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
40,115Searchable applications
300Recorded as pending
86%Approval rate · 33,648 approved or refused records
4,801Refused applications

28,847 approved · 4,801 refused · 2,205 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2008/1758/FP

    INSTALLATION OF TEN AIR CONDITIONING UNITS TO ROOF

    OCADO LTD, GYPSY MOTH AVENUE, HATFIELD, HERTFORDSHIRE, AL10 9BD

    Received 10 Sept 2008
  2. Decided - RefusedN6/2014/0613/S73A

    Variation of condition 1 (approved plan numbers) and 8 (approved landscape plan) of planning permission N6/2009/1164/DE

    6 Little Burrow, Welwyn Garden City, AL7 4SW

    Received 24 Mar 2014
  3. Decided - Granted6/2023/2202/HOUSE

    Erection of a single storey rear extension

    11 White Cross Drive Knebworth SG3 6FA

    Received 30 Oct 2023
  4. Decided - Granted6/2025/0627/EM

    Addition of solar panels to roof

    49 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 1 Apr 2025
  5. Decided - GrantedS6/2007/1704/MA

    ERECTION OF SINGLE STOREY SIDE AND BASEMENT LEVEL EXTENSIONS

    MYMWOOD HOUSE, SHEPHERDS WAY, BROOKMANS PARK, HERTFORDSHIRE, AL9 6NN

    Received 12 Nov 2007
  6. Decided - Granted6/2018/1429/COND

    Submission of details pursuant to condition 7 (Lighting Scheme) on planning N6/2015/1131/FP

    Garage Site to the rear of 39-53 Great Ganett Welwyn Garden City AL7 3DB

    Received 29 May 2018
  7. Decided - Granted6/2021/1608/EMH

    Erection of a party wall, as a result of a single storey rear extension

    5 Little Rivers Welwyn Garden City AL7 1QJ

    Received 19 May 2021
  8. Decided - Granted6/2022/1084/COND

    Submission of details pursuant to condition 9 (sustainable energy), 10 (car charging points), 11 (CCTV), 12 (privacy screens), 13 (landscaping) and 14 (materials) on planning permission 6/2021/2207/MAJ.

    Campus West The Campus Welwyn Garden City AL8 6BX

    Received 10 May 2022
  9. Decided - Granted6/2026/0586/COND

    Submission of details pursuant to condition number 22 (drainage scheme) on planning permission 6/2021/3422/MAJ

    Salisbury Square Hatfield AL9 5AD

    Received 1 Apr 2026
  10. Decided - Granted6/2017/0465/HOUSE

    Erection of single storey rear extension

    6 Bushey Close Welwyn Garden City AL7 3HD

    Received 10 Mar 2017
  11. Decided - Granted6/2025/1636/EM

    Installation of solar panels to rear roof of property and associated battery

    4 Thumbswood Welwyn Garden City AL7 4QE

    Received 30 Jul 2025
  12. Decided - Granted6/2022/1926/HOUSE

    Erection of single storey rear extension, front porch and conversion of garage

    110 Guessens Road Welwyn Garden City AL8 6RS

    Received 17 Aug 2022
  13. Decided - GrantedN6/2013/2453/DS

    Discharge of condition 3 (Root Protection Areas) of planning permission N6/2013/0365/FP

    90 Valley Road, Welwyn Garden City, AL8 7DP

    Received 20 Nov 2013
  14. Appeal Decided - Dismissed6/2022/2659/PN15

    Prior approval for the installation of H3G 16m street pole and additional equipment cabinets

    Knightsfield Street Works Knightsfield Welwyn Garden City AL8 7NQ

    Received 22 Nov 2022
  15. Decided - GrantedS6/2007/0168/LB

    CONVERSION OF UTILITY ROOM INTO SHOWER ROOM

    2 Hill Cottages Essendon Hill Essendon Hatfield AL9 6AN

    Received 31 Jan 2007
  16. Decided - GrantedW6/2014/1290/TE

    Removal of Conifer tree

    14 & 16 Green Acres, Welwyn Garden City, AL7 4LJ

    Received 17 Jun 2014
  17. Decided6/2026/0747/TC

    T1 Conifer (Cupressus / Leyland species) Fell to a standing monolith at approx 1 metre T2 Cherry (Prunus species) Remove one limb (as identified within the red outline on the attached photograph) and sever ivy at the base

    10 Marsden Close Welwyn Garden City AL8 6YE

    Received 27 Apr 2026
  18. Appeal Decided - Allowed6/2021/0889/EM

    Retention of new surfacing material and driveway extended to allow for one additional car space.

    59 Marsden Green Welwyn Garden City AL8 6YD

    Received 18 Mar 2021
  19. Decided - Granted6/2019/3234/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    24 Lark Rise Hatfield AL10 8RL

    Received 24 Dec 2019
  20. Decided - Granted6/2024/0708/TPO

    T1 Scots pine to reduce by approximately 1.2m in height and width, remove broken/hanging limb. Reduction works are to lesson the weight on decayed area as main top of the tree is leaning over the driveway entrance

    The Grange 3 Codicote Road Welwyn AL6 9LY

    Received 16 Apr 2024
  21. Decided - GrantedS6/2007/0560/LU

    CERTIFICATE OF LAWFULNESS FOR THE PROPOSED ERECTION OF A REAR SUMMER HOUSE

    64 Georges Wood Road Brookmans Park Hatfield AL9 7BU

    Received 4 Apr 2007
  22. Decided - Granted6/2018/2980/FULL

    Erection of office building,tractor/maintenance shed,2x classroom blocks and new bag store room following demolition of existing buildings and Nissen Hut

    Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR

    Received 19 Nov 2018
  23. Decided - Withdrawn6/2018/3210/TPO

    Fell Conifer hedging and replace with a varied mix of shrubs, two small trees and herbaceous perennials and reduce 3 x Lime trees by 1/3 - conservation area

    8 Guessens Road Welwyn Garden City AL8 60R

    Received 17 Dec 2018
  24. Decided - Granted6/2016/1579/EM

    Conversion of existing garage and existing loft to include insertion of front and rear dormers

    30 Sherrardspark Road, Welwyn Garden City, AL8 7JS

    Received 29 Jul 2016

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