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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/0473/EMT

    1 x Oak to reduce crown by 25% to reduce back to previous reduction points or suitable growth point. Remove deadwood.

    35 Sherrardspark Road, Welwyn Garden City, AL8 7JY

    Received 1 Mar 2023
  2. Decided - Granted6/2024/2381/TPO

    Fell 1 x uprooted Turkish Oak and 1 x English Oak following storm damage. Covered by TPO 1054 (2023) W1

    42 Georges Wood Road Hatfield AL9 7BT

    Received 13 Dec 2024
  3. Appeal Decided - Dismissed6/2019/2852/FULL

    Retention of 3x scaffold racks, 6x containers and change of use of land from agriculture to Class B8 storage

    Howe Wood Farm, White Stubbs Lane, Bayford, Hertford, SG13 8QA

    Received 12 Nov 2019
  4. Decided - Granted6/2023/2487/HOUSE

    Erection of a single storey rear infill extension with interior alterations

    5 Coopers Road Little Heath Potters Bar EN6 1JG

    Received 13 Dec 2023
  5. Decided - Granted6/2026/0123/EM

    Replacement of existing interlocking concrete roof tiles with a like for like matched concrete interlocking roof tile, Marley Ludlow Plus, smooth Brown, through colour, smooth finish. Install dry ridge system and segmented dry verge system, colour matched to new tiles

    Council owned bungalows in Moss Green Welwyn Garden City AL7 3TE (Numbers 1-40 inclusive)

    Received 26 Jan 2026
  6. Decided - GrantedN6/2009/2685/FP

    ERECTION OF A SINGLE STOREY FLAT ROOFED REAR EXTENSION

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

    Received 16 Dec 2009
  7. Decided - Granted6/2016/1370/COND

    Approval of details reserved by condition 2 (Materials) on planning permission 6/2016/0338/HOUSE

    10 Reeves Court Welwyn AL6 9FU

    Received 5 Jul 2016
  8. Decided - Granted6/2020/2711/HOUSE

    Erection of a ground floor rear extension, first floor side extension above garage, front porch and the conversion of the garage into habitable space.

    323 St Albans Road West Hatfield AL10 9RJ

    Received 19 Oct 2020
  9. Decided - Withdrawn6/2025/2578/HOUSE

    Erection of a two storey rear extension with a crown roof, part single and part two storey side extension, single storey front extension to the existing garage, part conversion of the garage to habitable use and alterations to fenestration following the demolition of the existing chimneys and rear extensions

    118 Moffats Lane Hatfield AL9 7RW

    Received 15 Dec 2025
  10. DecidedW6/2007/0988/EM

    Siting of temporary sales office for new residential development (2 years); erection of temporary site hoarding to sales logos to site frontage. Installation of temporary sales sign. Erection of two temporary flagpoles with flags (2 years)

    Digswell Lodge Digswell Rise

    Received 2 Jul 2007
  11. Decided - GrantedN6/2004/0561/FP

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION, NEW CANOPY OVER FRONT DOOR

    18 Wilshere Road Welwyn AL6 9PX

    Received 14 Apr 2004
  12. Decided - GrantedN6/2006/0040/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    26 Marley Road Welwyn Garden City AL7 4BS

    Received 12 Jan 2006
  13. Decided - Granted6/2021/2705/EM

    Erection of single storey rear extension with insertion of 2 x roof lights

    25 Rooks Hill Welwyn Garden City AL8 6EU

    Received 17 Sept 2021
  14. Decided - Granted6/2018/2583/EM

    Replacement of rear door with brickwork and installation of window and alterations to openings

    392 Howlands Welwyn Garden City AL7 4HB

    Received 8 Oct 2018
  15. Decided - Granted6/2017/1908/EM

    Erection of a detached double garage following demolition of existing garage

    9 Mount Way Welwyn Garden City AL7 4LD

    Received 23 Aug 2017
  16. Decided - Granted6/2020/2462/EM

    Proposal for driveway to be built in front garden.

    118 Haldens Welwyn Garden City AL7 1DG

    Received 25 Sept 2020
  17. Decided - Granted6/2023/2419/HOUSE

    Conversion of loft to create habitable space accommodation with installation of rooflights, construction of rear dormer window and insertion of front gable window

    7 Newitt Court Welwyn AL6 9FY

    Received 1 Dec 2023
  18. Decided - Granted6/2023/1701/EM

    Erection of single storey rear extension

    111 The Commons Welwyn Garden City AL7 4RZ

    Received 14 Aug 2023
  19. Decided - Granted6/2016/1716/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory and alterations to existing walls

    17 Sefton Court, Welwyn Garden City, AL8 6WW

    Received 18 Aug 2016
  20. Appeal Decided - WithdrawnN6/2008/0871/MA

    ERECTION OF NURSING HOME WITH RESPITE CARE AND ANCILLARY SERVICES, FOLLOWING DEMOLITION OF EXISTING BUILDING

    59 London Road Woolmer Green Knebworth SG3 6JE

    Received 6 Jun 2008
  21. Decided - WithdrawnS6/2008/2112/FP

    ERECTION OF FRONT BOUNDARY WALL AND GATES

    30 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4AX

    Received 10 Nov 2008
  22. Decided - GrantedS6/2014/0164/FP

    Erection of single storey side extension

    65 Bluebridge Road, Brookmans Park, Hatfield, AL9 7UW

    Received 22 Jan 2014
  23. Decided - Granted6/2018/2327/HOUSE

    Installation of 1 x rear and 2 x front roof lights and 1 x rear dormer to facilitate loft conversion to habitable space

    20 Adele Avenue Digswell Welwyn AL6 0AU

    Received 11 Sept 2018
  24. Decided - Granted6/2023/1564/COND

    Submission of details pursuant to condition number 1 (materials samples), on planning permission 6/2020/2433/HOUSE

    9 Falcon Close Hatfield AL10 8QY

    Received 27 Jul 2023

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