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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
29,303Searchable applications
307Recorded as pending
87%Approval rate · 24,313 approved or refused records
3,245Refused applications

21,068 approved · 3,245 refused · 1,559 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2022/2062/TC

    Fell 1 x cherry in rear garden

    27 Blakemere Road Welwyn Garden City Hertfordshire AL8 7PQ

    Received 5 Sept 2022
  2. Decided - Granted6/2024/1600/COND

    Submission of details pursuant to condition number 1 (materials samples), 2 (hard and soft landscaping) 3 (Ecological Enhancements), on planning permission 6/2023/1271/FULL

    Land Adjacent to 54 New Road Digswell Welwyn AL6 0AH

    Received 21 Aug 2024
  3. Decided6/2026/0913/TC

    1 x Sycamore tree to fell (sooty bark & decline).

    Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD

    Received 21 May 2026
  4. Decided - Granted6/2026/0018/EM

    Retrospective applications for erection of single storey rear extension, installation of EV charging point, replacement hardstanding, re-installation of porch canopy, replacement UPVC windows and composite front door

    412 Howlands Welwyn Garden City AL7 4HB

    Received 5 Jan 2026
  5. Decided - Granted6/2021/1737/HOUSE

    Erection of a side roof extension and dormer extension with rooflights, adjust layout to create fifth bedroom

    24 The Meadway Cuffley Potters Bar EN6 4ES

    Received 2 Jun 2021
  6. Appeal Decided - Dismissed6/2018/2586/ADV

    Retention of 1x Fascia LED Externally Illuminated static sign board

    95 Bradmore Green Brookmans Park Hatfield AL9 7QT

    Received 5 Oct 2018
  7. Decided - GrantedS6/2015/1185/FP

    Internal alteration to existing accommodation and insertion of windows and replacing roof

    Nyn Manor Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 3 Jun 2015
  8. Decided - Granted6/2015/1606/FULL

    Replacement of enclosure to rear walkways at first and second floors

    Woodhall House, Cole Green Lane, Welwyn Garden City, AL7 3PU

    Received 29 Jul 2015
  9. Decided - Granted6/2021/0196/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 2.80m in height and 2.50m to the eaves

    2 Robins Way Hatfield AL10 9QG

    Received 21 Jan 2021
  10. Decided - Granted6/2021/3048/COND

    Submission of details pursuant to condition 4 (external materials) on planning permission 6/2019/2782/VAR

    Land adjacent to the Porsche Garage Hatfield House Hatfield Hatfield Business Park AL10 9UA

    Received 25 Oct 2021
  11. Decided - Granted6/2025/0516/HOUSE

    Alterations to the fenestration to the rear elevation and internal alterations

    37 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 19 Mar 2025
  12. Decided - Granted6/2018/2144/EM

    Erection of single storey rear extension and store, following the demolition of existing shed

    59 Marsden Road Welwyn Garden City AL8 6YH

    Received 17 Aug 2018
  13. Decided - Granted6/2025/0772/COND

    Submission of details pursuant to Condition 4 (external materials) on planning permission 6/2023/1898/FULL

    58 Harmer Green Lane Digswell Welwyn AL6 0AW

    Received 24 Apr 2025
  14. Decided - Granted6/2016/1770/TPO

    Reduce Horse Chestnut tree located in front garden by 3m in height and 2m in width - Conservation Area

    2 Turmore Dale, Welwyn Garden City, AL8 6HS

    Received 16 Aug 2016
  15. Decided - Granted6/2019/1098/LB

    Erection of a single storey side extension to provide new trade kitchen, external alterations, air conditioning unit, expansion of patio, alterations to car park layout and alterations to the barn.

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 7 May 2019
  16. Decided - Granted6/2021/3319/FULL

    Erection of a detached 2 x bed dwelling following demolition of rear garages.

    2 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 24 Nov 2021
  17. Decided - Granted6/2021/2181/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.15m in height, 3m to the eaves.

    35 Holme Road Hatfield AL10 9LH

    Received 19 Jul 2021
  18. Decided - Refused6/2020/1701/TPO

    Fell 1 x Oak tree (TPO 738 2018) to rear to be replaced with 1 x Oak elsewhere in the garden.

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 14 Jul 2020
  19. Decided - Granted6/2021/3333/HOUSE

    Part two-storey extension, part single storey rear and single storey side/rear extension following the removal of the existing garage.

    22 Rooks Hill Welwyn Garden City AL8 6ET

    Received 25 Nov 2021
  20. Decided - Refused6/2017/1409/FULL

    Erection of a 6 x bedroom house following demolition of existing dwelling

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 28 Jun 2017
  21. Decided - Granted6/2021/0152/LAWP

    Certificate of lawfulness for erection of an outbuilding within the rear garden and new fence.

    12 Woodland Way Welwyn AL6 0RZ

    Received 19 Jan 2021
  22. Decided - Granted6/2022/2125/EM

    Replacement of existing shed with a larger building

    39 Beechfield Road Welwyn Garden City AL7 3RG

    Received 13 Sept 2022
  23. Decided - GrantedW6/2014/1499/TE

    Removal of 20 Leyland Cypress Conifer trees and one Ash tree

    1 Coneydale, Welwyn Garden City, AL8 7RX

    Received 1 Jul 2014
  24. Decided - Granted6/2016/0165/HOUSE

    Proposed garage conversion to include removal of the front garage door, partially infill the opening with matching brickwork and install a new matching window

    7 Oaken Grove, Welwyn Garden City, AL7 4FD

    Received 2 Feb 2016

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

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    Planning application documents: what to read first

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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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