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
40,102Searchable applications
300Recorded as pending
86%Approval rate · 33,637 approved or refused records
4,800Refused applications

28,837 approved · 4,800 refused · 2,204 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2004/0394/TP

    WORK TO TREES COVERED BY TPO 291

    Glenside Vineyards Road Northaw Potters Bar EN6 4PF

    Received 12 Mar 2004
  2. Decided - Granted6/2021/0482/HOUSE

    Demolition of existing conservatory and erection of new ground floor rear extension, addition of new external door to side wall to replace existing pedestrian side gate

    4 Kingsley Court Welwyn Garden City AL7 4HZ

    Received 15 Feb 2021
  3. Decided - RefusedN6/2013/1797/NM

    Non material amendment following approval of planning permission N6/2013/0783/FP - rear extension to ground floor side extension

    59 Blakemere Road, WELWYN GARDEN CITY, AL8 7PQ

    Received 21 Aug 2013
  4. Decided - GrantedW6/2015/0921/EM

    Erection of a part single part two storey rear extensions and alterations to openings

    10 High Grove, Welwyn Garden City, AL8 7DW

    Received 5 May 2015
  5. Decided - Granted6/2023/0176/LB

    Internal alterations to partitions. Altering a door to a window and a window to a door. Alterations to patio fencing

    The Beehive Beehive Lane Welwyn Garden City AL7 4BW

    Received 24 Jan 2023
  6. Decided - Granted6/2017/1053/EM

    Erection of single storey rear extension at ground level following demolition of existing single storey extension.

    2 Hitherway Welwyn Garden City AL8 7RG

    Received 15 May 2017
  7. Decided - Granted6/2023/1396/EMT

    4 x limes to re pollard back to previous pruning points. (2nd from left to reduce past pruning point by further 1m) 2 x Cherry Plum to reduce back to previous pruning points 1 x Oak to reduce by around 1.2m height & 1m width

    12 Guessens Road, Welwyn Garden City, AL8 6QR

    Received 5 Jul 2023
  8. Decided - Refused6/2025/2542/HOUSE

    Retention of single storey rear conservatory and side storage

    66 The Meadway Cuffley Potters Bar EN6 4ES

    Received 9 Dec 2025
  9. Decided - Granted6/2026/0202/TPO

    TPO 250 T2-Yew tree-To cut back by 2-3 metres from the roofs for clearance off the roofs T3- Holm Oak (Tag-1380) - to cut back by 2-3 metres to clear the church roof

    St Marys Church Church Hall Church Street Welwyn AL6 9LX

    Received 5 Feb 2026
  10. Decided - Granted6/2024/1077/HOUSE

    Formation of porch infill extension, works to the roof including; raising the roof ridge height with extension of the existing eaves, installation of new front dormer, front rooflights, works to the existing roof of the single storey side extension and alterations to the fenestration

    7 Thrush Lane Cuffley Potters Bar EN6 4JU

    Received 11 Jun 2024
  11. Decided - GrantedN6/2015/0651/DS

    Approval of conditions 3 (landscaping) of planning permission N6/2014/1261/FP

    2 Sheepcote, Welwyn Garden City, AL7 4QD

    Received 26 Mar 2015
  12. Decided - Granted6/2016/1301/EM

    Erection of single storey rear extension and internal alterations

    28 Autumn Grove, Welwyn Garden City, AL7 4DB

    Received 28 Jun 2016
  13. Decided - Refused6/2021/2211/EM

    Construction of 2x two-storey detached houses and associated parking and access on the land to the rear of 52 & 54 Bridge Road.

    52 Bridge Road Welwyn Garden City AL8 6UR

    Received 21 Jul 2021
  14. Decided - RefusedW6/2013/0926/EM

    Conversion of 3 bed dwelling to form 2, two bed dwellings

    257 Heronswood Road, WELWYN GARDEN CITY, AL7 3JJ

    Received 23 Apr 2013
  15. Decided - GrantedW6/2009/0551/EM

    ERECTION OF SATELLITE DISH

    173 HERONSWOOD ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3EJ

    Received 26 Mar 2009
  16. Decided6/2019/0788/TC

    Fell 1x Conifer Tree (T1) and reduce Conifer hedge (G2)to 3m- Conservation area

    41 Elmwood Welwyn Garden City AL8 6LD

    Received 2 Apr 2019
  17. DecidedN6/2008/2187/TE

    REDUCE ASH TREE IN REAR GARDEN BY 25%

    29 SHEEPCOTE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4QA

    Received 19 Nov 2008
  18. Decided - Granted6/2022/0838/HOUSE

    Erection of single storey front extension, enlargement of existing windows, raising ridge of existing rear roof to match main ridge height, new rear dormers with living space in the roof, fenestration alterations, external brickwork painted white and internal amendments

    5 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 6 Apr 2022
  19. Decided - GrantedS6/2009/1596/LU

    CERTIFICATE OF LAWFULNESS FOR THE REMOVAL OF INTERIOR (PARTY) WALL TO ENABLE CONVERSION OF TWO CONTINUOUS TERRACE PROPERTIES INTO ONE PROPERTY

    33 & 34 PARK MEADOW, HATFIELD, HERTFORDSHIRE, AL9 5HA

    Received 28 Jul 2009
  20. Decided - Refused6/2022/0025/EM

    Conversion of garage to habitable use, erection of a single storey front extension, conversion of loft space to habitable use with insertion of 2 x rear dormers, and erection of raised patio

    13 Colgrove Welwyn Garden City AL8 6HY

    Received 5 Jan 2022
  21. Decided - Granted6/2016/1871/TPO

    Reduce Oak tree by 30% covered by TPO 108 (1986)

    9 Mardley Wood Welwyn AL6 0UY

    Received 12 Sept 2016
  22. Decided6/2021/2612/TC

    Fell 1 x Hornbeam tree covered by a conservation area

    11 Hillside Welwyn Garden City AL7 4PZ

    Received 8 Sept 2021
  23. Decided - GrantedN6/2005/1575/FP

    ERECTION OF NEW CUSTOMER COLLECTIONS ENTRANCE DOORS AND SIDE SCREENS

    John Lewis PLC Bridge Road Welwyn Garden City AL8 6TP

    Received 21 Dec 2005
  24. Decided - GrantedS6/2009/1059/FP

    FORMATION OF NEW SHOP FRONT

    MCDONALDS RESTAURANTS LTD, 68 THE GALLERIA, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0XY

    Received 20 May 2009

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