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
40,163Searchable applications
309Recorded as pending
86%Approval rate · 33,679 approved or refused records
4,801Refused applications

28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2004/1350/EM

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE EXTENSION

    2 Valley Road, Welwyn Garden City, AL8 7DF

    Received 6 Sept 2004
  2. Decided - GrantedS6/2015/0836/DS

    Approval of details reserved by condition 3 (materials) & 4 (hard/soft landscaping) of planning permission S6/2014/2395/FP

    67 Mymms Drive, Hatfield, AL9 7AA

    Received 16 Apr 2015
  3. Decided - Refused6/2021/0039/FULL

    Erection of a single dwellinghouse

    6 The Brambles Welwyn AL6 0PG

    Received 7 Jan 2021
  4. Decided - GrantedW6/2014/2376/EM

    Replacement of side and front walls surrounding small courtyard and removal and replacement of front and side garden hedge

    56 Bridge Road, Welwyn Garden City, AL8 6UR

    Received 28 Oct 2014
  5. Decided - Granted6/2021/3211/EMT

    T1-Tree of Heaven-Crown reduce by 30% to maintain size and shape in front garden. T2-Lime x 2-Crown reduce by 30% to maintain size and shape in rear garden.

    338 Knightsfield Welwyn Garden City AL8 7NQ

    Received 9 Nov 2021
  6. Decided - Granted6/2024/2243/HOUSE

    Erection of front boundary wall with railings and gates

    23 Mymms Drive Brookmans Park AL9 7AE

    Received 21 Nov 2024
  7. Decided - GrantedN6/2004/0354/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    21 Uplands Welwyn Garden City AL8 7EN

    Received 10 Mar 2004
  8. Decided - Refused6/2022/0905/LAWP

    Certificate of lawfulness for the erection of an outbuilding to facilitate utility room

    16 Great North Road Welwyn AL6 0PL

    Received 19 Apr 2022
  9. Decided - Split6/2018/1310/COND

    Submission of details pursuant to condition 4 (construction management plan, traffic plan, services isolation statement and method statement) and 13 (external lighting plan) on planning permission 6/2016/2624/FULL, dated 14/09/2017

    Mercury House 1 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 17 May 2018
  10. Decided - Granted6/2021/0288/LB

    Erection of timber posts with lighting, alterations to existing pergola roof, installation of planter troughs to replace existing gate and erection of close board fenced gate and posts. Internal installation of hard flooring and carpet on ground floor with existing timber floor to be lightly sanded, alteration of hearth to stone slab, installation of first floor fire resistant wall, and installation of first floor fire doors.

    Eight Bells 2 Park Street Hatfield AL9 5AX

    Received 1 Feb 2021
  11. Decided - Granted6/2016/1254/EM

    Reduce & shape Beech tree by up to 40%

    7 & 8 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 23 Jun 2016
  12. Decided - Granted6/2021/2342/EM

    Replacement like for like roof, addition of membranes and battens and reduction of chimney by 2/3 with additional works

    49 Howlands Welwyn Garden City AL7 4RA

    Received 6 Aug 2021
  13. Decided - GrantedN6/2009/2041/AD

    INSTALLATION OF A FASCIA SIGN

    PANSHANGER GOLF CLUB, OLD HERNS LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2ED

    Received 18 Sept 2009
  14. Decided - SplitS6/2013/1860/LUE

    Certificate of lawfulness for the use of land and buildings for the sale, maintenance, repair and servicing of caravans and trailers, sale and fitting of tow bars and sale of parts and accessories together with the hire of trailers and associated sale display areas and parking facilities.

    G T TOWING, Great North Road, Hatfield, AL9 5SD

    Received 27 Aug 2013
  15. Decided - Granted6/2021/3437/EM

    Erection of a single storey rear extension, internal alterations and associated works, involving demolition of existing rear conservatory

    12 Marsden Road Welwyn Garden City AL8 6XZ

    Received 8 Dec 2021
  16. Decided - RefusedN6/2009/1361/CA

    DEMOLITION OF SEMI-DETACHED GARAGE AND REAR STORE

    1 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU

    Received 22 May 2009
  17. Decided - Granted6/2022/0464/HOUSE

    Erection of single storey rear extension

    12 Canonsfield Welwyn Hertfordshire AL6 0QD

    Received 28 Feb 2022
  18. Decided - Granted6/2018/1490/HOUSE

    Erection of single storey rear extension and rear garden landscaping

    52 Carleton Rise Welwyn AL6 9RG

    Received 4 Jun 2018
  19. Decided - Granted6/2021/0331/FULL

    Change of use of land from amenity to residential and the erecton of a picket fence at the boundary no higher than 40 cm.

    13 Stag Green Avenue Hatfield AL9 5EB

    Received 3 Feb 2021
  20. Decided - GrantedN6/2004/1002/FP

    ERECTION OF REAR CONSERVATORY

    44 Longcroft Gardens Welwyn Garden City AL8 6JR

    Received 2 Jul 2004
  21. Decided - RefusedW6/2006/0395/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY SIDE AND REAR EXTENSIONS

    103 Ridgeway, Welwyn Garden City, AL7 2DB

    Received 27 Mar 2006
  22. Decided - Granted6/2018/2282/HOUSE

    Erection of single storey rear extension

    14 Wellington Drive Welwyn Garden City AL7 2NJ

    Received 6 Sept 2018
  23. Decided - GrantedS6/2004/1056/DT

    ERECTION OF 12 METRE POLE, 6 ANTENNA AND 2 GROUND BASED EQUIPMENT CABINETS AND ANCILLARY DEVELOPMENT

    LAND AT JUNCTION OF, SWANLEY BAR LANE AND A1000, POTTERS BAR, HERTFORDSHIRE, AL9 6LB

    Received 9 Jul 2004
  24. Decided - Granted6/2015/2261/FULL

    Erection of a two storey office/storage/staff room building to existing scaffolding yard

    23 Burrowfield, Welwyn Garden City, AL7 4SS

    Received 5 Nov 2015

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

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Researching a proposal in Welwyn Hatfield Borough Council

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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