PlanningTrack
Get started

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28,876 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - RefusedC6/1988/0453/FP

    Variation of condition 2 to Planning Permission Ref. No. C6/0595/87/FP to allow the petrol filling station and convenience store to open between 0600 to 2300 hours

    Stadium Service Station Stanborough Road Welwyn Garden City AL8 6XA

    Received 1 Jan 1988
  2. Decided - Granted6/2016/1900/HOUSE

    Erection of single storey rear extension and replacement window to Bathroom

    16 Mill Lane Welwyn AL6 9ET

    Received 14 Sept 2016
  3. Decided - Granted6/2017/0826/PN8

    Prior approval for single storey rear extension measuring 4m in depth, 3.6m in height and 2.6m to the eaves

    288 Bishops Rise Hatfield AL10 9QT

    Received 21 Apr 2017
  4. Decided - GrantedW6/2014/0514/EM

    Erection of single storey side extension following the demolition of existing conservatory

    14 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 11 Mar 2014
  5. Decided - Granted6/2024/2437/FULL

    Change of use from parking space to space used for walk in fridge and erection of fridge

    39E Town Centre Hatfield AL10 0JJ

    Received 30 Dec 2024
  6. Decided6/2022/2771/TC

    T1-Cherry-Crown reduce all round by 2-3 metres to maintain size and shape.

    9 Fearnley Road Welwyn Garden City AL8 6HW

    Received 6 Dec 2022
  7. Appeal Decided - Dismissed6/2019/0154/HOUSE

    Retention of single storey side and rear extension and first floor rear extension following demolition of garage

    15 Northaw Road West Northaw Potters Bar EN6 4NW

    Received 25 Jan 2019
  8. Decided - GrantedC6/1987/0626/FP

    Two storey rear and single storey side extension and new front porch

    36 Marley Road, Welwyn Garden City, AL7 4BS

    Received 1 Jan 1987
  9. Decided - Granted6/2018/2943/MAJ

    Refurbish and replace existing facilities with new build to provide replacement teaching and research facilities and associated landscape improvements following demolition of existing

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 15 Nov 2018
  10. Decided - Withdrawn6/2022/1642/EMT

    Fell 3 Contoneaster as trees are dead

    33 Bridge Road Welwyn Garden City AL8 6UG

    Received 12 Jul 2022
  11. Decided - Refused6/2020/0257/FULL

    Subdivision to facilitate the erection of 2 x dwellings, with associated landscaping, formation of car and cycle spaces and bin storage

    1 Waterworks Cottages, Bishops Rise, Hatfield, AL10 9HJ

    Received 29 Jan 2020
  12. Decided - Granted6/2020/3321/PN8

    Prior Approval for the erection of a rear extension with flat roof 4.00m in depth, 3.00m in height and 2.80m to the eaves.

    56 Honeysuckle Gardens Hatfield AL10 8PJ

    Received 10 Dec 2020
  13. Decided - Granted6/2018/1412/EM

    Erection of single storey rear extension following demolition of existing

    4 Moorlands Welwyn Garden City AL7 4PP

    Received 29 May 2018
  14. Decided - Granted6/2021/1115/EM

    Construction of new driveway at front of property

    70 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 6 Apr 2021
  15. Decided - Granted6/2025/1757/EMT

    T1 Prunus Autumnalis, fell to ground level

    47 Elmwood Welwyn Garden City AL8 6LD

    Received 18 Aug 2025
  16. Decided - WithdrawnW6/1990/5134/EM

    Erection of Conservatory

    7 Somersham Welwyn Garden City AL7 2PZ

    Received 1 Jan 1990
  17. Decided - Granted6/2015/1710/HOUSE

    Erection of single storey side extension

    90 Lords Wood Welwyn Garden City AL7 2HG

    Received 10 Aug 2015
  18. Decided - Split6/2022/2300/COND

    Submission of details pursuant to condition numbers - 1 (Construction Management Plan), 5 (Surface Water Strategy), 6 (Surface Water Scheme), 7 (Drainage), 8 (Foundation), 9 (Design Plan), 10 (Accessible Housing Scheme), 11 (Highway Improvment), 12 (Samples), 13 (Hard Landscaping), 14 (Soft Landscaping), 15 (Hard landscaping - roof garden), 16 (external lighting), 17 (Cycle Store), 18 (Cycle Store under-croft/Open air), 19 (Balcony Screens), 20 (Energy & Sustainability Statement), 21 (PV Cells Plan), 22 (Bat & Bird Boxes), 23 (Noise Compliance), 24 (Noise Compliance), 26 - (SuDS), 27 (Access), 28 (EV Charging Points), 29 (Parking), 30 (Bin Stores), 31 (Roof Gardens), on planning permission 6/2020/3222/MAJ

    Beadles Volkswagen Van Centre Harpsfield Broadway Hatfield AL10 9TF

    Received 3 Oct 2022
  19. Decided - GrantedN6/2009/0056/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    Holly Lodge 5B Roundabout Lane Welwyn AL6 0TH

    Received 9 Jan 2009
  20. Decided - Refused6/2021/0984/FULL

    Insertion of new front door into side elevation and internal alterations to create 2 self contained units providing 1 x 2 bedroom 3 person flat and 1 x 1 bedroom 1 person flat.

    11 Nash Close Welham Green Hatfield AL9 7NN

    Received 25 Mar 2021
  21. Decided - Granted6/2017/2653/HOUSE

    Erection of single storey rear extensions and alterations to existing garage

    3 Pentley Close Welwyn Garden City AL8 7SH

    Received 14 Nov 2017
  22. Decided - GrantedN6/2013/1179/FP

    Change of use of land to car washing, valeting (sui generis) and canopy

    Land at 14 Southfield, Welwyn Garden City, AL7 4ST

    Received 5 Jun 2013
  23. Decided - Granted6/2025/1077/COND

    Submission of details pursuant to condition number 4 (Landscape plans), on planning permission 6/2023/0096/FULL

    104 Brookmans Avenue Brookmans Park AL9 7QQ

    Received 6 Jun 2025
  24. Under Consideration6/2025/1299/COND

    Submission of details pursuant to condition 14 (Minerals) on planning permission 6/2021/0516/VAR

    Land at Panshanger Welwyn Garden City AL7 2QJ

    Received 20 Jun 2025

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

View all applications

Applications by postcode area

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities