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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - AllowedW6/2008/2464/EM

    ERECTION OF TWO STOREY REAR EXTENSION, ERECTION OF PARAPET WALL AND INSERTION OF WINDOW

    326 Knightsfield Welwyn Garden City AL8 7NQ

    Received 19 Dec 2008
  2. Decided6/2019/0979/EM

    Fell 1 x Leyland Cypress

    22 Homestead Court Welwyn Garden City AL7 4LY

    Received 23 Apr 2019
  3. Decided - Granted6/2023/2153/EM

    Installation of solar panels

    15 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 23 Oct 2023
  4. Decided - Granted6/2026/0532/TPO

    T1 2 3 and 4 cedar remove any major dead wood cut back branches overhanging property and garage by a maximum of 1.5M T5 pine reduce some of the weight from overhang road side approximately 2M T6 malus reduce back to previous points approximately 2M T7 Silver birch reduce back to previous points TPO224

    1 Hanyards Lane Cuffley Potters Bar EN6 4AS

    Received 23 Mar 2026
  5. Decided - Granted6/2022/1817/HOUSE

    Erection of single storey rear extension with roof lights and permeable block paving to existing driveway

    7 Boundary Lane Welwyn Garden City AL7 4EA

    Received 3 Aug 2022
  6. Decided - Refused6/2018/1451/HOUSE

    Erection of first floor extension

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 30 May 2018
  7. Decided - GrantedN6/2015/0498/DS

    Approval of details reserved by condition 9 (phasing), condition 10 (highway works) and condition 19 (buffer zone) on planning permission N6/2012/1778/OP

    The Frythe, 5 Digswell Hill, Welwyn, AL6 9AR

    Received 9 Mar 2015
  8. Decided - Refused6/2022/0357/FULL

    Change of use for the storage space over a block of garages to a one-bedroom flat with no external alterations

    Marlborough Court Green Close Brookmans Park Hatfield AL9 7ST

    Received 15 Feb 2022
  9. Decided - Granted6/2017/2709/HOUSE

    Erection of a single storey rear conservatory - retrospective

    8 Hammond Close Welwyn AL6 9FH

    Received 21 Nov 2017
  10. Decided - Granted6/2015/2578/TPO

    Crown reduce two ash trees and one chestnut tree by 30% and fell Sycamore tree covered by TPO504 W1

    Land to the rear of 29 Newgate Street Village, Hertford, SG13 8RA

    Received 20 Jul 2015
  11. Decided - GrantedW6/2007/1201/EM

    INSERTION OF ROOFLIGHT TO REAR ELEVATION

    52 Parkway, Welwyn Garden City, AL8 6HH

    Received 8 Aug 2007
  12. Decided - GrantedN6/2007/1853/FP

    REPLACEMENT OF EXISTING FLAT ROOF WITH PITCHED ROOF OVER DOUBLE GARAGE

    19 Briary Wood Lane Welwyn AL6 0TE

    Received 29 Nov 2007
  13. Appeal Decided - DismissedN6/2008/1939/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY SIDE & REAR EXTENSION

    1 PARKFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EE

    Received 9 Oct 2008
  14. Decided - Granted6/2025/1535/EMT

    Fell 1 x silver birch.

    23 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 16 Jul 2025
  15. Decided6/2026/0292/TC

    1 x Cotoneaster to reduce height and width approximately back to near previous pruning points (approx 2.5m height & 1.5m width). 1 x Laurel to reduce approximately back to near previous pruning points (approx 2.5m height, trim sides in hard).

    14 Little Dell Welwyn Garden City AL8 7HZ

    Received 19 Feb 2026
  16. Decided - Granted6/2023/1429/EMT

    Fell 4 laburnam trees and 1 field maple to side of property on shared boundary due to poor health

    81 Handside Lane Welwyn Garden City AL8 6SH

    Received 10 Jul 2023
  17. Decided - Refused6/2023/0996/EMT

    1 x Silver birch to reduce by 4m in height and 2m in width

    222 Handside Lane Welwyn Garden City AL8 6TD

    Received 10 May 2023
  18. Decided - Granted6/2019/0766/EM

    Extension of garden shed with trellis planted climbers

    18 Kirklands Welwyn Garden City AL8 7RD

    Received 1 Apr 2019
  19. Decided - Granted6/2018/1738/TPO

    Pollard and shape back 2 x Oak trees by 30 % covered by TPO 24 A3

    9 Scarff Close Welwyn AL6 0SZ

    Received 2 Jul 2018
  20. Decided - Granted6/2021/1239/LAWP

    Certificate of lawfulness for the erection of a side extension, a porch and an outbuilding

    106 Harmer Green Lane Digswell Welwyn AL6 0ET

    Received 16 Apr 2021
  21. Decided - Granted6/2023/0644/EM

    Installation of heat pump

    24 Reddings Welwyn Garden City AL8 7LA

    Received 22 Mar 2023
  22. Decided - GrantedN6/2007/0488/CA

    DEMOLITION OF 58 GARAGES.

    LAND AT, CAMPUS EAST CAR PARK, COLLEGE WAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AE

    Received 22 Mar 2007
  23. Decided - Refused6/2016/1442/HOUSE

    Erection of two storey rear extension

    5 Guessens Road, Welwyn Garden City, AL8 6QW

    Received 14 Jul 2016
  24. Decided - Granted6/2023/0241/COND

    Submission of details pursuant to condition number 4 (Construction Environment Management Plan (CEMP)), on planning permission S6/2015/1342/PP

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 31 Jan 2023

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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