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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
35,025Searchable applications
313Recorded as pending
87%Approval rate · 29,167 approved or refused records
3,894Refused applications

25,273 approved · 3,894 refused · 1,825 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/2693/LAWP

    Certificate of Lawfulness for the conversion of roof to bedroom and rear extension

    138 Knella Road Welwyn Garden City AL7 3NJ

    Received 19 Dec 2016
  2. Decided - GrantedW6/2014/0728/EM

    Solar panels to rear roof slope following removal of existing front and rear roof slope solar panels

    7 Valley Road, Welwyn Garden City, AL8 7DG

    Received 7 Apr 2014
  3. Decided - GrantedW6/2013/1854/TE

    Reduce trunk and heavy laterals by 25% and fell Common Fir tree

    11 Meadow Green, WELWYN GARDEN CITY, AL8 6SS

    Received 20 Aug 2013
  4. Decided6/2023/1696/TC

    Fell elderberry tree to ground level.

    36 Sheepcote Welwyn Garden City AL7 4QD

    Received 14 Aug 2023
  5. Decided - Granted6/2026/0641/TPO

    T1 – Oak – height 15m – spread 12m – w3w aims.dime.into Requested works: 1m Reduction of entire tree, removing all deadwood. Reasons for works: Tree is in proximity to public footpath, used by local school children. Light and space is also obstructed to front of property TPO 972 (2022) T1

    Oakview 103 Brookmans Avenue Brookmans Park AL9 7QG

    Received 10 Apr 2026
  6. Decided6/2019/2441/TC

    Reduce 1 x Hawthorn by 1.5m height & width

    116 Parkway Welwyn Garden City AL8 6HN

    Received 2 Oct 2019
  7. Decided6/2018/1675/TPO

    Fell 3 x Fir trees - conservation area

    42 Valley Road Welwyn Garden City AL8 7DN

    Received 25 Jun 2018
  8. Decided - RefusedS6/2014/1762/LUP

    Certificate of lawfulness for loft conversion with rear dormer

    31 Homewood Avenue, Cuffley, Potters Bar, EN6 4QQ

    Received 5 Aug 2014
  9. Decided - GrantedW6/2014/1505/TE

    Reduce cherry tree back to previous pruning points and reduce laurel hedge by 50%

    28 Marsden Green, Welwyn Garden City, AL8 6YA

    Received 7 Jul 2014
  10. Decided - Granted6/2020/2537/HOUSE

    Erection of a rear extension (inc PVCU replica tiled roof).

    1 New Place Welwyn AL6 9QA

    Received 1 Oct 2020
  11. Decided6/2022/0215/TC

    1 x Beech to reduce by approximately 1.5m height and 3m width.

    4 Mannicotts Welwyn Garden City AL8 7BW

    Received 31 Jan 2022
  12. Decided - Granted6/2022/2416/HOUSE

    Extension of rear dormer

    11 Turpins Chase Welwyn AL6 0QZ

    Received 18 Oct 2022
  13. Decided - Granted6/2025/0713/HOUSE

    Erection of a single storey side extension following demolition of existing conservatory

    1 Oaklands Wood Hatfield AL10 8LU

    Received 14 Apr 2025
  14. Decided - Withdrawn6/2016/0403/EM

    Erection of a rear ground floor conservatory

    7 Sunningdale Mews, Welwyn Garden City, AL7 1UP

    Received 29 Feb 2016
  15. Decided - Granted6/2026/0252/VAR

    Variation of Condition 2 (External Materials) on planning permission 6/2025/2071/VAR

    Land & Buildings on the West side of Travellers Lane Welham Green Hatfield AL9 7HF

    Received 12 Feb 2026
  16. Decided - Granted6/2016/1584/EM

    Formation of driveway

    24 Russellcroft Road, Welwyn Garden City, AL8 6QU

    Received 2 Aug 2016
  17. Decided - Granted6/2022/0264/LAWP

    Certificate of lawfulness for erection of single storey rear extension

    2 Thrush Avenue Hatfield AL10 8QU

    Received 7 Feb 2022
  18. Decided - Withdrawn6/2019/1809/EM

    Replacement of fence panels with brick wall

    10 Dognell Green Welwyn Garden City AL8 7BL

    Received 23 Jul 2019
  19. Decided - GrantedW6/2013/0265/TE

    Removal of Leylandii tree

    14 Brockswood Lane, WELWYN GARDEN CITY, AL8 7BG

    Received 6 Feb 2013
  20. Decided - GrantedN6/2013/2384/TP

    Crown thin by 10% Oak T1 covered by TPO 432

    5 Reddings, Welwyn Garden City, AL8 7LA

    Received 12 Nov 2013
  21. Decided6/2025/0578/TC

    T1 Silver birch fell to ground level due to severe dieback in crown and fungus around base of tree.

    23 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 26 Mar 2025
  22. Decided - Granted6/2025/1767/EMT

    T1 removal of conifer tree.

    16 High Oaks Road Welwyn Garden City AL8 7BH

    Received 19 Aug 2025
  23. Decided - Granted6/2024/0233/HOUSE

    Erection of single storey rear extension, part single, part two storey side extensions, two storey extension front elevation and alterations to the fenestration

    53 Homewood Avenue Cuffley Potters Bar EN6 4QQ

    Received 5 Feb 2024
  24. Decided - GrantedS6/2009/0027/FP

    ERECTION OF NEW FIVE BEDROOM DWELLING, FOLLOWING PART DEMOLITION OF EXISTING

    VIXENDELL, LANE END, HATFIELD, HERTFORDSHIRE, AL10 9AG

    Received 6 Jan 2009

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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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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