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
40,248Searchable applications
321Recorded as pending
86%Approval rate · 33,744 approved or refused records
4,812Refused applications

28,932 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2020/1416/EM

    Erection of timber garden room

    36 Heather Road Welwyn Garden City AL8 6XU

    Received 18 Jun 2020
  2. Decided - Granted6/2021/2529/LAWP

    Certificate of lawfulness for erection of two storey rear extension, garage conversion and front porch

    59 Warren Way Digswell Welwyn AL6 0DL

    Received 31 Aug 2021
  3. Decided - Granted6/2025/0784/PN15

    Prior approval for the proposed upgrade of and existing telecommunications base station installation comprising the removal of the existing 3 no antenna on the lamppost (to be retained) and replacement with 20m monopole supporting 9no antennas, with wraparound cabinet at the base, together with the removal of 2no existing equipment cabinets and replacement with 3 no new cabinets, and ancillary development thereto.

    Grass verge off Bishops Rise Opposite St Johns House Hatfield AL10 9BZ

    Received 28 Apr 2025
  4. Decided6/2021/2797/TC

    T1 - Ash x 1 - reduce crown by 2.5m on height and 0.5m on spread T2 - Ash x 1 - reduce crown by 2m on height and 2m on spread over car parking bays and 1m over garden Reasons: becoming outgrown for their location T3 - Prunus padus (Bird cherry) x 1 - reduce crown by 1m on height and 1m on spread Reasons: good arboricultural practice

    20 Longcroft Gardens WELWYN GARDEN CITY AL8 6JR

    Received 29 Sept 2021
  5. Decided - Granted6/2021/1311/PN15

    Prior approval for the erection of a 20m Phase 8 Monopole with wraparound cabinet at base and associated ancillary works.

    Chequers SW Chequers Welwyn Garden City AL7 3TB

    Received 23 Apr 2021
  6. Decided - GrantedS6/2013/0710/FP

    Installation of two gas tanks and erection of an enclosure

    Cuffley Gate, Sopers Road, Cuffley, POTTERS BAR, EN6 4RY

    Received 4 Apr 2013
  7. Decided - Granted6/2024/0894/HOUSE

    Erection of a single storey rear extension, part garage conversion with insertion of rooflight into existing garage roof, following demolition of existing conservatory

    67 Beehive Lane Welwyn Garden City AL7 4BN

    Received 14 May 2024
  8. Decided - GrantedN6/2004/1038/FP

    ERECTION OF A REAR CONSERVATORY

    51 Broomhills Welwyn Garden City AL7 1RE

    Received 8 Jul 2004
  9. Decided - Granted6/2016/0085/EM

    Reduce Maple tree located in front garden and Cherry tree in rear garden by 9ft in height and 12ft in spread

    24 Dellcott Close, Welwyn Garden City, AL8 7BD

    Received 14 Jan 2016
  10. Decided - Granted6/2019/0747/LB

    Removal of two internal walls

    11 Holwell Court Hatfield AL9 5RL

    Received 29 Mar 2019
  11. Decided - Granted6/2023/1123/LB

    Installation and display of 2no. non-illuminated signs and 1no. externally illuminated sign

    The Red Lion 88 Great North Road Hatfield AL9 5EU

    Received 26 May 2023
  12. Decided - GrantedN6/2009/2500/FP

    ERECTION OF REAR CONSERVATORY

    8 HEATHER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XU

    Received 12 Nov 2009
  13. Decided - Granted6/2018/0344/HOUSE

    Erection of rear double garage and formation of one parking space in front of the garage.

    12 Parkway Close Welwyn Garden City AL8 6HJ

    Received 2 Feb 2018
  14. Decided6/2025/1903/TC

    Leyland Cypress hedge to reduce by around 10ft in height - Reduce to maintain a suitable height for the garden

    28 Turmore Dale Welwyn Garden City AL8 6HS

    Received 4 Sept 2025
  15. Decided - Granted6/2016/0339/HOUSE

    Erection of single storey rear and side extensions

    34 Selwyn Crescent, Hatfield, AL10 9NN

    Received 1 Mar 2016
  16. Decided - GrantedW6/2014/0674/TE

    Fell Oak tree to ground level

    3 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 24 Mar 2014
  17. Decided - Granted6/2018/1009/EM

    Erection of single storey rear extension

    4 Aldock Welwyn Garden City AL7 4QF

    Received 18 Apr 2018
  18. Decided6/2017/2220/TPO

    Crown thin 2 x Oak trees by 10% (T1 & T2) - Conservation Area

    7 Reddings Welwyn Garden City AL8 7LA

    Received 29 Sept 2017
  19. Decided - Granted6/2018/0292/HOUSE

    Erection of a single storey rear extension, following demolition of conservatory and extension of existing raised decking area.

    47 Rosedale Welwyn Garden City AL7 1DW

    Received 30 Jan 2018
  20. Decided - Refused6/2022/0856/LAWP

    Certificate of lawfulness for the erection of a front porch and single storey rear extension following the demolition of existing brick outbuilding.

    76 Birchwood Avenue Hatfield AL10 0PS

    Received 11 Apr 2022
  21. Decided6/2025/1561/TC

    T1 Hornbeam to crown reduce by approx 2-3m, and remove any major deadwood

    25 Reddings Welwyn Garden City AL8 7LA

    Received 21 Jul 2025
  22. Decided - GrantedN6/2014/1552/TP

    To reduce the Hornbeam tree (T1) by 20-30% covered by TPO 108 G3

    11 Mardley Wood Welwyn AL6 0UY

    Received 10 Jul 2014
  23. Decided - SplitN6/2008/0977/TP

    REDUCE & SHAPE LIME & SYCAMORE BY 25%, REDUCE & SHAPE SILVER BIRCH TREE BY 25% ALL COVERED BY TPO 103 G2

    7 Copper Beeches Welwyn AL6 0SS

    Received 24 Jun 2008
  24. Decided - Refused6/2017/0835/LB

    Erection of part single storey, single storey lean-to and double storey side extensions, with alterations to openings/fenestrations and the installation of 5 rooflights. Erection of porch to West elevation following the infill of existing.

    14A Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE

    Received 21 Apr 2017

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.

Check collection coverage