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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/0875/DS

    DISCHARGE OF CONDITIONS 3 LEVELS AND 7 VEHICULAR ACCESS

    4 Harmer Green Lane Digswell Welwyn AL6 0AD

    Received 13 Jun 2008
  2. Decided - Refused6/2019/2716/HOUSE

    Erection of part single, part two storey side extension with alterations to openings to include relocation of entrance door and single storey extension to garage with the installation of new garage doors

    74 Rosedale Welwyn Garden City AL7 1DR

    Received 29 Oct 2019
  3. Decided - Withdrawn6/2022/2848/FULL

    Erection of three storey building comprised of 6 flats following demolition of existing dwelling

    Heathfield Lodge Great North Road Little Heath Potters Bar Hertfordshire EN6 1JD

    Received 16 Dec 2022
  4. Decided - GrantedN6/2014/1759/TP

    Felling of 2 Norway Maple trees covered by TPO42 (group)

    30 London Road, Welwyn, AL6 9JD

    Received 6 Aug 2014
  5. Decided - Refused6/2023/0822/HOUSE

    Increase roof height to incorporate loft conversion, raising eaves to rear and new rear dormer

    25 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

    Received 18 Apr 2023
  6. Decided - GrantedS6/2015/0336/DS

    Approval of details reserved by condition 3 (Tree Protection Measures) of S6/2014/2513/FP

    9 Birch Drive Hatfield AL10 8NX

    Received 19 Feb 2015
  7. Decided - Granted6/2020/2797/EM

    Repair work to current driveway and hardstanding at front of property.

    17 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 26 Oct 2020
  8. Decided - Granted6/2020/3199/HOUSE

    Erection of a single storey side, single storey rear/side extension and alterations to fenestration

    20 Monks Rise Welwyn Garden City AL8 7NF

    Received 30 Nov 2020
  9. Decided - Granted6/2020/1582/HOUSE

    Erection of a single storey rear extension

    24 Windsor Road Welwyn AL6 9JJ

    Received 2 Jul 2020
  10. Decided - Granted6/2023/1427/HOUSE

    Erection of a single storey rear extension, insertion of new obscure window to flank wall and enclosing of existing front canopy to create porch

    10 Bakers Grove Welwyn Garden City AL7 2DQ

    Received 10 Jul 2023
  11. Decided - Granted6/2019/1396/HOUSE

    Erection of a single storey rear, two storey side and single storey front extension, and installation of rear dormer

    63 Peplins Way Brookmans Park Hatfield AL9 7UR

    Received 11 Jun 2019
  12. Decided - Granted6/2024/0119/COND

    Submission of details pursuant to condition 1 (Methodology for Roof Re-tiling) on consent ref: 6/2023/1596/LB

    24 Church Street Hatfield Hertfordshire AL9 5AW

    Received 22 Jan 2024
  13. Decided - Granted6/2024/1966/HOUSE

    Erection of a single storey rear and front infill extension with porch. Patio, fenestration, and roof alterations including part resurfacing and change of colour

    42 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 14 Oct 2024
  14. Decided - Granted6/2026/0614/ADV

    Installation of 1x non-illuminated fascia sign

    12 Durkan Ltd Little Burrow Welwyn Garden City AL7 4SW

    Received 8 Apr 2026
  15. Decided - Refused6/2021/0041/EM

    Change of materials from polycarbonate to tiled on existing conservatory roof to match main property roof

    8 Barnfield Road Welwyn Garden City AL7 3TQ

    Received 7 Jan 2021
  16. Decided - Granted6/2019/2587/VAR

    Variation of condition 4 (approved drawings) on planning permission 6/2017/2972/FULL

    Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR

    Received 15 Oct 2019
  17. Decided - RefusedN6/2013/2117/DS

    Request for confirmation that conditions attached to planning permission N6/2011/1405/FP (Erection of new dwelling) have been complied with

    216 Knella Road, Welwyn Garden City, AL7 3NW

    Received 4 Oct 2013
  18. Decided - RefusedS6/2007/1097/FP

    ERECTION OF DETACHED GARAGE AND ATTACHED ENERGY STOREROOM

    Linden Lodge Bulls Lane Hatfield AL9 7BB

    Received 23 Jul 2007
  19. Decided - GrantedS6/2013/1982/LUP

    Loft Conversion incorporating hip to gable roof alteration and rear dormer

    83 Bluebridge Road, Brookmans Park, Hatfield, AL9 7UN

    Received 16 Sept 2013
  20. Decided - Refused6/2022/1741/HOUSE

    Erection of single storey side and rear extension and garage conversion, following demolition of conservatory

    41 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 25 Jul 2022
  21. Decided - Granted6/2025/1847/EM

    Proposed Driveway

    1 Wren Wood Welwyn Garden City AL7 1QF

    Received 29 Aug 2025
  22. Decided - GrantedN6/2013/1754/FP

    Erection of single storey side and rear extension

    2 The Paddocks, Welwyn Garden City, AL7 2BP

    Received 12 Aug 2013
  23. Decided - Granted6/2023/2256/HOUSE

    Erection of a single storey rear extension

    111 The Commons Welwyn Garden City AL7 4RZ

    Received 8 Nov 2023
  24. Decided - Granted6/2017/0576/TPO

    Fell one Lime tree and crown reduce second Lime tree by 30% - Conservation Area

    9 Little Youngs Welwyn Garden City AL8 6SL

    Received 21 Mar 2017

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