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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
22,242Searchable applications
295Recorded as pending
86%Approval rate · 18,065 approved or refused records
2,561Refused applications

15,504 approved · 2,561 refused · 1,147 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1346/COND

    Submission of details pursuant of condition 6 (drainage) on planning permission S6/2015/1342/PP

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 29 Jun 2023
  2. Decided - Refused6/2021/3103/LAWP

    Certificate of lawfulness for conversion of garage to habitable room, single storey and two storey rear extension, and loft conversion with rear dormer and front rooflights

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 29 Oct 2021
  3. Decided - Refused6/2024/2393/HOUSE

    Erection of a single storey front extension, removal of existing flat roof, raising roof and replacing with a new flat roof. Kitchen walls to be removed. Replacement of 4no. windows

    Mill Green 5 Waterside Cottages Bush Hall Lane Hatfield AL9 5NY

    Received 17 Dec 2024
  4. Decided - Withdrawn6/2018/0661/HOUSE

    Erection of a single storey rear extension, installation of 2 x front rooflights and 2 x rear rooflights to facilitate loft conversion

    4 Stacklands Welwyn Garden City AL8 6XW

    Received 8 Mar 2018
  5. Decided - Granted6/2026/1034/COND

    Submission of details pursuant to condition 17 (Accessible and Adaptable Homes) on planning application 6/2021/3422/MAJ

    Salisbury Square Salisbury Square Hatfield AL7 5AD

    Received 12 Jun 2026
  6. Appeal Decided - Dismissed6/2022/0287/HOUSE

    Erection of a first floor rear extension

    69 Maple Grove Welwyn Garden City AL7 1NN

    Received 8 Feb 2022
  7. Decided6/2018/2259/TPO

    Various works to Trees -Conversation area Reduce Crown height 1x Magnolia (T1) by 1 metre and crown thinning by 30% Fell 1x Unknown Species (T2)

    3 Newfields Welwyn Garden City AL8 6YS

    Received 3 Sept 2018
  8. Decided - Refused6/2020/3329/LAWP

    Certificate of lawfulness for demolition of existing conservatory, erection of single storey rear extension and installation of bay window on side elevation

    18 Somersham Welwyn Garden City AL7 2PZ

    Received 11 Dec 2020
  9. Decided - Granted6/2025/1526/COND

    Submission of details pursuant to Condition 4b & 4c (archaeological works) on planning permission 6/2024/1433/MAJ

    Woodlands Well Road Northaw Potters Bar EN6 4BN

    Received 16 Jul 2025
  10. Decided - Refused6/2023/1889/LAWP

    Certificate of lawfulness for the change of use from C3 dwellinghouse to C2 residential institution (childrens home)

    182 Dragon Road Hatfield AL10 9NZ

    Received 12 Sept 2023
  11. Decided - Granted6/2023/1952/EMT

    Re pollard 1 x Poplar tree by 40% back to previous growth points and remove deadwood

    1 Elmwood, Welwyn Garden City, AL8 6LD

    Received 21 Sept 2023
  12. Decided - Granted6/2021/3493/LAWP

    Certificate of lawfulness to replace the existing flat roof, with a new flat roof on existing extension and a pitched parapet wall to the front.

    47 Georges Wood Road Hatfield AL9 7BX

    Received 15 Dec 2021
  13. Decided - Granted6/2018/1639/EM

    Demolition of part of adjoining shed from rear garden

    76 Newfields Welwyn Garden City AL8 6YT

    Received 22 Jun 2018
  14. Decided - Granted6/2017/1703/EM

    Erection of shed in rear garden

    14 Fearnley Road Welwyn Garden City AL8 6HW

    Received 3 Aug 2017
  15. Decided - Granted6/2019/1572/COND

    Submission of details pursuant to condition 4 (Access Details) on planning permission 6/2018/2319/FULL

    13 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 26 Jun 2019
  16. Decided - Granted6/2018/1810/MAJ

    Erection of 16 apartments

    Former Xerox Site Bessemer Road Welwyn Garden City AL7 1HE

    Received 9 Jul 2018
  17. Decided - Granted6/2018/0425/HOUSE

    Erection of a single storey side and rear extension including alterations to parapet wall, lantern and door details

    13 Sweet Briar Welwyn Garden City AL7 3DU

    Received 12 Feb 2018
  18. Decided - Granted6/2022/0946/EM

    Installation of flood barrier to front door

    29 Autumn Grove Welwyn Garden City AL7 4DB

    Received 21 Apr 2022
  19. Decided - Granted6/2018/0314/HOUSE

    Erection of a part first floor rear extension

    83 Cranfield Crescent Cuffley Potters Bar EN6 4DZ

    Received 31 Jan 2018
  20. Decided - Granted6/2026/0795/EM

    Erection of single storey side extension

    8 Dawley Welwyn Garden City AL7 1DZ

    Received 6 May 2026
  21. Decided6/2022/2562/TC

    T1- Maple- Crown reduce all round by 2 metres to maintain size and shape for the area. T2-Cherry- Crown reduce all round by 2 metres to maintain size and shape for the area.

    19 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 9 Nov 2022
  22. Decided - Granted6/2019/0638/COND

    Submission of details pursuant to condition 1 (archaeological) on planning permission 6/2018/2718/HOUSE

    26 High Street Welwyn AL6 9EQ

    Received 18 Mar 2019
  23. Decided - Granted6/2017/1612/HOUSE

    Erection of two storey side and single storey rear infill extension, rear conservatory and alterations to roof to facilitate conversion of garage to habitable space

    1 Hawthorns Welwyn Garden City AL8 7SE

    Received 24 Jul 2017
  24. Decided - Granted6/2023/0192/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    13 Kentish Lane Hatfield AL9 6NG

    Received 26 Jan 2023

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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