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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
30,751Searchable applications
303Recorded as pending
87%Approval rate · 25,603 approved or refused records
3,367Refused applications

22,236 approved · 3,367 refused · 1,637 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1468/HOUSE

    Erection of two storey side/rear extension, single storey rear extension, replacement roof with side and rear dormers to facilitate the conversion of the loft to habitable space.

    125 Moffats Lane Hatfield AL9 7RP

    Received 22 Jun 2020
  2. Decided - Granted6/2026/0783/COND

    Submission of details pursuant to condition number 1 (crown roof) on planning permission 6/2025/0250/HOUSE

    25 Kingswell Ride Cuffley Potters Bar EN6 4LH

    Received 5 May 2026
  3. Decided - Granted6/2024/1193/HOUSE

    Erection of front porch canopy

    27 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 26 Jun 2024
  4. Decided - Granted6/2018/0142/FULL

    Erection of part two storey, part single storey dwelling house following demolition of existing house

    7 Georges Wood Road Brookmans Park Hatfield AL9 7BY

    Received 16 Jan 2018
  5. Decided - Granted6/2018/2205/COND

    Submission of details pursuant to condition 1 (Material Samples) and 3 (Tree protection measures and landscape) on planning application 6/2018/0178/HOUSE

    34 Briars Lane Hatfield AL10 8ET

    Received 22 Aug 2018
  6. Decided - Refused6/2023/1324/FULL

    Erection of three storey side extension for conversion to 3 flats

    16 Comet Road Hatfield AL10 0SX

    Received 26 Jun 2023
  7. Decided6/2023/1374/TC

    Fell Ash tree 1, as marked on the treesketch, in rear garden due to Ash dieback

    17 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 3 Jul 2023
  8. Decided - Withdrawn6/2018/0802/HOUSE

    Erection of a two storey rear and side extension on both sides, as well as a new roof structure.

    42 Bradmore Way Brookmans Park Hatfield AL9 7QX

    Received 26 Mar 2018
  9. Decided - Granted6/2019/2121/EM

    Replacement and enlargement of hardstanding

    3 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 27 Aug 2019
  10. Decided - Granted6/2020/0100/EM

    Reduce crown 3x Cherry plum trees to 25' (T3) 18' (T6) and 20' (T8) Reduce crown 3x Sycamore tree to 18' (T4, T5 and T7) Reduce 1x Cherry tree to 16' (T9) Reshape 1x Willow tree (T10) Fell 1x Sycamore tree (T2)

    48 Elmwood Welwyn Garden City AL8 6LE

    Received 15 Jan 2020
  11. Decided - GrantedN6/2013/1464/OR

    Prior approval for change of use of part first and second floors of office building (Use Class B1a) to 2 x 1 bed units (Use Class C3)

    York House, Howardsgate, Welwyn Garden City, AL8 6PL

    Received 16 Jul 2013
  12. Decided - GrantedN6/2014/0099/FP

    Replacement of existing frames and roof of rear orangery

    4 Cypress Avenue, Welwyn Garden City, AL7 1HN

    Received 21 Jan 2014
  13. Decided6/2020/3086/TC

    4 x English Yews (T1-4) reduce by 2m because they are blocking light to neighbouring houses.

    Parkside House 58 Mill Lane Welwyn AL6 9ES

    Received 20 Nov 2020
  14. Decided - GrantedS6/2015/0804/LUP

    Certificate of lawfulness for proposed installation of a rear dormer and two rooflights to front roofslope

    64 Bull Stag Green Hatfield AL9 5DE

    Received 10 Apr 2015
  15. Decided - Granted6/2023/0915/COND

    Submission of details pursuant to the discharge of condition 1 (Trees), condition 3 (Construction Management Plan), condition 4 (Energy Statement), condition 6 (Hard & Soft Landscaping) on planning permission 6/2022/1593/FULL

    16 Bell Lane Brookmans Park AL9 7AY

    Received 28 Apr 2023
  16. Decided - Granted6/2021/1415/EMT

    Triple stemmed oak - reduce by 50%

    127 The Commons Welwyn Garden City AL7 4RZ

    Received 5 May 2021
  17. Decided - Granted6/2021/2101/HOUSE

    Erection of a single storey rear extension

    15 West Mead Welwyn Garden City AL7 4SA

    Received 12 Jul 2021
  18. Decided - Granted6/2017/2256/HOUSE

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

    1 The Valley Green Welwyn Garden City AL8 7DQ

    Received 27 Sept 2017
  19. Decided - Granted6/2022/2489/HOUSE

    Erection of part two storey, part first floor front extension, single storey front extension, first floor side extension, part first floor, part two storey rear extension, raise roof ridge (to remain below No.14 Starling Lane), width and height of front gable reduced, fenestration alterations and additions and new front elevation with porch

    12 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 31 Oct 2022
  20. Decided - Refused6/2019/0688/PN8

    Prior approval for the erection of single storey rear extension measuring 6m in depth, 3.3m in heights, 3m to the eaves

    58 Briars Lane Hatfield AL10 8ET

    Received 20 Mar 2019
  21. Decided - Granted6/2017/1160/MAJ

    Planning permission for 6 x 1-bedroom and 10 x 2-bedroom apartments in the Eastern building (Plots 197-212), 5 x 1-bedroom and 9 x 2-bedroom apartments in the Western building (Plots 214-226) and associated parking and refuse storage

    Former The Frythe 5 Digswell Hill Welwyn AL6 9AR

    Received 26 May 2017
  22. Decided - Granted6/2017/0249/HOUSE

    Erection of part single storey front and rear extensions to form two porches, alterations to existing roof and openings.

    60 The Ryde Hatfield AL9 5DL

    Received 10 Feb 2017
  23. Decided - Granted6/2021/3527/EMT

    1 x Holly to reduce by 1.5m height & 1m width to maintain size of the tree and create more light into the garden

    20 Walden Place Welwyn Garden City AL8 7PG

    Received 21 Dec 2021
  24. Decided - Withdrawn6/2016/2462/HOUSE

    Erection of single storey front and double storey rear extensions

    11 Elm Drive Hatfield AL10 8NR

    Received 21 Nov 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

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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