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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
30,875Searchable applications
303Recorded as pending
87%Approval rate · 25,713 approved or refused records
3,380Refused applications

22,333 approved · 3,380 refused · 1,644 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0588/COND

    Submission of details pursuant to condition 4 (Materials) & 5 (Construction Method Statement) attached to planning permission 6/2016/2441/FULL dated 2 February 2017

    The Rowans Great North Road Hatfield AL9 5DB

    Received 22 Mar 2017
  2. Decided - Refused6/2020/0904/FULL

    Subdivision of existing residential unit and erection of a studio flat following demolition of existing garage

    19 Lark Rise Hatfield AL10 8RN

    Received 20 Apr 2020
  3. Decided - Granted6/2024/1290/HOUSE

    Erection of a single storey rear extension, garage conversion with insertion of rooflights with installation of air conditioning units/ air source heat pump, loft conversion with front and rear facing dormers and insertion of rooflight, alterations to openings, erection of garden outbuilding and pergola, following demolition of existing garden outbuilding

    40 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 8 Jul 2024
  4. Decided - Granted6/2024/0568/LB

    Installation of cap to chimney at the rear of the property to prevent rain ingress

    17A Beehive Green Welwyn Garden City AL7 4BE

    Received 22 Mar 2024
  5. Decided - Refused6/2021/1878/HOUSE

    Erection of a part two storey front extension

    21E Canonsfield Welwyn AL6 0QB

    Received 18 Jun 2021
  6. Decided - GrantedS6/2014/2292/FP

    Installation of pipework to provide a primary distribution heat network

    Lands South East of Northaw Road East (Cattlegate Farm), Cuffley, Potters Bar, EN2 8AU

    Received 17 Oct 2014
  7. Decided - Granted6/2022/2864/COND

    Submission of details pursuant to conditions 3 (Bat nesting boxes details and design) and 4 (Landscaping details) on planning application 6/2020/1902/FULL

    15 The Drive Welwyn Hertfordshire AL6 0TW

    Received 19 Dec 2022
  8. Decided - Granted6/2021/0099/HOUSE

    Erection of part single/part two storey side and rear extension, single storey front extension and alterations to openings

    2D Plough Hill Cuffley Potters Bar EN6 4DR

    Received 13 Jan 2021
  9. Decided - Granted6/2022/2578/TPO

    T1 - English Oak - crown reduce the tree by around 2.5-3m and carry out a crown clean. Tree currently causing shading on lawn and neighbours property.

    18 Bluebells Welwyn AL6 0XD

    Received 11 Nov 2022
  10. Decided - Refused6/2016/0139/EM

    Proposed loft conversion to include rear dormer and velux windows to front

    50 Great Ganett, Welwyn Garden City, AL7 3DE

    Received 26 Jan 2016
  11. Decided - GrantedE6/1948/0194/

    Additions to existing premises

    11 Cole Green Lane Welwyn Garden City

    Received 29 Apr 1948
  12. Decided - Refused6/2020/2394/COND

    Submission of details pursuant to condition 1 (construction management plan) on planning permission 6/2019/1699/FULL

    1 Roe Green Close Hatfield AL10 9PD

    Received 18 Sept 2020
  13. Decided - Granted6/2023/2061/HOUSE

    Erection of a single storey front, side and rear extension, loft conversion, insertion of rooflight to rear roof elevation, alteration to opening to side elevation, garden room, plus new 2 metre high timber fence and new hedging following demolition of the garage

    24 Beehive Lane Welwyn Garden City AL7 4BQ

    Received 10 Oct 2023
  14. Decided6/2020/0667/TC

    Fell 2 x small trees species unknown

    6 Lytton Gardens Welwyn Garden City AL8 6EG

    Received 10 Mar 2020
  15. Decided - Granted6/2018/2021/COND

    Submission of details pursuant to condition 1 (colour of roof light) on planning permission 6/2018/1515/HOUSE

    8 Butterwick Way Welwyn AL6 9GH

    Received 1 Aug 2018
  16. Decided - Refused6/2020/0723/LAWP

    Certificate of lawfulness for the erection of an outbuilding to be used as a fitness studio and adjoining games and sitting room.

    44 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 16 Mar 2020
  17. Decided6/2015/2226/PN8

    Prior approval for the erection of single storey rear extension

    45 Lemsford Lane, Welwyn Garden City, AL8 6YN

    Received 29 Oct 2015
  18. Decided - Withdrawn6/2021/0147/LAWP

    Certificate of Lawfulness for a garage conversion, single storey side and rear infill extensions and removal of hedge to front boundary.

    9 Moorend Welwyn Garden City AL7 4QL

    Received 19 Jan 2021
  19. Appeal Decided - Dismissed6/2018/1363/HOUSE

    Erection of a two storey extension

    12 Longlands Road Welwyn Garden City AL7 3QB

    Received 17 May 2018
  20. Decided - Granted6/2017/2045/EM

    Erection of two storey rear extension, garage conversion to facilitate formation of single storey side extension

    33 Elmwood Welwyn Garden City AL8 6LD

    Received 13 Sept 2017
  21. Decided - GrantedW6/2013/2094/TE

    Removal of overhanging branch on Silver Birch tree

    10 Coneydale, Welwyn Garden City, AL8 7RZ

    Received 19 Sept 2013
  22. Decided - Granted6/2017/2375/EM

    Erection of a single storey rear extension

    45 Golden Dell Welwyn Garden City AL7 4EE

    Received 16 Oct 2017
  23. Decided - Granted6/2022/1048/HOUSE

    Erection of single storey rear extension with insertion of roof lights to proposed and existing roofs

    17 Ground Lane Hatfield Hertfordshire AL10 0HQ

    Received 5 May 2022
  24. Call In/Major Objection6/2026/1549/LAWP

    Certificate of lawfulness for the replacement of an existing gate and fence

    Land and highway access at the north end of Bradmore Way

    Received 7 Sept 2026

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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    Published Updated

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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