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28,972 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - RefusedN6/2013/1649/TP

    Reduce Oak by 30% T3, T4, T5, T6, raise Hornbeam crown to 3m T11, fell and chip out stump by 300mm T18, reduce Oak by 30% and raise crown to 8m T19, reduce Oak by 30% and raise crown to 7m T20 all covered by TPO 481

    Peel Court, The Campus, Welwyn Garden City, AL8 6AQ

    Received 31 Jul 2013
  2. Decided - Split6/2017/2396/COND

    Confirmation that conditions have been complied with S6/1999/0900/FP - 29/11/1999

    129-133 Cunningham Avenue Hatfield AL10 9JZ

    Received 18 Oct 2017
  3. Decided - Granted6/2025/0935/TPO

    T1 x Sycamore to reduce by 1.5m height & width (TPO749 (2018))

    15 Birch Grove Welwyn AL6 0QP

    Received 21 May 2025
  4. Decided - Granted6/2016/0643/HOUSE

    Erection of single and two storey rear extensions

    4 High Road, Essendon, Hatfield, AL9 6HW

    Received 5 Apr 2016
  5. Decided - Granted6/2019/0738/FULL

    Installation of length of railway line and set of buffers adjacent to cycle path

    Nast Hyde Halt Ellenbrook Lane Hatfield

    Received 28 Mar 2019
  6. Decided - GrantedN6/2004/0235/FP

    ERECTION OF TWO STOREY REAR EXTENSION, ALTERATIONS TO ROOF & RELOCATION OF SINGLE GARAGE

    Pathenay 11 Heathbrow Road Welwyn AL6 0QG

    Received 17 Feb 2004
  7. Decided - Granted6/2016/1927/TPO

    Fell Ash tree covered by TPO 70 (1981)

    Lavender Cottage 11 Potterells Station Road Welham Green Hatfield AL9 7SL

    Received 14 Sept 2016
  8. Decided - Granted6/2024/1830/HOUSE

    Loft conversion with dormer to rear and insertion of rooflights to existing front roof elevation

    33 The Swallows Welwyn Garden City AL7 1BX

    Received 24 Sept 2024
  9. Decided - Granted6/2018/2027/COND

    Submission of details pursuant to condition 15 (external lighting) on planning permission 2016/2497/MAJ

    37 Broadwater Road Welwyn Garden City AL7 3AX

    Received 31 Jul 2018
  10. Decided - GrantedW6/2014/2551/TE

    Reduce 2 Yew trees and 1 Holly tree by 25%

    10 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 20 Nov 2014
  11. Decided - RefusedN6/2013/0057/FP

    Retention and completion of brick piers and gates

    Paynes Farm New Road Woolmer Green Knebworth SG3 6LE

    Received 14 Jan 2013
  12. Decided - Granted6/2021/2761/EM

    Erection of garden pathway and hedging to include part removal of existing hedge

    171 Knightsfield Welwyn Garden City AL8 7QG

    Received 23 Sept 2021
  13. Decided - Granted6/2022/0430/COND

    Submission of details pursuant of condition 1 (fenestration) ) on planning permission from description of proposal 6/2021/0574/FULL

    Charter House Parkway Welwyn Garden City AL8 6JL

    Received 23 Feb 2022
  14. Decided6/2020/3032/TC

    Fell 1 x spruce tree

    9 Hillside Welwyn Garden City AL7 4PZ

    Received 17 Nov 2020
  15. Decided - GrantedW6/2013/0989/EM

    Retention of solar panels

    95 Daniells, Welwyn Garden City, AL7 1QT

    Received 7 May 2013
  16. Decided6/2020/1131/TC

    Fell 1 x Cherry tree Reduce 1 x Hazel tree by 2.5m in height & width Reduce 1 x Apple tree over extended branch and prune in to a more aesthetic shape Fell 1 x Ash tree Fell 1 x Norway Maple Reduce 1 x Cherry Plum overlong branch in upper crown

    17 Sheepcote Welwyn Garden City AL7 4QA

    Received 19 May 2020
  17. Decided - GrantedW6/2004/1158/EM

    PLANTING OF THORN HEDGE WITH 500MM TEMPORARY POST AND WIRE FENCE

    41 Hyde Valley, Welwyn Garden City, AL7 4NE

    Received 28 Jul 2004
  18. Decided - Granted6/2025/2381/EMT

    2 x Apples to reduce by approx 2.5m in height and around 1.5m in width

    15 Moorend Welwyn Garden City AL7 4QL

    Received 12 Nov 2025
  19. Appeal Decided - WithdrawnN6/2015/0162/FP

    Erection of a single storey side extension

    31 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 23 Jan 2015
  20. Decided - Granted6/2021/2094/EM

    Erection of shed/garden room in rear garden

    11 Mannicotts Welwyn Garden City AL8 7BW

    Received 9 Jul 2021
  21. Decided - GrantedN6/2008/2439/FP

    ERECTION OF SINGLE STOREY EXTENSION TO GARAGE AND RAISING THE ROOF HEIGHT OF THE GARAGE

    104 HOMESTEAD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4NX

    Received 12 Dec 2008
  22. Decided - Refused6/2022/0327/LB

    Erection of a single storey rear extension

    17 Danesbury Park North Ride Welwyn AL6 9SA

    Received 11 Feb 2022
  23. Decided - GrantedN6/2005/1097/FP

    PROPOSED 3 STOREY OFFICE DEVELOPMENT, COMPRISING 1881 SQ METRES OF FLOORSPACE WITH ASSOCIATED CARPARKING AND LANDSCAPING.

    26 Bridge Road East Welwyn Garden City AL7 1HL

    Received 1 Sept 2005
  24. Decided6/2018/2502/TPO

    Reduce 1 x Holly tree (T1) by 20 % and remove snapped branch of 1 x Silver Birch tree (T2) covered by conservation area

    26 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 1 Oct 2018

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

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

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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