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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/0574/FP

    Erection of single storey and two storey rear extensions

    137 Ludwick Way, WELWYN GARDEN CITY, AL7 3PN

    Received 15 Mar 2013
  2. Decided - Granted6/2021/1996/FULL

    Removal of 15m high street furniture style monopole incorporating 3No. antennas, 1No. cabinet and all ancillary development. Installation of 20m high street furniture style monopole incorporating 3No. antennas (Grey BS00A05) and all ancillary development

    Telecommunications site Cole Green Lane Welwyn Garden City AL7 3PN

    Received 1 Jul 2021
  3. Decided - Granted6/2026/0188/LAWP

    Certificate of lawfulness for the erection of a freestanding pergola in the rear garden measuring approximately 5.0 metres by 3.0 metres, with a maximum overall height of 2.5 metres

    20 Coronation Avenue Cuffley Potters Bar EN6 4FH

    Received 3 Feb 2026
  4. Decided - Granted6/2024/0615/LAWP

    Certificate of lawfulness for the erection of rear conservatory/extension

    18 Horsa Gardens Hatfield AL10 9GF

    Received 2 Apr 2024
  5. Decided - Granted6/2020/0507/LAWP

    Certificate of lawfulness for the installation of windows to facilitate conversion of garage into habitable space and alterations to fenestration

    84 Broomhills Welwyn Garden City AL7 1RD

    Received 21 Feb 2020
  6. Decided - Refused6/2019/2584/EM

    Erection of single storey side extension, formation of hardstanding and alterations to fenestration

    52 Rosedale Welwyn Garden City AL7 1DR

    Received 11 Oct 2019
  7. Appeal Decided - Dismissed6/2017/2468/HOUSE

    Erection of two storey rear extension, roof enlargement/alteration and rear balcony.

    13 New Park Road Newgate Street Hertford SG13 8RD

    Received 25 Oct 2017
  8. Decided - GrantedS6/2004/0045/FP

    CONSTRUCTION OF HARD SURFACE AREA FOR RECREATION USE AND ERECTION OF 1.8M HIGH FENCING

    St Johns Youth Centre Bishops Rise Hatfield AL10 9BZ

    Received 12 Jan 2004
  9. Decided - Granted6/2020/2616/FULL

    Erection of stable block

    Mymwood Paddocks Kentish Lane Brookman Park Hertfordshire AL6 9NG

    Received 9 Oct 2020
  10. Decided - Refused6/2017/2060/HOUSE

    Erection of single storey rear extension and installation of new patio

    13 Moorend Welwyn Garden City AL7 4QL

    Received 14 Sept 2017
  11. Decided - Granted6/2017/2757/LAWP

    Certificate of Lawfulness for the erection of single storey rear extension, installation of rear dormer and 3x front roof lights to facilitate loft conversion

    59 Great Ley Welwyn Garden City AL7 4TJ

    Received 27 Nov 2017
  12. Decided - Granted6/2018/0932/COND

    Submission of details pursuant to condition 1 (material samples), 2 (proposed crown roof) & 3 (hard and soft landscape works) on planning permission 6/2017/2691/HOUSE

    10 Tolmers Avenue Cuffley Potters Bar EN6 4QE

    Received 5 Apr 2018
  13. Decided - GrantedN6/2014/1547/FP

    Erection of single storey rear extension

    15 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 10 Jul 2014
  14. Decided - Granted6/2016/2186/COND

    Approval of details reserved by condition 3 (Materials), condition 4 (Hard and Soft Landscaping) and condition 5 (Construction Method Statement) on planning permission N6/2013/2535/FP

    14 Chestnut Walk Welwyn AL6 0SB

    Received 18 Oct 2016
  15. Decided - Granted6/2018/1002/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    27 Mardley Wood Welwyn AL6 0UY

    Received 17 Apr 2018
  16. Decided - GrantedN6/2014/1577/FP

    Erection of part single and part two storey rear extension

    6 Drycroft, Welwyn Garden City, AL7 4DH

    Received 14 Jul 2014
  17. Decided - Refused6/2024/0932/HOUSE

    Formation of pitched roof to replace existing flat sloped roof

    25 Willow Way Hatfield AL10 9QD

    Received 20 May 2024
  18. Decided - Granted6/2017/0619/EM

    Installation of double glazed windows to replace existing

    81 Handside Lane Welwyn Garden City AL8 6SH

    Received 22 Mar 2017
  19. Decided - Granted6/2017/1481/EM

    Removal of Accacia tree

    34 Valley Road Welwyn Garden City AL8 7DN

    Received 3 Jul 2017
  20. Decided - Granted6/2019/1797/HOUSE

    Erection of single storey front and rear extension, raising roof level and installation of dormer

    39 Reddings Welwyn Garden City AL8 7LA

    Received 22 Jul 2019
  21. Decided - Withdrawn6/2025/1725/LAWP

    Certificate of lawfulness for single storey rear extension

    29 Hawkshead Lane North Mymms AL9 7TD

    Received 13 Aug 2025
  22. Decided - Granted6/2022/2012/HOUSE

    Erection of single storey rear extension

    56 Attimore Road Welwyn Garden City AL8 6LP

    Received 30 Aug 2022
  23. Decided - RefusedN6/2013/2207/FP

    Erection of two storey side and rear extensions and alterations to front and side elevations

    59 Blakemere Road, Welwyn Garden City, AL8 7PQ

    Received 21 Oct 2013
  24. Decided - GrantedN6/2013/2028/TC

    Reduce Silver Birch tree by 20%

    49 Marsden Road, WELWYN GARDEN CITY, AL8 6YQ

    Received 12 Sept 2013

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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 permission drawings: how to read plans

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    Planning approval rates: how to read council statistics

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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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