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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - RefusedN6/2015/0816/LUP

    Certificate of lawfulness for single storey rear extension

    43 Hollybush Lane, Welwyn Garden City, AL7 4JH

    Received 15 Apr 2015
  2. Decided6/2021/0282/TC

    Fell 1 x Spruce tree, reduce 1 x Spruce tree by 30%, fell 1 x Holly tree covered by conservation area

    26 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 1 Feb 2021
  3. Decided - Granted6/2020/1936/COND

    Submission of details pursuant to Condition 13, (arrangements for the delivery of accessible housing for each phase or block) on planning permission 6/2019/1067/MAJ

    Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

    Received 5 Aug 2020
  4. Decided - Withdrawn6/2025/0628/FULL

    Erection of a detached two-storey building compromising 2 x 2 bedroom flats

    60 Sir John Newsom Way Welwyn Garden City AL7 4FL

    Received 1 Apr 2025
  5. Decided - Granted6/2025/0161/HOUSE

    Erection of part single and part two storey side extension and alterations to existing fenestration

    13 Selwyn Crescent Hatfield AL10 9NL

    Received 30 Jan 2025
  6. Decided - Granted6/2018/2748/LAWP

    Certificate of lawfulness for the erection of an outbuilding

    47 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 25 Oct 2018
  7. Decided6/2023/0762/TC

    Four lime trees to repollard back to previous pruning points (and not beyond). Also, to remove the lowest branch on the southwest aspect of the tree due to presence of decay on trees T1 and T3 (with T1 standing on eastern end sequentially through T4 on western end).

    10 Dognell Green Welwyn Garden City AL8 7BL

    Received 5 Apr 2023
  8. Decided - Granted6/2016/2584/EM

    Replacement and enlargement of existing window (ground floor front elevation).

    17 Great Break Welwyn Garden City AL7 3EZ

    Received 5 Dec 2016
  9. Decided - Granted6/2021/2714/VAR

    Variation of condition 1 (external matching materials) on planning permission 6/2021/0264/HOUSE

    20 Westland Drive Brookmans Park Hatfield AL9 7UQ

    Received 20 Sept 2021
  10. Decided - Granted6/2017/2075/LAWE

    Certificate of lawfulness for the existing use of The Lodge as A Class C3 (Dwelling House)

    17 Newgate Street Village Hertford SG13 8RA

    Received 15 Sept 2017
  11. Decided - Granted6/2026/0865/FULL

    Installation of 1 no. new communications Kiosk with integrated defibrillator and advertising display

    Land Outside 92 Town Centre Hatfield AL10 0JW

    Received 3 Jun 2026
  12. Decided - GrantedS6/2009/0995/LB

    INSTALLATION OF TWO REPLACEMENT LOGO SIGNS

    THE LISTED HANGAR, MOSQUITO WAY, HATFIELD, HERTFORDSHIRE, AL10 9AX

    Received 11 May 2009
  13. Appeal Decided - Dismissed6/2021/1644/HOUSE

    Demolition of one bedroom annex and erection of replacement one bedroom residential annex. Partial demolition of stables building, removal of shipping containers, builders yard, equipment and materials, and reduction in area of hard standing.

    Garden Cottage Danesbury Park Road Welwyn AL6 9SE

    Received 24 May 2021
  14. Decided - GrantedS6/2004/1021/FP

    ERECTION OF REAR CONSERVATORY

    2 Bluebridge Avenue Brookmans Park Hatfield AL9 7RZ

    Received 6 Jul 2004
  15. Decided - Granted6/2019/1479/FULL

    Retention of loft conversion to habitable space including installation of rear pitched roof dormers, 2 x front velux windows and front porch canopies

    7 Ground Lane Hatfield AL10 0HJ

    Received 19 Jun 2019
  16. Decided - GrantedW6/2014/0076/EM

    Erection of single storey rear extension

    21 Golden Dell, Welwyn Garden City, AL7 4EE

    Received 13 Jan 2014
  17. Decided - Granted6/2015/2434/EM

    Erection of single storey front garage extension, garage conversion, single storey and two storey rear extension

    2 Lytton Gardens, Welwyn Garden City, AL8 6EG

    Received 2 Dec 2015
  18. Decided - GrantedN6/2014/1570/LUP

    Certificate of lawfulness for proposed erection of single storey side extension and alterations to existing conservatory

    10 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 10 Jul 2014
  19. Decided - Granted6/2016/0664/TPO

    Reduce Oak tree by 20% - Conservation Area

    35 Parkside Welwyn AL6 9DQ

    Received 12 Apr 2016
  20. Decided - Refused6/2026/0993/LAWP

    Certificate of lawfulness for erection of an outbuilding (summer house)

    57 Tolmers Road Cuffley Potters Bar EN6 4JG

    Received 5 Jun 2026
  21. Decided - GrantedN6/2013/1692/TC

    Removal of Christmas Conifer tree

    2 The Quadrangle, Welwyn Garden City, AL8 6SG

    Received 9 Aug 2013
  22. Decided - Granted6/2024/0164/FULL

    Existing door and louvre to be replaced with full height louver for ASHP intake and ducted discharge. Existing louvre to be replaced within existing opening

    The Howard Centre Units 28-29 Howardsgate Welwyn Garden City AL8 6HA

    Received 29 Jan 2024
  23. Decided - Refused6/2026/0738/HOUSE

    Erection of two storey side extension following the demolition of previous single storey side extension

    21 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

    Received 27 Apr 2026
  24. Decided - GrantedC6/1988/0817/FP

    Single storey side extension to form garage and dining room

    43 Newfields, Welwyn Garden City, AL8 6YS

    Received 1 Jan 1988

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

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How to search planning applications

Guides to planning records

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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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