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
35,316Searchable applications
319Recorded as pending
87%Approval rate · 29,421 approved or refused records
3,956Refused applications

25,465 approved · 3,956 refused · 1,840 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/2482/TC

    Fell 11 Conifer trees and one Sycamore tree in no 27 and fell 8 Conifer trees in no 25

    Land at, 27 & 25 Attimore Road, Welwyn Garden City, AL8 6LQ

    Received 11 Nov 2013
  2. Decided - Granted6/2023/2387/TPO

    T3 Hornbeam - Crown thin by 20% (as is growing very close to neighbouring property and blocking light and rainfall). T2 Oak - Remove two lower branches (as over-hanging garage roof/guttering). TPO 711 (2017)

    1 Juniper Gardens Welwyn AL6 0XH

    Received 27 Nov 2023
  3. DecidedN6/2009/1112/TE

    REMOVE EVERGREEN FIR TREE

    17 Hillside, Welwyn Garden City, AL7 4PZ

    Received 13 May 2009
  4. Decided - GrantedW6/2008/2097/EM

    INSERTION OF DOOR INTO SIDE ELEVATION, REMOVAL OF DOOR AND INSERTION OF A WINDOW IN FRONT ELEVATION

    49 PEARTREE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UA

    Received 5 Nov 2008
  5. Decided - Granted6/2021/0272/HOUSE

    Erection of full first floor extension, front porch canopy, side chimney, with other external alterations, following demolition of attached garage and first floor rear extension

    22 Reynards Road Welwyn AL6 9TP

    Received 29 Jan 2021
  6. Decided - Granted6/2020/1976/EMT

    Reduce 1 x Goat willow by 4m height & 2.5m width Reduce 1 x Apple by 3m height and 1.5m width

    25 Uplands Welwyn Garden City AL8 7EN

    Received 8 Aug 2020
  7. Decided - Withdrawn6/2021/0581/EM

    Erection of single storey rear extension

    20 Queens Avenue Welwyn Garden City AL7 4BZ

    Received 23 Feb 2021
  8. Decided6/2021/2175/TC

    Removal of elm tree

    102 Handside Lane Welwyn Garden City AL8 6SY

    Received 19 Jul 2021
  9. Decided - Granted6/2020/0899/HOUSE

    Installation of front window to facilitate the conversion of the existing garage to habitable space

    95 Ludwick Way Welwyn Garden City AL7 3PL

    Received 20 Apr 2020
  10. Decided - Granted6/2023/1287/EMT

    Fell 1 x ivy clad Fir tree in rear garden to ground level and remove stump following snapping limbs to replace with a smaller more suitable species

    38 Valley Road, Welwyn Garden City, AL8 7DN

    Received 20 Jun 2023
  11. Decided - Granted6/2020/3405/HOUSE

    Garage and car port conversion, infill of covered passage and alteration of two dormers in roof over garage

    107 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 21 Dec 2020
  12. Decided - Granted6/2018/1007/HOUSE

    Erection of a part single storey rear extension

    4 Aldock Welwyn Garden City AL7 4QF

    Received 18 Apr 2018
  13. Decided - Granted6/2024/0088/HOUSE

    Widening of existing hardstanding to facilitate parking for 2 cars following the removal of tree

    2 Colgrove Welwyn Garden City AL8 6HU

    Received 15 Jan 2024
  14. Decided - Granted6/2024/0817/FULL

    Erection of an additional storey to create a 2-bed flat

    55 Dragon Road Hatfield AL10 9LY

    Received 30 Apr 2024
  15. Decided - WithdrawnS6/2013/0352/LUP

    Certificate of lawfulness for proposed driveway and vehicle crossover

    49 Briars Wood Hatfield AL10 8DH

    Received 12 Feb 2013
  16. Decided6/2021/1548/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.2m in height and 3m to the eaves.

    9 Huggins Lane Welham Green Hatfield AL9 7LT

    Received 14 May 2021
  17. Appeal Decided - Allowed6/2018/2199/FULL

    Installation of stand alone solar PV panels, associated planting and ground works

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 24 Aug 2018
  18. Decided - Granted6/2023/1657/TPO

    Reduce height of 1x Lime Tree by 2.5m in height and 2.5m in width (back to previous pruning points) and lift canopy to 4m above ground level in order to alleviate car parking issues, alleviate end weight on limbs and retain a suitably sized tree for the location. Tree covered by TPO 907.

    Car Park at Sherrards Mansion Rectory Road Welwyn Garden City AL8 7AY

    Received 9 Aug 2023
  19. Decided6/2017/2338/TPO

    Fell Purple Leafed Plum tree to ground level and fell two Apple Trees to ground level - Conservation Area

    Hill House Park Street Hatfield AL9 5AZ

    Received 11 Oct 2017
  20. Decided6/2020/2186/TC

    Fell 1x Conifer tree

    5 Palmerston Close Welwyn Garden City AL8 7DL

    Received 27 Aug 2020
  21. Decided - Granted6/2024/1391/COND

    Submission of details pursuant to Condition 1 (Materials) on Planning permission 6/2023/0772/FULL

    74 Warrengate Road North Mymms AL9 7TY

    Received 19 Jul 2024
  22. Decided - Granted6/2016/2238/TPO

    T1 - Beech - reduce crown by 30% for maintaining the size & shape - Conservation Area

    3A Russellcroft Road Welwyn Garden City AL8 6QN

    Received 21 Oct 2016
  23. Decided - Refused6/2020/0802/PN8

    Prior approval for the erection of a single storey rear extension measuring 8.00m in depth, 3.50m in height and 3.50m to the eaves

    2 Danesbury Park Road Welwyn AL6 9SE

    Received 30 Mar 2020
  24. Decided - GrantedS6/2014/2477/HH

    Prior approval for a single storey rear extension

    56 Talbot Road, Hatfield, AL10 0QY

    Received 11 Nov 2014

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

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