey front, side extension and first floor rear extension with alterations to openings

    8 Oaken Grove Welwyn Garden City AL7 4TP

    Received 16 Dec 2019
  15. Decided - Granted6/2020/0949/TPO

    Fell 2 x Dead Lime Trees (TPO 260)

    1 Mornington Digswell Welwyn AL6 0AJ

    Received 27 Apr 2020
  16. Decided - Withdrawn6/2021/0573/FULL

    Erection of a single storey rear extension

    Woodman Inn 21 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 23 Feb 2021
  17. Decided6/2026/0589/TC

    Oak T1 – Reduce the Oak tree by approximately 30% (3–4 metres), focusing primarily on the right-hand side to clear the overhang above the garage, and balance the crown. This work forms part of routine maintenance to manage the tree’s size in relation to its surroundings

    The Limes 51 High Road Essendon Hatfield AL9 6HS

    Received 2 Apr 2026
  18. Decided - Withdrawn6/2019/2833/COND

    Submission of details pursuant to condition 6 (landscaping) on planning permission 6/2019/0726/VAR

    The East Great North Road Welwyn Garden City AL8 7TB

    Received 8 Nov 2019
  19. Decided - Granted6/2019/0412/EM

    Expansion of Driveway area to 2.5m wide and 11m long

    50 Kirklands Welwyn Garden City AL8 7RD

    Received 22 Feb 2019
  20. Decided - Granted6/2025/1629/EM

    Raising of existing rear and part side flat roof and insertion of roof lights, window replacement throughout, changes to front doorways and new rear bi-fold doors, new parking bay and patio area

    9 Graysfield Welwyn Garden City AL7 4BL

    Received 29 Jul 2025
  21. Decided - Granted6/2018/0566/EM

    Erection of a single storey rear extension and garden store.

    87 Woodhall Lane Welwyn Garden City AL7 3TH

    Received 27 Feb 2018
  22. Decided - Granted6/2021/2180/LAWP

    Certificate of lawfulness for loft conversion to include a rear dormer, 3 x front rooflights and conversion of roof from hip to gable end

    11 Peplins Close Brookmans Park AL9 7UX

    Received 19 Jul 2021
  23. Decided - Split6/2021/0738/COND

    Submission of details pursuant to condition 5, 6 and 12, on planning permission 6/2020/1067/MAJ

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 8 Mar 2021
  24. Appeal Decided - Allowed6/2021/2527/PN15

    Installation of a 15 metre high monopole supporting 6 no. antennas and 2 no. transmission dishes, 4 no. equipment cabinets and development works ancillary thereto.

    WEH18827 - Shoplands Streetworks Shoplands Knightsfield Digswell AL8 7RH

    Received 31 Aug 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

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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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