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
37,145Searchable applications
335Recorded as pending
86%Approval rate · 30,967 approved or refused records
4,294Refused applications

26,673 approved · 4,294 refused · 1,999 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/0776/FP

    DEMOLITION OF EXISTING BUNGALOW AND ERECTION OF 2 SEMI-DETACHED CHALET STYLE BUNGALOWS

    14 The Drive Welwyn AL6 0TR

    Received 14 May 2008
  2. Decided - GrantedN6/2008/1429/FP

    ERECTION OF AERIAL

    MOORLANDS MOTOR CO, MOORLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4PW

    Received 29 Aug 2008
  3. Decided - Refused6/2017/2971/EM

    Erection of a detached, part single, part two storey, two-bedroom dwelling

    6 The Links Welwyn Garden City AL8 7DS

    Received 28 Dec 2017
  4. Decided - Granted6/2024/0926/EMT

    Remove 15m of mixed hedging (holly, hawthorn and hazel) from rear of detached garage to first boundary point with 14 Meadow Green

    7 Handside Close Welwyn Garden City AL8 6SR

    Received 17 May 2024
  5. Decided6/2026/1617/TC

    1 x Apple to reduce by approximately 2.5m height and 2m width

    25 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 17 Sept 2026
  6. Appeal Decided - Dismissed6/2017/2957/HOUSE

    Erection of ground floor extension & construction of a basement following evacuation and demolition of existing pool area and removal of external paving and terraced areas

    Wildewood Kentish Lane Brookmans Park Hatfield AL9 6JG

    Received 20 Dec 2017
  7. Decided - Granted6/2016/2640/LAWP

    Erecction of a swimming pool enclosure, a 4-car garage and a gym/gameroom/home office/store outbuildings (Application for a Lawful Development Certificate for a Proposed Use or Development)

    Carramore House 50 Vineyards Road Northaw Potters Bar EN6 4PD

    Received 12 Dec 2016
  8. Decided - GrantedN6/2014/1433/FP

    Erection of single storey rear extension

    26 Colgrove, Welwyn Garden City, AL8 6HU

    Received 26 Jun 2014
  9. Decided6/2018/0935/TPO

    Crown reduction of 1 x Oak tree by 25% - Conservation area

    15 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 5 Apr 2018
  10. Decided - Refused6/2020/0569/HOUSE

    Increase in height of part of dwelling, alterations to openings and installation of rear dormer

    2 Marshmoor Cottages, Great North Road, Hatfield, AL9 5SD

    Received 27 Feb 2020
  11. Decided - Granted6/2017/1304/LAWP

    Certificate of lawfulness for the erection of a single storey side extension at ground level to existing garage.

    Brick Kiln Cottage 7 Homerswood Lane Ayot St Peter Welwyn AL6 9AD

    Received 12 Jun 2017
  12. Decided - Granted6/2025/0671/HOUSE

    Installation of front dormer

    16 Wood View Cuffley Potters Bar EN6 4RE

    Received 7 Apr 2025
  13. Decided - Granted6/2018/1785/EM

    Alterations to existing doors and windows

    3 Coneydale Welwyn Garden City AL8 7RX

    Received 9 Jul 2018
  14. Decided - Refused6/2018/0397/EM

    Erection of rear conservatory - retrospective

    11 The Moors Welwyn Garden City AL7 1QR

    Received 5 Feb 2018
  15. Decided - Granted6/2019/1202/HOUSE

    Erection of part single storey, part two storey rear extension following demolition of existing rear conservatory, alterations to fenestration and to rear garden landscaping

    42 Valley Road Welwyn Garden City AL8 7DN

    Received 17 May 2019
  16. Decided - GrantedW6/2013/2568/EM

    Erection of two storey side extension and single storey rear extension and part garage conversion

    4 Beehive Lane, Welwyn Garden City, AL7 4BA

    Received 4 Dec 2013
  17. Decided - Split6/2020/0736/COND

    Submission of details pursuant to condition 1 (surface water drainage scheme) and 5 (arboricultural method statement) on planning permission 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 16 Mar 2020
  18. Decided - Granted6/2021/2316/FULL

    Installation of WeBuyAnyCar pod in Morrisons supermarket car park

    WM Morrison Supermarkets PLC Black Fan Road Welwyn Garden City AL7 1RY

    Received 4 Aug 2021
  19. Decided - Granted6/2016/2053/EM

    2x Lawson Cypress, to dismantle to ground level, 5x Holly's, to dismantle to ground level 1x Ash reduce extended laterals by approximately 2m, remove deadwood and reduce low limb overhanging neighbouring property by 2meters. Left hand boundary - A selection of 4 Sycamores and 6 Hollys to dismantle to ground level

    43 Digswell Rise, Welwyn Garden City, AL8 7PP

    Received 30 Sept 2016
  20. Decided - Granted6/2026/1112/HOUSE

    Proposed erection of a detached garden room/studio building within the rear garden

    54 St Etheldredas Drive Hatfield AL10 8BZ

    Received 26 Jun 2026
  21. Decided - Refused6/2020/1894/LAWP

    Certificate of lawfulness for the erection of a two-storey rear extension.

    Tylers Cottage Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 31 Jul 2020
  22. Decided - Granted6/2023/2081/HOUSE

    Erection of a single storey rear extension and single storey side extension to link up with a garage conversion, solar panels, air condition/ashp unit, new side gate, cycle store and landscaping works

    21 St Josephs Green Welwyn Garden City AL7 4TT

    Received 11 Oct 2023
  23. Decided - Granted6/2024/0582/HOUSE

    Formation of bay window to front elevation

    102 Wheatley Road Welwyn Garden City AL7 3LE

    Received 25 Mar 2024
  24. Decided - Withdrawn6/2017/0751/EM

    Erection of first floor extension including raising of roof level and conversion of loft, erection of single storey rear extension and alterations to openings and refurbishment. Relocation of existing garage and enlargement of existing hard standing.

    10 Mannicotts Welwyn Garden City AL8 7BW

    Received 22 Mar 2017

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