England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
17,384Searchable applications
298Recorded as pending
86%Approval rate · 14,007 approved or refused records
1,926Refused applications

12,081 approved · 1,926 refused · 879 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/2378/OUTLINE

    Outline permission for the erection of up to 4 dwellings with all matters reserved except for point of access

    Land to the west of 103-109 Newgate Street Village Hertford SG13 8QR

    Received 12 Dec 2024
  2. Decided - Granted6/2021/1744/HOUSE

    Demolition of existing conservatory, erection of part two storey, part single storey side and rear extensions

    65 School Lane Welwyn AL6 9PL

    Received 3 Jun 2021
  3. Decided - Granted6/2024/1112/COND

    Submission of details pursuant of condition 1 (Methodology of Repairs), on application ref: 6/2024/0638/LB

    Parkside Cottage 56 Mill Lane Welwyn AL6 9ES

    Received 17 Jun 2024
  4. Decided - Granted6/2022/2199/FULL

    Installation of ventilation duct on rear of vacant shop

    1 High View Hatfield AL10 8HZ

    Received 22 Sept 2022
  5. Decided - Granted6/2025/1073/COND

    Submission of details pursuant of Condition 1 (Arboricultural Method Statement/Tree Protection Strategy), 2 (Landscape and Ecological Management Plan (LEMP)), 3 (Crown Roof), 4 (Hard/Soft Landscape Plans), 5 (Biodiversity Enhancements On-Site), 6 (Energy Statement), 7 (Refuse/Recycling), 8 (EV Charging) and the Biodiversity Gain Plan on planning permission 6/2024/1608/FULL

    45 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 6 Jun 2025
  6. Decided - Granted6/2026/0552/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2023/1370/HOUSE

    1 The Orchard Welwyn Garden City AL8 7PL

    Received 25 Mar 2026
  7. Decided6/2022/1546/COND

    Submission of details pursuant of conditions 1 (parking) and 5 (EV points) on planning permission 6/2021/3509/FULL

    Beecholme 54 Codicote Road AL6 9UJ

    Received 1 Jul 2022
  8. Decided6/2019/1439/TC

    Reduce 1 x Maple tree (T1) by 30%

    33 Parkside Welwyn AL6 9DQ

    Received 14 Jun 2019
  9. Decided - Withdrawn6/2020/0674/TC

    Fell 1 x Thuja Tree [T6]

    39 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 10 Mar 2020
  10. Decided - Granted6/2022/2314/HOUSE

    Erection of a single storey rear infill extension, extension of existing garage to the front to provide storage and to the rear as part of proposed garage conversion, fenestration alterations and changes to the front driveway

    33 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 4 Oct 2022
  11. Decided - Granted6/2025/1517/HOUSE

    Erection of front boundary wall with railings and brick pillars and two entrance gates including associated landscaping

    26 Brookmans Avenue Brookmans Park AL9 7QJ

    Received 14 Jul 2025
  12. Decided - Granted6/2021/3366/LAWP

    Certificate of lawfulness for installation of three front facing and three rear facing roof lights

    49 Clover Way Hatfield AL10 9FN

    Received 29 Nov 2021
  13. Decided - Granted6/2021/2415/COND

    Submission of details pursuant to condition 3 (external materials) on planning permission 6/2019/1411/MAJ

    Plot 5100, Hatfield Business Park Mosquito Way Hatfield AL10 9WN

    Received 17 Aug 2021
  14. Appeal Decided - Dismissed6/2021/3335/PN15

    Prior approval for the installation of a 20.0m Phase 7 Monopole complete with wraparound cabinet to be installed on root foundation and associated ancillary works.

    Welwyn Garden City Ambulance Station Ascots Lane Welwyn Garden City AL7 4HX

    Received 25 Nov 2021
  15. Decided - Granted6/2020/1977/EM

    Installation of solar panels on rear roof.

    10 Guessens Road Welwyn Garden City AL8 6QR

    Received 8 Aug 2020
  16. Decided - Granted6/2025/0656/EMT

    T1. Dead Apple - Fell to ground level. T2. Dead Cherry - Fell to ground level

    32 Sherrardspark Road Welwyn Garden City AL8 7JS

    Received 4 Apr 2025
  17. Decided - Granted6/2020/1024/EM

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

    95 Ludwick Way Welwyn Garden City AL7 3PL

    Received 17 Apr 2020
  18. Decided - Granted6/2022/2063/EM

    Bush removed and gates added to fence

    74 Rowans Welwyn Garden City AL7 1PD

    Received 5 Sept 2022
  19. Decided6/2025/0293/TC

    1 x Lawson cypress tree in decline, remove to near ground level.

    8 Guessens Road Welwyn Garden City AL8 6QR

    Received 18 Feb 2025
  20. Decided - Granted6/2022/2695/COND

    Submission of details pursuant to condition 1 (materials) and condition 5 (cycle storage) on planning permission 6/2020/3457/FULL

    73 Bluebridge Road Brookmans Park Hatfield AL9 7UW

    Received 28 Nov 2022
  21. Decided6/2025/1775/TC

    Reduce 40ft cherry tree by 30% Reduce crab apple tree by 1-2m

    12 Digswell Road Welwyn Garden City AL8 7PA

    Received 21 Aug 2025
  22. Decided - Granted6/2025/1000/HOUSE

    Erection of a first floor rear extension, alterations to openings on rear and side elevations plus insertion of roof lantern to existing roof

    22 Youngs Rise Welwyn Garden City AL8 6RU

    Received 28 May 2025
  23. Decided - Granted6/2025/0095/EM

    Remove wall in front garden and install a driveway

    18 Mount Way Welwyn Garden City AL7 4LF

    Received 21 Jan 2025
  24. Decided - Refused6/2023/0617/EM

    Erection of single storey front extension, following demolition of existing porch and insertion of 2 No windows to side elevation, all including one-way privacy glass

    145 Blythway Welwyn Garden City AL7 1DS

    Received 20 Mar 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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