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
39,742Searchable applications
340Recorded as pending
86%Approval rate · 33,283 approved or refused records
4,755Refused applications

28,528 approved · 4,755 refused · 2,172 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0933/HOUSE

    Erection of new front garage following demolition of existing garage

    61 Robbery Bottom Lane Welwyn AL6 0UL

    Received 4 May 2017
  2. Decided - GrantedS6/2007/1697/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    40 THE MEADWAY, CUFFLEY, HERTFORDSHIRE, EN6 4ES

    Received 12 Nov 2007
  3. Decided - GrantedS6/2009/1352/FP

    FORMATION OF HIPPED ROOF OVER EXISTING FRONT DORMER, INSERTION OF NEW FRONT DORMER, ERECTION OF TWO ROOF LANTERNS TO THE REAR AND NEW VEHICLE CROSSOVER

    52 MOFFATS LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7RU

    Received 23 Jun 2009
  4. Decided - Granted6/2022/0615/EMT

    A) Remove upright growth to 31 Lawson’s Cypress conifers, which are located on both sides of his back garden – this will entail shaping each tree and reducing the 40 foot trees by c30%. B) to remove dead-wood from the 2 oak trees in his back garden The purpose of this work is to maintain the shape and form of the trees in relation to the house and garden. This application conforms with previous applications made to the Council over the years.

    14 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 15 Mar 2022
  5. Decided - Granted6/2016/0393/HOUSE

    Erection of a first floor rear/side extension.

    51 Pooleys Lane, Welham Green, Hatfield, AL9 7LG

    Received 7 Mar 2016
  6. Decided - Granted6/2018/0877/EM

    Conversion of garage into playroom and installation of a window following removal of garage door and the installation of bi-fold doors at the rear elevation of the property.

    20 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 4 Apr 2018
  7. Decided - Granted6/2024/2013/HOUSE

    Erection of front porch, garage conversion with alterations to fenestration and existing roof and installation of flue

    38 Elm Gardens Welwyn Garden City AL8 6RY

    Received 21 Oct 2024
  8. Decided - Granted6/2022/2618/PN1

    Prior approval for a change of use of an agricultural building to a flexible commercial use (B8 storage)

    Holwell Court Farm Holwell Court Hatfield Hertfordshire AL9 5RL

    Received 16 Nov 2022
  9. Decided - Granted6/2024/2271/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.9m in depth, 2.9m in height and 2.5m to the eaves

    12 Sycamore Avenue AL10 8LZ

    Received 26 Nov 2024
  10. Decided - Withdrawn6/2017/1531/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.6m in depth, 2.9m in height and 2.75m to the eaves

    69 Great Dell Welwyn Garden City AL8 7HP

    Received 13 Jul 2017
  11. Decided - Split6/2022/0612/COND

    Submission of details pursuant of condition 20 (cycle parking) on planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 15 Mar 2022
  12. Decided - Granted6/2025/1975/EM

    Replacement of windows at the front of the property, replacement of wooden cladding with Rosewood coloured UPVC cladding, new composite front door, installation of glass canopy over front door

    41 Turmore Dale Welwyn Garden City AL8 6HT

    Received 15 Sept 2025
  13. Decided - Granted6/2017/0463/TPO

    Reduce oak tree by 30% covered by TPO 411 (2008)

    117 Handside Lane Welwyn Garden City AL8 6TA

    Received 7 Mar 2017
  14. Decided - Split6/2023/0240/COND

    Submission of details pursuant to condition 2 (parking), condition 3, (hard and soft landscaping), condition 5 (refuse and recycling) and condition 6 (cycle parking) on planning permission 6/2022/2356/FULL

    6 Ross Close Hatfield Hertfordshire AL10 0QT

    Received 31 Jan 2023
  15. Decided - GrantedS6/2008/1405/FP

    INSTALLATION OF WORKSHOP DOORS

    S & B COMMERCIALS PLC, TRAVELLERS LANE, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7HD

    Received 13 Aug 2008
  16. Decided - RefusedN6/2008/0793/FP

    ERECTION OF TWO STOREY FRONT EXTENSION INCORPORATING A NEW DORMER WINDOW

    93 Robbery Bottom Lane Welwyn AL6 0UL

    Received 17 May 2008
  17. Decided - Granted6/2024/0557/TC

    T1. Oak to reduce the crown by up to 3m (radius) except the north-west/roadside of crown. Give a 2-metre clearance of the roof. TPO 641 (2017) T11

    27 Mardley Hill Welwyn AL6 0TT

    Received 21 Mar 2024
  18. Decided - GrantedN6/2013/0766/FP

    Erection of first floor side extension and porch

    38 Lemsford Lane, WELWYN GARDEN CITY, AL8 6YJ

    Received 3 Apr 2013
  19. Decided - GrantedS6/2013/0468/FP

    Erection of single storey side extension

    61 Bramble Road Hatfield AL10 9RZ

    Received 6 Mar 2013
  20. Decided - Granted6/2025/1294/EM

    Installation of 10 solar panels to front roof

    12 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 19 Jun 2025
  21. Decided - Refused6/2017/0746/PN11

    Prior approval for the change of use from Office (B1 (a)) to a Dwellinghouse (C3) to include the creation of 4 dwellings.

    12 Harpsfield Broadway Hatfield AL10 9TF

    Received 11 Apr 2017
  22. Decided - GrantedS6/2013/0527/FP

    Change of use of staff accommodation to 3 bed independent self contained flat with outside amenity and 2 parking spaces

    Red Lion Hotel 88 Great North Road Hatfield AL9 5EU

    Received 6 Mar 2013
  23. Decided6/2025/2529/TC

    T1, T2, T3, T4 & T5 Apple to fell.

    97 Handside Lane Welwyn Garden City AL8 6SP

    Received 8 Dec 2025
  24. Decided - Granted6/2026/0400/FULL

    Erection of a hay store and a machinery store

    Bothys field land at Holwell Court Farm Holwell Court Hatfield AL9 5RL

    Received 4 Mar 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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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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  • 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