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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2021/0044/PN6

    Prior approval for the retention of access track and planting of grass strip on access track for agricultural use

    Land North of Friday Grove Farm Hawkshead Road Little Heath Potters Bar EN6 1NB

    Received 7 Jan 2021
  2. Appeal Decided - Dismissed6/2025/2268/FULL

    Erection of fence facilitating change of use of amenity land to residential garden

    30 Honeysuckle Gardens Hatfield AL10 8PJ

    Received 24 Oct 2025
  3. Decided - RefusedN6/2007/0597/FP

    ERECTION OF TWO STOREY AND PART SINGLE STOREY SIDE EXTENSION

    1 The Avenue Welwyn AL6 0PN

    Received 16 Apr 2007
  4. Decided - Granted6/2022/2078/HOUSE

    Erection of single storey rear extension & part garage conversion

    8 Elsons Mews Welwyn Garden City Hertfordshire AL7 1FP

    Received 7 Sept 2022
  5. Decided - GrantedC6/1987/0413/FP

    Single storey rear extension

    33 Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 1 Jan 1987
  6. Decided - Granted6/2022/2113/PN8

    Prior approval for the erection of rear extension

    137 Knella Road Welwyn Garden City Hertfordshire AL7 3NT

    Received 12 Sept 2022
  7. Decided - Granted6/2018/2640/HOUSE

    Formation of raised decking with associated landscaping works

    7 Turpins Ride Welwyn AL6 0QS

    Received 15 Oct 2018
  8. Decided - GrantedW6/2009/1844/EM

    ERECTION OF SINGLE STOREY GARAGE FOLLOWING DEMOLITION OF EXISTING GARAGE, REMOVAL OF CHIMNEY STACK AND ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION

    7 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BA

    Received 28 Aug 2009
  9. Decided - Granted6/2019/2535/HOUSE

    Erection of single storey first floor side and rear extension, installation of 1 x front facing dormer and 1 x rear facing dormer, and installation of 1 x rear Juliette balcony

    4 Hillside Way Welwyn AL6 0TY

    Received 9 Oct 2019
  10. Decided6/2024/0492/TC

    Line of Leyland cypress to reduce in height to leave 3.5-4m above ground level - see annotated picture.

    19 Beehive Green Welwyn Garden City AL7 4BE

    Received 13 Mar 2024
  11. Decided - Granted6/2017/1974/FULL

    Installation of Condenser Plant

    John Lewis Plc Bridge Road Welwyn Garden City AL8 6TP

    Received 4 Sept 2017
  12. Decided - Granted6/2015/2014/EM

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

    7 Youngs Rise, Welwyn Garden City, AL8 6RT

    Received 30 Sept 2015
  13. Decided - Withdrawn6/2016/2697/HOUSE

    Conversion of garage to habitable space.

    17 Selwyn Crescent Hatfield AL10 9NL

    Received 20 Dec 2016
  14. Decided - RefusedN6/2013/1769/AD

    Installation of 4.5 totem double sided, free standing structure

    Premier Inn, The Stanborough, Stanborough Road, Welwyn Garden City, AL8 6XD

    Received 15 Aug 2013
  15. Decided - GrantedN6/2014/2495/TC

    Fell a group of Robinia trees

    Land adj to, 24 Moorlands, Welwyn Garden City, AL7 4PP

    Received 14 Nov 2014
  16. Decided - Granted6/2018/1346/HOUSE

    Erection of a single storey rear extension, installation of 2 rear rooflights and alterations to existing rear extension roof materials

    15 Woodgate Avenue Northaw Potters Bar EN6 4EW

    Received 21 May 2018
  17. Decided - RefusedN6/2006/0250/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION, FRONT PORCH AND REAR CONSERVATORY

    17 Turpins Chase Welwyn AL6 0QZ

    Received 28 Feb 2006
  18. Decided - Granted6/2020/0910/HOUSE

    Erection of a first floor rear extension

    6 Colesdale Cuffley Potters Bar EN6 4LQ

    Received 21 Apr 2020
  19. Decided - Granted6/2018/2194/HOUSE

    Erection of part single storey part first floor front extension

    27 Newgate Street Village Hertford SG13 8RA

    Received 23 Aug 2018
  20. Decided - Granted6/2025/1359/HOUSE

    Erection of a single storey rear extension, following demolition of conservatory, part garage conversion and replacement ground floor window on side elevation

    131 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 30 Jun 2025
  21. Decided - GrantedN6/2004/1735/FP

    ERECTION OF REAR CONSERVATORY

    4 Scotts View Welwyn Garden City AL8 6HF

    Received 24 Nov 2004
  22. Decided - GrantedN6/2007/0707/FP

    ERECTION OF REAR CONSERVATORY AND PORCH

    7 Aspen Way Welwyn Garden City AL7 1HR

    Received 4 May 2007
  23. Decided - Granted6/2019/2436/EM

    Formation of hardstanding and soft landscaping

    7 Elmwood Welwyn Garden City AL8 6LD

    Received 30 Sept 2019
  24. Decided - GrantedW6/2004/1085/EM

    FORMATION OF VEHICLE HARDSTANDING

    2 Downfields, Welwyn Garden City, AL8 6XR

    Received 15 Jul 2004

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

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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