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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/2625/COND

    Submission of details pursuant to condition 6 (photos) on listed building consent 6/2018/2719/LB

    26 High Street Welwyn AL6 9EQ

    Received 18 Oct 2019
  2. Decided - Withdrawn6/2018/2700/PN8

    Prior approval for the erection of single storey rear extension measuring 8m in depth, 2.800m in height, 2.800m to the eaves

    74 Brocket Road Welwyn Garden City AL8 7TU

    Received 19 Oct 2018
  3. Decided - GrantedN6/2006/0385/FP

    TWO STOREY AND SINGLE STOREY SIDE EXTENSION

    76 Herns Lane Welwyn Garden City AL7 2AH

    Received 24 Mar 2006
  4. Decided - Granted6/2020/3154/PN8

    Prior approval for single storey rear extension measuring 6m in depth, 3.53m in height and 2.8m to the eaves

    25 Swanley Crescent Little Heath Potters Bar EN6 1NQ

    Received 20 Nov 2020
  5. Decided - Granted6/2021/1720/HOUSE

    Erection of a single storey front infill extension to accommodate new bathroom, installation of new fence and relocated gate.

    1 Melbourne Court Welwyn Garden City AL8 6LL

    Received 1 Jun 2021
  6. Decided - GrantedW6/2013/2642/TE

    Reduce Beech tree by 20%

    Land bordering, 66 Bridge Road & Brockswood Corner, Welwyn Garden City, AL8 6UR

    Received 2 Dec 2013
  7. Decided - RefusedS6/2008/0352/FP

    DEMOLITION OF EXISTING DWELLING AND ERECTION OF TWO STOREY DWELLING WITH INTEGRAL GARAGE

    35 DIXONS HILL CLOSE, WELHAM GREEN, HATFIELD, HERTS, AL9 7EF

    Received 22 Feb 2008
  8. Decided - GrantedN6/2004/0687/FP

    CONSTRUCTION OF NEW 4 BEDROOM CHALET BUNGALOW, (RENEWAL OF PREVIOUS APPROVED APPLICATION N6/1999/0143/FP)

    Land rear of 26 Mardley Avenue Welwyn AL6 0TZ

    Received 30 Apr 2004
  9. Decided6/2022/2590/TC

    Fell 1 x lime tree Fell 5 x Leyland cypress

    5 The Old Drive Welwyn Garden City AL8 6TB

    Received 14 Nov 2022
  10. Decided - Granted6/2022/0319/HOUSE

    Erection of a single storey rear extension, replacement of existing windows and re-roofing of existing roof.

    3 Attimore Road Welwyn Garden City AL8 6LH

    Received 10 Feb 2022
  11. Decided - Granted6/2022/2182/EMT

    1 x Box Elder to fell to ground level 1 x Holly to reduce by 1.2m 1 x Spruce to fell to ground level - Spruce to remove as tree is becoming too large and dominating area, causing problems for neighbours with excessive overhanging branches

    5 Breakmead Welwyn Garden City AL7 3HG

    Received 21 Sept 2022
  12. Decided - GrantedW6/2012/2579/TE

    Removal of Leylandii tree

    96 Pentley Park, WELWYN GARDEN CITY, AL8 7SG

    Received 17 Oct 2012
  13. Decided - GrantedW6/2009/1661/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    175 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JA

    Received 31 Jul 2009
  14. Decided - RefusedN6/2008/1686/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION

    5 Wheatley Road, Welwyn Garden City, AL7 3LL

    Received 27 Aug 2008
  15. Decided - Granted6/2018/2172/HOUSE

    Erection of a part single storey rear and part first floor rear extension and installation of front window to facilitate garage conversion

    23 Wolves Mere Woolmer Green Knebworth SG3 6JW

    Received 21 Aug 2018
  16. Decided - Refused6/2023/1110/HOUSE

    Erection of single storey front extension

    24 Honeysuckle Gardens Hatfield AL10 8PJ

    Received 25 May 2023
  17. Decided - Granted6/2021/1846/EMT

    1 x Multi stem Sycamore - fell Group of Sycamore - fell 1 x Tamarisk - fell

    53 Marsden Road Welwyn Garden City AL8 6YH

    Received 15 Jun 2021
  18. Under Consideration6/2026/1127/EM

    Replacement hardstanding and new fences following removal of hedge

    16 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 29 Jun 2026
  19. Decided - Granted6/2020/3162/LAWP

    Certificate of lawfulness for the erection of building for the storage of model railway train, carriages, track and equipment required in association with established model railway which runs around the perimeter of the current garden.

    22 Hawkshead Lane Hatfield AL9 7TB

    Received 25 Nov 2020
  20. Decided - RefusedN6/2009/0190/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    30 SANDPIT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3TJ

    Received 30 Jan 2009
  21. Decided - Granted6/2020/1001/HOUSE

    Erection of detached granny annexe

    7 Stockbreach Close Hatfield AL10 0AZ

    Received 2 May 2020
  22. Decided - Granted6/2022/0133/ADV

    Installation of 1 x non-illuminated fascia sign above front entrance

    Unit 3 Swallow End Welwyn Garden City AL7 1JA

    Received 19 Jan 2022
  23. Decided - Granted6/2023/0561/EM

    Erection of single storey rear extension with insertion of rooflight, and loft conversion with dormer to rear and insertion of window to side elevation

    29 Little Ganett Welwyn Garden City AL7 3DG

    Received 13 Mar 2023
  24. Decided - Granted6/2015/2480/COND

    Approval of details reserved by conditions 5 (photovoltaic panels) condition 7 (lighting), condition 9 method statement) and condition 13 (bin collection) on planning permission N6/2014/1228/FP

    Garages at Burycroft, Welwyn Garden City, AL8 7AW

    Received 8 Dec 2015

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