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
40,297Searchable applications
322Recorded as pending
86%Approval rate · 33,788 approved or refused records
4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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. Decided6/2022/1891/TC

    T1 Monterey Cypress fell to ground level - the tree is dead and likely to fall.

    24 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 15 Aug 2022
  2. Decided - Refused6/2018/1357/COND

    Submission of details pursuant to condition 2 (hard and soft landscaping) on planning permission 6/2016/2624/FULL, dated 14/09/2017

    Mercury House 1 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 22 May 2018
  3. Decided - GrantedW6/2008/2183/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    15 PITSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7SJ

    Received 12 Nov 2008
  4. Decided - Granted6/2026/0848/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.5m in depth, 3.25m in height and 3m to the eaves following the demolition of existing conservatory

    45 Garden Avenue Hatfield AL10 8LL

    Received 13 May 2026
  5. Decided - Granted6/2019/0243/TPO

    Reduce,1 x Sycamore tree, covered by TPO 120 1987

    58 New Road Digswell Welwyn AL6 0AN

    Received 1 Feb 2019
  6. Decided - Granted6/2022/2548/EM

    Erection of a single storey front extension following demolition of existing porch

    210 Howlands Welwyn Garden City AL7 4HF

    Received 7 Nov 2022
  7. Decided - Granted6/2025/2075/HOUSE

    Erection of a single-storey front extension with accessibility ramp and footpath

    Digswell Place Farm Dairy Cottage Monkswood Welwyn Garden City AL8 7EF

    Received 30 Sept 2025
  8. Decided6/2019/1140/TC

    Reduce 1 x Poplar tree to 1.5m above old reduction points and width to approximately 1 metre

    21 Springfields Welwyn Garden City AL8 6XS

    Received 10 May 2019
  9. Decided - GrantedN6/2007/0536/FP

    PROPOSED CONVERSION OF LOFT INCORPORATING TWO SIDE DORMERS, A REAR GABLE END WINDOW AND A FRONT BULLSEYE WINDOW

    16 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 2 Apr 2007
  10. Decided - RefusedW6/2013/2273/EM

    Retention of solar panels to front roof

    305 Knightsfield, Welwyn Garden City, AL8 7NJ

    Received 23 Oct 2013
  11. Decided - GrantedN6/2013/0821/MA

    Proposed demolition of existing buildings and re-development of site to provide 4 x two and three storey blocks to incorporate 50 apartments comprising 16 x 1 bedroom units, 32 x 2 bedroom units and 2 x 3 bedroom units and associated landscaping and parking

    Former Clock Hotel Church Street Welwyn AL6 9LN

    Received 18 Apr 2013
  12. Decided - Granted6/2019/2994/FULL

    Erection of single storey part side and part rear extensions, partial resurfacing of grassland to bodpave to facilitate parking with replacement of roof from glass to clay tiles

    Welwyn Rugby Football Club Hobbs Way Welwyn Garden City AL8 6HX

    Received 28 Nov 2019
  13. Decided - Granted6/2016/2034/HOUSE

    Erection of single storey extension to front elevation, garage conversion, alterations to side & rear elevations and demolition of existing conservatory

    20 Thrush Lane Cuffley Potters Bar EN6 4JT

    Received 3 Oct 2016
  14. Decided - RefusedN6/2009/1585/FP

    REPLACEMENT DWELLING AND DETACHED GARAGE

    6 Mardley Avenue Welwyn AL6 0UD

    Received 23 Jul 2009
  15. Appeal Decided - AllowedN6/2013/0488/FP

    Alterations to car parking area to create additional 3 parking spaces

    Peel House, The Campus, WELWYN GARDEN CITY, AL8 6AH

    Received 5 Mar 2013
  16. Decided - GrantedS6/2007/1282/AD

    4 No. internally illuminated double sided sheet poster panels (measuring 2041mm (H) X 1293 (W) X 530mm (D) located on 4 No. existing light columns within car park

    CAR PARK AT, OLDINGS CORNER RETAIL PARK, HATFIELD, Hertfordshire, AL9 5JP

    Received 24 Aug 2007
  17. Decided - Granted6/2026/1552/EMT

    1 x Weeping Birch to reduce height by approximately 1.5m and width

    28 Parkfields Welwyn Garden City AL8 6ED

    Received 7 Sept 2026
  18. Decided - Granted6/2023/0933/EMT

    1 x Holly to fell to ground level

    12 Pentley Close Welwyn Garden City AL8 7SH

    Received 2 May 2023
  19. Decided - Granted6/2022/1426/HOUSE

    Erection of a single storey side extension

    Ponsbourne Manor Chestnut Cottage 4 The Ridings Newgate Street Village Hertford Hertfordshire SG13 8QX

    Received 20 Jun 2022
  20. Decided6/2022/0986/TC

    T1 - Cherry - Remove dead top of crown by approx. 2 metres and shorten the rest of the crown by approx. 1 metre all round.

    17 Dellcott Close Welwyn Garden City Hertfordshire AL8 7BB

    Received 26 Apr 2022
  21. Decided - Granted6/2022/0035/HOUSE

    Erection of single storey extension to link dwelling to garage, with conversion of garage to utility/store and first floor front extension.

    9 Dicket Mead Welwyn AL6 9NX

    Received 6 Jan 2022
  22. Decided - Granted6/2017/2773/EM

    Formation of driveway

    60 Kirklands Welwyn Garden City AL8 7RD

    Received 28 Nov 2017
  23. Decided - Granted6/2016/1483/HOUSE

    Erection of part single part double storey extension to the rear

    48 Elmwood, Welwyn Garden City, AL8 6LE

    Received 21 Jul 2016
  24. Decided - GrantedS6/2008/0745/FP

    ERECTION OF FRONT GATES AND BOUNDARY WALLS

    BLACKTHORN, WEST END LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6AX

    Received 29 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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  • 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