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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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. Under Consideration6/2026/1635/HOUSE

    Replace existing boundary fence with 1m brick wall and 1.5m piers and hedge

    5 Old French Horn Lane Hatfield AL10 8AH

    Received 18 Sept 2026
  2. Decided - GrantedN6/2009/2347/TE

    POLLARDING OF SIX LOMBARDY POPLAR TREES

    135 Parkway, Welwyn Garden City, AL8 6JB

    Received 26 Oct 2009
  3. Decided - Granted6/2017/1288/EM

    Formation of driveway and part removal of boundary hedge

    10 Bushey Ley Welwyn Garden City AL7 3HW

    Received 9 Jun 2017
  4. Decided - Granted6/2024/0084/COND

    Submission of details pursuant to condition 1 (Construction Impact Assessment) on planning permission 6/2023/2224/HOUSE

    1 Orchard Road Welwyn AL6 9EX

    Received 12 Jan 2024
  5. Decided - Granted6/2023/1118/FULL

    Retention of concrete hard-standing area and 2 x roller shutter doors, with installation of 2 x new roller shutter doors, roof and side wall to storage area, re-cladding of existing storage building, to include windows and doors and replacement of asbestos roof.

    Linden Lodge Bulls Lane Hatfield AL9 7BB

    Received 25 May 2023
  6. Decided - Granted6/2016/0016/FULL

    Change of use from computer training centre (Formerly a sandwich bar which benefitted from a temporary (flexible) change of use for a period of up to two years under Class D of Part 4 of Schedule 2) to tanning salon

    50-52 Town Centre, Hatfield, AL10 0JJ

    Received 5 Jan 2016
  7. Decided - Granted6/2024/1933/HOUSE

    Retention of rear conservatory, garage conversion and replacement door for window

    3 Allen Court Hatfield AL10 8XP

    Received 9 Oct 2024
  8. Decided - Granted6/2018/1480/HOUSE

    Replacement of double garage doors and demolition of existing wooden shed/aviary and erection of a garden room

    52 Birchall Wood Welwyn Garden City AL7 2HL

    Received 4 Jun 2018
  9. Decided - Granted6/2018/0498/HOUSE

    Installation of 2 x side dormers

    55 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 20 Feb 2018
  10. Decided - Granted6/2020/2350/EM

    Conversion of some existing soft landscaping and minimal removal of non-boundary hedge to accommodate hard landscaping for driveway extension.

    6 Colgrove Welwyn Garden City AL8 6HU

    Received 14 Sept 2020
  11. Decided - Refused6/2020/1177/FULL

    Retention of the use of the first and second floor levels from Retail (A1) to 2 small HMO units (with no more than four occupants each).

    First and Second Floor 12 Harpsfield Broadway Hatfield AL10 9TF

    Received 27 May 2020
  12. Decided - Refused6/2022/0442/FULL

    Erection of a replacement dwelling with attached garage following demolition of existing dwelling (retrospective)

    84 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 24 Feb 2022
  13. Decided6/2024/2130/TC

    REAR GARDEN T1 (Ash tree) and T2 (Hornbeam) are to be reduced by approx. 25-30% to suitable growth points. Both trees are large for their locations in a domestic garden and a reduction of approx. 25-30% to suitable growth points will help to control the size of the trees for their location and will allow more light into surrounding gardens

    28 Guessens Road Welwyn Garden City AL8 6RA

    Received 5 Nov 2024
  14. Decided - GrantedN6/2014/0835/TC

    Cut back Mountain Ash tree branches and reshape crown by 20%

    22 Marsden Road, Welwyn Garden City, AL8 6XZ

    Received 9 Apr 2014
  15. Decided6/2025/0806/TC

    Remove 1 x Silver Birch Remove 1 x Field Maple

    3 The Glade Welwyn Garden City AL8 7LG

    Received 29 Apr 2025
  16. Decided - Granted6/2020/0771/EM

    Formation of hard landscaping works including new vehicle crossover and driveway

    17 Beehive Green Welwyn Garden City AL7 4BE

    Received 24 Mar 2020
  17. Decided - Granted6/2023/0162/ADV

    Installation of a Medpoint Solo prescription collection machine adjacent to the pharmacy carpark and new fascia signs

    110 Peartree Lane Welwyn Garden City AL7 3UJ

    Received 23 Jan 2023
  18. Decided - GrantedS6/2014/0177/FP

    Construction of a new garage building, construction of a new stables block with manege for personal use, associated hard and soft landscaping ancillary to the dwelling. Furthermore, change of use of land for the keeping of horses.

    Milbrook (formerly Milbrook Golf Clubhouse), Carbone Hill, Newgate Street, Hertford, SG13 8RD

    Received 17 Jan 2014
  19. Decided - Granted6/2022/2119/EM

    Erection of a single storey rear extension

    60 Golden Dell Welwyn Garden City AL7 4EB

    Received 12 Sept 2022
  20. Decided6/2024/2061/TC

    1 x Cedar to fell

    48 Marsden Green Welwyn Garden City AL8 6YB

    Received 24 Oct 2024
  21. Appeal Decided - Split6/2016/0061/ADV

    Installation of new shopfront signage to include 4no internally illuminated fascia signs and 1no internally illuminated projection sign

    Tapi Carpets 52 Howardsgate Welwyn Garden City AL8 6BP

    Received 15 Jan 2016
  22. Decided - Refused6/2021/0368/HOUSE

    Erection of a single storey extension to garage to create workshop

    23 Blakes Way Welwyn AL6 9RE

    Received 5 Feb 2021
  23. Decided - GrantedS6/2007/1987/LB

    RELOCATION OF THE EXISTING SECURITY KIOSK AND GATES. NEW SECURITY FENCE TO BOUNDARY AND GATES TO PUMP HOUSE

    NORTH MYMMS PARK, TOLLGATE ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7TR

    Received 27 Dec 2008
  24. Decided - Granted6/2026/0916/HOUSE

    Erection of single-storey rear and side extension with the installation of three rooflights

    102 Lemsford Lane Welwyn Garden City AL8 6YP

    Received 22 May 2026

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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    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.

  • 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.

  • 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.

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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