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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
29,458Searchable applications
307Recorded as pending
87%Approval rate · 24,453 approved or refused records
3,259Refused applications

21,194 approved · 3,259 refused · 1,568 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2022/2645/LAWP

    Certificate of lawfulness for hip to gable conversion, rear dormer, three front rooflights and one first floor side elevation window

    121 Crawford Road Hatfield AL10 0PF

    Received 21 Nov 2022
  2. Decided - Granted6/2017/1568/MAJ

    Erection of 38 apartments

    Rank Xerox Technical Centre Bessemer Road Welwyn Garden City AL7 1HE

    Received 18 Jul 2017
  3. Decided - Refused6/2018/3274/LAWP

    Certificate of lawfulness for formation of hardstanding and formation of new dropped kerb on a unclassified road

    9-13 Woodfield Road Welwyn Garden City AL7 1JQ

    Received 27 Dec 2018
  4. Decided - Granted6/2019/1686/EM

    Installation of air conditioning

    36 Parkway Welwyn Garden City AL8 6HQ

    Received 2 Jul 2019
  5. Decided - Granted6/2025/0107/EM

    Replacement of existing conservatory

    138 Oakdale Welwyn Garden City AL8 7QX

    Received 22 Jan 2025
  6. Decided - GrantedS6/2014/1118/FP

    Erection of two storey rear extension and roof alterations to include installation of two side dormers.

    57 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BX

    Received 16 May 2014
  7. Decided - GrantedN6/2014/2715/MA

    Demolition of existing office building (B1a) and change of use to, and erection of, part two, three and four storey Residential Institution (Care Home-C2) for 83 residents with associated car parking and landscaping

    Broadwater House Broadwater Road Welwyn Garden City AL7 3AX

    Received 17 Dec 2014
  8. Decided - Granted6/2018/2515/EM

    Formation of hardstanding

    15 Marsden Green Welwyn Garden City AL8 6YD

    Received 28 Sept 2018
  9. Decided6/2026/0472/TC

    Replace damaged Cherry Tree with a new Cherry Tree

    Lower Meadow Hill Farm Lane Ayot St Lawrence AL6 9BW

    Received 16 Mar 2026
  10. Decided - Refused6/2021/2749/HOUSE

    Erection of a two storey side extension, part single storey rear extension, and front porch

    30 Homewood Avenue Cuffley Potters Bar EN6 4QR

    Received 22 Sept 2021
  11. Decided - Granted6/2024/1102/COND

    Submission of details pursuant to Condition 1(Construction Environmental Management), Condition 5 (Fire Hydrants), Condition 7 (Landscape & Ecology Management) on planning permission 6/2023/0994/VAR

    Land between The Manor House and Whitehall Field Cottage Essendon Hill Essendon AL9 6AJ

    Received 14 Jun 2024
  12. Decided - Granted6/2019/3233/HOUSE

    Erection of two storey front extension, first floor side extension and two rear extension with first floor roof terraces

    43 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 24 Dec 2019
  13. Decided - Withdrawn6/2023/1936/EMT

    Reduce oak tree by 50% to front of property

    368 Knightsfield Welwyn Garden City AL8 7NG

    Received 19 Sept 2023
  14. Decided - Granted6/2016/0308/FULL

    Erection of single storey extension to form exercise corridor

    8 Manor Parade, Hatfield, AL10 9JS

    Received 23 Feb 2016
  15. Decided - GrantedN6/2014/0609/FP

    Demolition of existing outbuilding and erection of single storey rear extension

    7 Mimram Road Welwyn AL6 9HA

    Received 24 Mar 2014
  16. Decided - Granted6/2025/1905/EMT

    Reduce 1 x Leyland cypress hedge to reduce by around 10ft in height

    28 Turmore Dale Welwyn Garden City AL8 6HS

    Received 4 Sept 2025
  17. Decided - Refused6/2025/1668/HOUSE

    Erection of a part two-storey front extension, single-storey and two-storey rear extensions, installation of a new roof to accommodate habitable rooms within the loft space, construction of a detached outbuilding for use ancillary to the main dwellinghouse, demolition of an existing rear garden room and replacement with a smaller pool room formation of a rear patio, and alterations to the front driveway following the demolition of part of the existing single-storey front integral garage and single-storey rear extension including conservatory

    2 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 4 Aug 2025
  18. Decided - Granted6/2020/1603/TPO

    Reduce 1xT1 (TPO 671) oak tree by 5m

    Rivendell 13C Oaklands Rise Welwyn AL6 0RN

    Received 6 Jul 2020
  19. Decided - Granted6/2021/0759/TPO

    Reduce Hornbeam (T1) by 30%

    16 Oak Piece Welwyn AL6 0XE

    Received 9 Mar 2021
  20. Decided - Granted6/2026/0717/COND

    Submission of details pursuant to Condition 16 (Hard & Soft Landscape Works), condition 18 (External lighting schemes) on planning permission 6/2020/2268/MAJ allowed under appeal APP/C1950/W/21/3284525

    73 Bridge Road East Welwyn Garden City AL7 1UT

    Received 23 Apr 2026
  21. Decided - Granted6/2017/0757/HOUSE

    Erection of a front porch with the installation of 1 rooflight

    43 Cranfield Crescent Cuffley Potters Bar EN6 4DZ

    Received 13 Apr 2017
  22. Decided - Granted6/2021/3028/HOUSE

    Erection of a first floor side/rear extension

    40 Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 21 Oct 2021
  23. Decided - Granted6/2022/2790/COND

    Submission of details pursuant to condition 5 (hard and soft landscape) on planning permission 6/2019/1618/FULL

    Land and Garages at The Commons Welwyn Garden City AL7 4RP

    Received 8 Dec 2022
  24. Decided - Granted6/2018/2635/EM

    Fell 1 x Conifer tree

    26 Melbourne Court Welwyn Garden City AL8 6LL

    Received 15 Oct 2018

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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