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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
22,568Searchable applications
292Recorded as pending
86%Approval rate · 18,352 approved or refused records
2,591Refused applications

15,761 approved · 2,591 refused · 1,173 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2018/1212/EM

    Change of use of two areas of land from amenity to residential/garden land

    2 Templewood Welwyn Garden City AL8 7HX

    Received 9 May 2018
  2. Decided - Granted6/2025/0139/HOUSE

    Proposed wrap around extension with crown roof and front portico

    72 Mymms Drive Brookmans Park AL9 7AD

    Received 28 Jan 2025
  3. Decided - Split6/2022/0262/COND

    Submission of details pursuant of Conditions 3 (drainage), 4 (lighting), 5 (noise) & 6 (materials) on planning permission 6/2019/0166/FULL - Approved by appeal reference APP/C1950/W/19/323320

    Units 9-11 Peartree Farm Welwyn Garden City AL7 3UW

    Received 7 Feb 2022
  4. Decided - Refused6/2018/0709/FULL

    Retention of a new shop front windows and door, enlarged rear entrance door and external ramp and replacement air conditioning condenser unit on flat roof

    57-59 Cole Green Lane Welwyn Garden City AL7 3PT

    Received 15 Mar 2018
  5. Decided - Split6/2025/0133/COND

    Submission of details pursuant to condition number 12 (Schedule of accommodation), 14 (Scheme to mitigate noise), 15 (Scheme to protect from noise due to transport sources) and 19 (Secure cycle parking) on planning permission 6/2021/3367/MAJ

    Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN

    Received 27 Jan 2025
  6. Decided6/2025/1822/TC

    1 x Walnut to reduce by approx 1.5m in height and width

    6 Scotts View Welwyn Garden City AL8 6HF

    Received 27 Aug 2025
  7. Decided - Granted6/2019/2813/HOUSE

    Erection of two storey front and side infill extension with installation of dormer window to front elevation and balcony terrace to rear elevation with erection of ground floor rear extension

    33 Oaklands Rise Welwyn AL6 0RN

    Received 6 Nov 2019
  8. Decided - Granted6/2018/1360/HOUSE

    Erection of a single storey side extension and replacement garage doors

    3 Mardley Hill Welwyn AL6 0UE

    Received 22 May 2018
  9. Decided - Granted6/2023/2320/HOUSE

    Erection of front porch following the removal of existing canopy

    34 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 17 Nov 2023
  10. Decided - Granted6/2023/2431/COND

    Submission of details pursuant to condition 1 (materials) on planning permission 6/2023/1939/FULL

    45 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 4 Dec 2023
  11. Decided - Granted6/2019/0262/HOUSE

    Erection of single storey rear extension

    18 Guessens Road Welwyn Garden City AL8 6QR

    Received 5 Feb 2019
  12. Decided - Granted6/2026/1176/COND

    Submission of details pursuant to condition 1 (Materials) on planning application 6/2026/0874/HOUSE

    45 Osborne Road Little Heath Potters Bar EN6 1SB

    Received 7 Jul 2026
  13. Decided6/2025/2024/TC

    We request a 25% crown reduction on three trees at 30 Coneydale. 1. Oak (T0), Hornbeam (T2) and Cherry (T12) marked on the accompanying map sketch

    30 Coneydale Welwyn Garden City AL8 7RZ

    Received 22 Sept 2025
  14. Decided - Granted6/2019/3096/EM

    Erection of first floor side extension with installation of 2 x roof lights including alterations to fenestration and formation of hardstanding

    43 Great Dell Welwyn Garden City AL8 7HP

    Received 5 Dec 2019
  15. Decided - Granted6/2017/0593/FULL

    Erection of single storey front extension with canopy and wheelchair access lift

    St Philip Howard Catholic Primary School, Woods Avenue, Hatfield, AL10 8NN

    Received 23 Mar 2017
  16. Decided - Granted6/2022/2032/COND

    Submission of details pursuant to condition 21 (external lighting scheme) on planning reference 6/2019/2086/MAJ

    Minster House Minster Close Hatfield AL10 9JN

    Received 1 Sept 2022
  17. Decided - Refused6/2022/2053/EMT

    Fell diseased Oak Tree under TPO 928 (2018) T22

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 5 Sept 2022
  18. Decided6/2024/1689/TC

    T1 1 x Ash to reduce by approximately 1.5m in both height and width. T2 1 x Ash (twin stem) to reduce by approximately 2m in height, 1.5m in width. T3 1 x Ash to reduce by approximately 2m in height, reduce lateral growth over lawn area by 2m, remaining width by 1.5m.

    9 Handside Lane Welwyn Garden City AL8 6SE

    Received 3 Sept 2024
  19. Decided - Granted6/2020/3341/LAWP

    Certificate of lawfulness for the erection of a rear facing dormer and installation of rooflights to front roof verge.

    15 Heathcote Avenue Hatfield AL10 0RQ

    Received 14 Dec 2020
  20. Decided - Granted6/2020/1097/EM

    Formation of hardstanding

    74 Rosedale Welwyn Garden City AL7 1DR

    Received 15 May 2020
  21. Decided6/2020/1488/TC

    Reduce crown of 1x Ash tree (T1) by 5m on top and 3m sides

    81 Parkway Welwyn Garden City AL8 6JF

    Received 24 Jun 2020
  22. Decided - Granted6/2021/2540/EMT

    Fell 1 x Cherry tree (A1), 1 x Silver Birch tree (A2) and 1 x Fir tree (A3). Reduce 1 x Oak tree (B1) by 3m and lift crown by 2m

    3 Woodland Rise Welwyn Garden City AL8 7LE

    Received 31 Aug 2021
  23. Decided - Granted6/2016/2605/FULL

    Change of use of first floor from A2 (Financial & Professional Services) to C3 (Dwellinghouses)

    8 Howardsgate Welwyn Garden City AL8 6BQ

    Received 7 Dec 2016
  24. Decided - Refused6/2021/2945/EMH

    Erection of a single storey rear extension involving demolition of existing rear conservatory, insertion of 1 x door to side elevation, conversion of loft to habitable use to include 1 x rear dormer with roof light

    7 Hurstlings Welwyn Garden City AL7 3LX

    Received 13 Oct 2021

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

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

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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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