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
34,906Searchable applications
313Recorded as pending
87%Approval rate · 29,072 approved or refused records
3,878Refused applications

25,194 approved · 3,878 refused · 1,818 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0866/EMT

    Remove rear conifer boundary hedge and replace with Yew species to restore the hedge line

    8 Pitsfield Welwyn Garden City AL8 7SJ

    Received 17 Mar 2021
  2. Decided - Granted6/2019/3041/HOUSE

    Erection of front porch, part single part two storey rear extension with conversion of garage into habitable space

    99 Hatfield Road Little Heath Potters Bar EN6 1HZ

    Received 2 Dec 2019
  3. Decided - Granted6/2015/1932/COND

    Approval of details reserved by condition 4 (alterations to existing windows) on planning permission N6/2014/2788/LB

    Ayot Cottage, Hill Farm Lane, Welwyn, AL6 9BT

    Received 16 Sept 2015
  4. Decided - Refused6/2016/0068/EM

    Formation of drop kerb and hardstand for a driveway

    29 Salisbury Road, Welwyn Garden City, AL7 3RR

    Received 14 Jan 2016
  5. Decided6/2017/2324/TPO

    Removal of Wild Prunus tree and reduce Oak tree by 25% - Conservation Area

    54 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 14 Sept 2017
  6. Decided - Granted6/2020/0636/EM

    Erection of new garden shed

    45 Pentley Park Welwyn Garden City AL8 7SF

    Received 5 Mar 2020
  7. Decided - Granted6/2017/1266/TPO

    Reduce Oak tree by upto 30% plus removal of lower branches covered by TPO 460 (2011)

    Welwyn Parish Council Civic Centre Lockleys Drive Welwyn AL6 9NT

    Received 12 Jun 2017
  8. Decided - GrantedN6/2015/0200/FP

    Installation of Automatic Car Park Barrier

    Car Park, Church Road, Welwyn Garden City, AL8 6PS

    Received 2 Feb 2015
  9. Decided - Granted6/2024/0469/EM

    Erection of part single- part double storey rear extension, partial conversion of garage and landscaping works

    48 Valley Road Welwyn Garden City AL8 7DN

    Received 11 Mar 2024
  10. DecidedN6/2009/2216/TC

    FELLING OF TWO POPLAR TREES AND CROWN LIFT OAK TREE TO 5 METRES AND HORNBEAM TREE TO 3 METRES

    OAKLANDS COLLEGE, WELWYN GARDEN CITY CAMPUS, THE CAMPUS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AH

    Received 14 Oct 2009
  11. Decided - Granted6/2022/1866/HOUSE

    Single storey rear extension with rooflight

    26 Guessens Grove Welwyn Garden City Hertfordshire AL8 6RG

    Received 9 Aug 2022
  12. Decided - Granted6/2017/0910/EM

    Removal of three Conifer trees located at front of property

    4 The Limes Welwyn Garden City AL7 4BD

    Received 2 May 2017
  13. Decided - GrantedN6/2009/2634/DC3

    INSTALLATION OF WIRELESS AERIAL

    The Golf Course Old Herns Lane Welwyn Garden City AL7 2ED

    Received 3 Dec 2009
  14. Decided - Granted6/2020/2088/HOUSE

    Erection of a single storey rear extension

    19 The Grove Hatfield AL9 7RL

    Received 19 Aug 2020
  15. Decided6/2024/2330/TC

    1 x Holly to reduce by approximately 1.5m in height, Reduce to create a better shape as surpassed by neighbouring beech 1 x Apple to reduce by approximately 1.8m in height and 1.2m in width. reducing to retain tree as there is a large decayed area in lower trunk

    11 High Grove Welwyn Garden City AL8 7DW

    Received 3 Dec 2024
  16. Decided - Granted6/2026/1381/EM

    Installation of 15 Panels on rear elevation

    8 Meadow Green Welwyn Garden City AL8 6SS

    Received 5 Aug 2026
  17. Decided6/2020/3298/TC

    1 x Oak - reduce lateral growth towards No.17 by 3m extending full height of the tree 1 x Oak - reduce lateral growth towards No.16 by 3m extending full height of the tree 1 x Hornbeam - reduce by 3m in height and 2m width. 1 x Hornbeam - reduce lateral growth by 2.5m. Reduce over extending limb to right hand side by 3.5m. Reduce over extended limb to left by 3m. 1 x Hornbeam - reduce lateral growth by 2.5m 1 x Oak - reduce lowest large limb by around 4m. Reduce remaining by 3m extending full height of the tree. Remove major deadwood from throughout crown 1 x Hornbeam - reduce by 2.5m in height and width. 1 x Hornbeam - remove major deadwood from throughout crown. 1 x Oak - trim to clear phone wire by 1m where possible, prune back limbs over parking area by 2m. Remove major deadwood from throughout crown.

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 8 Dec 2020
  18. DecidedN6/2008/2151/TC

    WORKS TO TREE, FULL DISMANTLE AND FELL TO GROUND LEVEL.

    LAND ADJACENT TO, 3 LONCROFT LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EB

    Received 13 Nov 2008
  19. Decided - Refused6/2023/1918/HOUSE

    Erection of a first floor rear extension, balcony and installation of two rear windows

    48 Woods Avenue Hatfield AL10 8NA

    Received 15 Sept 2023
  20. Decided - Granted6/2020/1699/VAR

    Variation of condition 4 (car parking) and 8 (approved plans) on planning permission 6/2019/0768/VAR

    Barham Court 80A Station Road Cuffley Potters Bar EN6 4HY

    Received 14 Jul 2020
  21. Decided - Granted6/2018/1720/HOUSE

    Erection of a single storey side and rear extension, part two storey side extension

    37 Chelwood Avenue Hatfield AL10 0RF

    Received 27 Jun 2018
  22. Decided - Withdrawn6/2025/0732/COND

    Submission of details pursuant to condition number 2 (surface water drainage) and 3 (hard and soft landscaping) on planning permission 6/2023/0772/FULL

    74 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 16 Apr 2025
  23. Under Consultation6/2026/1732/COND

    Submission of details pursuant of condition 9 (construction management plan) on planning permission 6/2026/0889/ADV

    The Galleria Comet Way Hatfield AL10 0XR

    Received 30 Sept 2026
  24. Decided - Granted6/2021/0493/EM

    Installation of a new garden shed measuring 12' x 6' following the demolition of existing 2 sheds measuring 5' x 6' and 8 x 6'; and the installation of a new garden shed measuring 12' x 6' in a separate part of the garden.

    27 Fordwich Road Welwyn Garden City AL8 6EX

    Received 15 Feb 2021

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

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