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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
40,146Searchable 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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2591/LAWP

    Certificate of Lawful Development for a single storey rear extension, following the demolition of existing conservatory

    2 Nash Close Welham Green Hatfield AL9 7NN

    Received 14 Nov 2022
  2. Decided - Granted6/2022/1026/EM

    Erection of garden office

    10 Attimore Road Welwyn Garden City AL8 6LW

    Received 3 May 2022
  3. Decided - Refused6/2016/0161/HOUSE

    Erection of single storey, part two storey rear extension and alterations to openings

    73 The Vineyard, Welwyn Garden City, AL8 7PY

    Received 28 Jan 2016
  4. Decided - Granted6/2016/1499/TPO

    Reduce lateral overhang of Oak by 3-4m - Conservation Area

    33 Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 29 Jun 2016
  5. Decided - Granted6/2017/0015/PN15

    Prior approval for the installation of a PAGONA cabinet measuring 1230x400x1032mm located on a new concrete base at ground level, installation of a 14.7m high monopole, installation of additional Mast Head Amplifiers (MHAs) and associated development thereto following removal of existing monopole

    Stanborough Road Welwyn Garden City AL8 6XD

    Received 5 Jan 2017
  6. Decided - Granted6/2017/1168/HOUSE

    Erection of a part single storey, part first floor rear extension

    11 Ross Close Hatfield AL10 0QT

    Received 30 May 2017
  7. Decided - Granted6/2016/1619/EM

    Removal of Silver Birch tree in rear of garden

    16 Guessens Road, Welwyn Garden City, AL8 6QR

    Received 9 Aug 2016
  8. Decided - GrantedN6/2014/1935/TC

    Remove deadwood to Oak tree

    Applecroft Primary School, Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 1 Sept 2014
  9. Decided - Granted6/2024/1599/LAWP

    Certificate of Lawfulness for the change of use from Bank (Class E (c)) to Dental practice (Class E (e))

    28 Station Road Cuffley Potters Bar EN6 4HE

    Received 21 Aug 2024
  10. Decided - GrantedN6/2013/0822/NM

    Non material amendment following approval of planning permission N6/2012/1963/FP - Extend entrance area and reduce the window to side elevation

    7 Oaklea Welwyn AL6 0PT

    Received 24 Apr 2013
  11. Decided - GrantedN6/2004/1682/DT

    INSTALLATION OF 11.65 METRE LAMPPOST WITH INTEGRATED TELECOMMUNICATIONS ANTENNAS TO REPLACE AN EXISTING STREET LAMP AND TWO ASSOCIATED RADIO EQUIPMENT CABINETS

    LAND AT, LONDON ROAD, WOOLMER GREEN, KNEBWORTH, HERTFORDSHIRE

    Received 11 Nov 2004
  12. Decided - Granted6/2019/1384/TPO

    Re-Pollard G1 2x Lime Trees Covered by TPO 902(2018)

    11 Stanborough Close Welwyn Garden City AL8 6XB

    Received 10 Jun 2019
  13. Decided - Granted6/2017/1620/HOUSE

    Erection of single storey rear extension

    7 Valley Road Welwyn Garden City AL8 7DG

    Received 25 Jul 2017
  14. Decided - GrantedN6/2014/1196/FP

    Erection of two storey rear extension and side dormer window following demolition of existing conservatory and garage

    21 Great North Road Welwyn Garden City AL8 7TH

    Received 28 May 2014
  15. Decided - GrantedS6/2004/1768/FP

    ERECTION OF ROOF EXTENSION TO EXISTING BUNGALOW AND TO REAR AND SIDE ADDITION, WITH DORMER WINDOWS TO FORM LIVING ACCOMMODATION. (AMENDMENT TO APPROVAL S6/2004/199/FP

    17 Kingswell Ride Cuffley Potters Bar EN6 4LH

    Received 29 Nov 2004
  16. Decided - Granted6/2021/3153/HOUSE

    Erection of first floor side extension and insertion of 1 x roof light into existing roof

    52 Woodland Rise Welwyn Garden City AL8 7LF

    Received 4 Nov 2021
  17. Decided - Granted6/2021/3431/HOUSE

    Erection of a single storey rear extension

    1 Lysley Place Hatfield AL9 6NZ

    Received 7 Dec 2021
  18. Decided - GrantedS6/2006/0248/FP

    ERECTION OF REAR CONSERVATORY

    20 Roe Green Close Hatfield AL10 9PE

    Received 28 Feb 2006
  19. Decided - Refused6/2019/3013/PN8

    Prior approval for the erection of single storey rear extension measuring at 4.8m in depth, 3.53m height and 2.57m to the eaves

    5 Hill Ley Hatfield AL10 8LX

    Received 29 Nov 2019
  20. Appeal Decided - AllowedN6/2013/2015/OR

    Prior approval for the change of use of the second floor office (Use Class B1a) to a two bedroom flat (Use Class C3)

    2nd floor Trevelyan House, Church Road, Welwyn Garden City, AL8 6NT

    Received 30 Sept 2013
  21. Decided - Granted6/2017/2283/LAWP

    Certificate of lawfulness for a roof addition to include hip to gable enlargement, installation of a rear dormer and 3 front velux rooflights

    44 Oaklands Avenue Brookmans Park Hatfield AL9 7UJ

    Received 5 Oct 2017
  22. Decided - Granted6/2021/2414/HOUSE

    Erection of 2 storey front and side extensions, single storey front and side extension, new detached double garage and associate landscaping works

    12 Wilkins Green Lane Hatfield AL10 9RT

    Received 17 Aug 2021
  23. Decided - Granted6/2021/1309/TPO

    TPO 640: G5 (Oak x2) - Reduce by one third and thin TPO 640: T9 and T10 (Spruce x2) - Remove wind damaged branches TPO 640: T8 (Cedar) - Remove wind damaged branch

    2 The Drive Welwyn AL6 0TR

    Received 22 Apr 2021
  24. Decided - RefusedS6/2008/0682/FP

    ERECTION OF SINGLE STOREY SIDE AND PART TWO STOREY REAR EXTENSION. NEW ROOF CONFIGURATION TO PROVIDE FIRST FLOOR ACCOMMODATION WITH TWO FRONT DORMERS, TWO SIDE ROOFLIGHTS, REAR JULIETTE BALCONY AND REPLACEMENT CHIMNEY FOLLOWING DEMOLITION OF EXISTING CONSERVATORY AND GARAGE

    13 THE MEADWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4ET

    Received 4 Apr 2008

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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