England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
31,974Searchable applications
303Recorded as pending
87%Approval rate · 26,722 approved or refused records
3,501Refused applications

23,221 approved · 3,501 refused · 1,685 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 20 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2025/0818/EMT

    1x Irish Yew to remove to ground level, Tree is too close to the property 1x Honey Locust to remove low limb growing over neighbouring garden

    114 Parkway Welwyn Garden City AL8 6HN

    Received 29 Apr 2025
  2. Decided - Granted6/2025/1570/EMT

    T1 Lawson Cyprus reduce by 50% T2 Leylandi group reduce by 50% T3 Cypress dieback, fell to ground level

    152 Heronswood Road Welwyn Garden City AL7 3EU

    Received 21 Jul 2025
  3. Decided6/2022/1415/EIA

    Request for a scoping opinion in relation to a proposed solar development and associated infrastructure at land south-east of Ayot St. Lawrence

    Land to the south east of Ayot St Lawrence

    Received 20 Jun 2022
  4. Decided - Granted6/2024/1798/EM

    New double glazing to include a composite door and removal of segregation of lower front window

    222 Howlands Welwyn Garden City AL7 4HF

    Received 18 Sept 2024
  5. Decided - Granted6/2024/2044/LAWP

    Certificate of lawfulness for the installation of a side dormer

    5 Hook Lane Northaw Potters Bar EN6 4DA

    Received 23 Oct 2024
  6. Decided - GrantedN6/2015/0806/FP

    Erection of detached dwelling

    14 The Avenue Welwyn AL6 0PN

    Received 14 Apr 2015
  7. Decided6/2018/2432/TPO

    Fell 1 x Silver Birch tree and replace with new tree - covered by conservation area

    4 Reddings Welwyn Garden City AL8 7LA

    Received 20 Sept 2018
  8. Decided - Granted6/2019/2086/MAJ

    Erection of 90 residential units for over 55’s with associated communal areas, amenity space, car parking and alterations to existing access following demolition of existing buildings

    Minster House Minster Close Hatfield AL10 9JN

    Received 15 Aug 2019
  9. Decided - Granted6/2024/0593/HOUSE

    Facade and roof alterations, including raising of roof, to rear extension, and installation of rooflights

    13 North Ride Welwyn AL6 9RD

    Received 26 Mar 2024
  10. Appeal Decided - Dismissed6/2016/0845/FULL

    Conversion of existing garage to an independent residential dwelling unit including two storey side extension, two storey rear extension, insertion of dormer windows and raising of roof and alterations following demolition of existing log store and outbuildings

    56 Hertford Road Digswell Welwyn AL6 0BX

    Received 3 May 2016
  11. Decided - Granted6/2018/1934/LB

    Restoration of internal oak beams by removing black gloss paint

    22 Church Street Welwyn AL6 9LX

    Received 23 Jul 2018
  12. Decided - Granted6/2021/3174/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3m in height, 3m to the eaves

    28 Westland Drive Hatfield AL9 7UQ

    Received 5 Nov 2021
  13. Decided - Granted6/2016/1592/MAJ

    Erection of two storey, 18 bay, modular building following the removal of car park canopy

    Ocado Ltd, Gypsy Moth Avenue, Hatfield, AL10 9BD

    Received 4 Aug 2016
  14. Decided - Granted6/2026/0371/TPO

    Crown reduce 1 x oak back to previous points, removing approx. 3m of regrowth. TPO 865 (2018)

    1 Applecroft Road Welwyn Garden City AL8 6JZ

    Received 27 Jan 2026
  15. Decided - Granted6/2018/0272/FULL

    Redevelopment of the Square, to include: repaving, reconfiguration of raised planters, new raised planter, removal of trees, rationalisation of existing lawn, installation of sculpture, installation of seating and children's play equipment and cycle parking.

    White Lion Square Hatfield Town Centre Hatfield AL10 0JJ

    Received 29 Jan 2018
  16. Decided - Granted6/2017/0248/TPO

    DD Application - Fell Oak tree and replace with another Oak covered by TPO 194 (1995)

    8 Broadleaf Grove Welwyn Garden City AL8 7AZ

    Received 10 Feb 2017
  17. Decided - Withdrawn6/2024/2321/LAWP

    Certificate of lawfulness for a single storey side extension, single storey rear extension and ground floor rear bay window

    32 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 3 Dec 2024
  18. Decided - RefusedS6/2015/1259/HH

    Prior approval for a single storey rear extension

    17 South Drive Cuffley Potters Bar EN6 4HP

    Received 15 Jun 2015
  19. Decided - Granted6/2025/1652/EMT

    T1 - Plum to reduce by approximately 1.8m height and width - largely overhanging side passage and neighbours garden. T2 - Apple to remove, poor condition and basal decay. T3 - apple to remove, nearly dead large basal decay.

    1 Fern Grove Welwyn Garden City AL8 7ND

    Received 31 Jul 2025
  20. Decided - Granted6/2022/2276/FULL

    Erection of a detached 2 storey dwelling

    6 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 30 Sept 2022
  21. Decided - Granted6/2017/1400/TPO

    Crown lift two oak trees (T1 and T2) to 4m and crown reduce T1 by 2m and T2 by 1m covered by TPO 459 (2011)

    20A The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 16 Jun 2017
  22. Decided - Granted6/2026/1391/TPO

    Crown reduction of a Silver Birch tree by up to 20% (approximately 2 - 3 metres) to reduce branch spread and weight. Work is required to manage size, prevent encroachment and maintain tree health Reduce overhanging branches by approximately 2 metres to prevent encroachment over the driveway and reduce pigeon fouling on vehicles The tree is close to the house and has grown too large for the garden so the works are required to manage its size and maintain its health TPO 105 T3

    4 Evergreen Close Woolmer Green SG3 6JN

    Received 6 Aug 2026
  23. Decided - Granted6/2017/0053/FULL

    Demolition of 11 x prefabricated garages to create a residential parking area

    Great Dell Garages Welwyn Garden City AL8 7HP

    Received 12 Jan 2017
  24. Decided - Granted6/2018/1676/HOUSE

    Erection of single storey first floor front extension single storey rear extension and loft extension within existing roofspace to include installation of rear dormer

    134 Moffats Lane Brookmans Park Hatfield AL9 7RW

    Received 25 Jun 2018

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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

All planning guides
  • Understanding planning · 13 min read

    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.

Check collection coverage