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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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. Under Consideration6/2020/1597/COND

    Submission of details pursuant to condition 6 (pre-completion testing) and condition 7 (approval of acoustic barriers) on planning permission 6/2018/2085/FULL

    The East Great North Road Welwyn Garden City AL8 7TB

    Received 6 Jul 2020
  2. Decided - GrantedS6/2006/0571/LB

    ALTERATIONS TO INTERIOR AND EXTERIOR OF BUILDINGS, DEMOLITION OF STAIRCASE BLOCK TO CANTEEN BUILDING AND EXTERNAL STAIRCASES AND EXTENSIONS OF BUILDINGS TO FORM NEW POLICE STATION AND CRIMINAL JUSTICE CENTRE

    FORMER OFFICE BUILDING AND STAFF MESS, (ADMINISTRATION BUILDING AND CANTEEN), PLOT 1500 HATFIELD BUSINESS PARK, COMET WAY, HATFIELD, HERTFORDSHIRE, AL109TZ

    Received 2 May 2006
  3. Decided - GrantedN6/2006/0477/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    4 Fordwich Road Welwyn Garden City AL8 6EY

    Received 10 Apr 2006
  4. Decided - Granted6/2015/2062/VAR

    Variation of condition 2 (approved plans) on planning permission N6/2014/0879/FP

    2A The Drive Welwyn AL6 0TR

    Received 6 Oct 2015
  5. Decided - Granted6/2018/0068/HOUSE

    Erection of a single storey front porch extension.

    52 Hawbush Rise Welwyn AL6 9PP

    Received 9 Jan 2018
  6. Decided - GrantedS6/2013/1106/LB

    Construction of basement with excavated entrance to the front elevation, removal of existing conservatory and partial demolition of rear wall to allow the construction of a single storey rear extension at basement level, alterations internally include replacement of main stairway, reconfiguration of rooms through demolition of internal walls, inclusion of new partition walls between existing columns and creating new openings

    3 Tolmers Park, Carbone Hill, Newgate Street, HERTFORD, SG13 8RG

    Received 24 May 2013
  7. Decided - GrantedW6/2010/0053/EM

    PROPOSED COVERED WAY

    75 HERNS LANE, WELWYN GARDEN CITY, HERTS, AL7 2AQ

    Received 12 Jan 2010
  8. Decided - Withdrawn6/2018/2483/FULL

    Erection of 2 x detached dwellings following demolition of existing bungalow

    9 Broom Hill Welwyn AL6 0SF

    Received 27 Sept 2018
  9. Decided - GrantedN6/2014/0389/FP

    Erection of replacement rear conservatory

    13 Crossway, Welwyn Garden City, AL8 7ED

    Received 21 Feb 2014
  10. Decided - Refused6/2022/1211/HOUSE

    The erection of a rear box dormer, the installation of roof lights to the front roof slope and the raising of the ridgeline of the existing dwelling to facilitate the conversion of the loft space into habitable accommodation

    14 The Reeds Welwyn Garden City Hertfordshire AL7 3BN

    Received 25 May 2022
  11. Decided - WithdrawnS6/2007/0981/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    59 Frampton Road Little Heath Potters Bar EN6 1JF

    Received 28 Jun 2007
  12. Decided - Granted6/2025/2293/EM

    Replacement of garage door

    44 Longcroft Lane Welwyn Garden City AL8 6EF

    Received 29 Oct 2025
  13. Decided - Withdrawn6/2021/2803/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3.5m in height, 3.20m to the eaves

    37 Codicote Road Welwyn AL6 9TT

    Received 29 Sept 2021
  14. Decided - Refused6/2017/1444/LAWP

    Certificate of lawfulness for installation of front and rear windows to facilitate conversion of loft to habitable space

    33 Bramble Road Hatfield AL10 9RZ

    Received 3 Jul 2017
  15. DecidedN6/2015/0684/TC

    Removal of one branch from wild plum tree

    10 Sheepcote, Welwyn Garden City, AL7 4QD

    Received 30 Mar 2015
  16. Decided - Granted6/2021/2860/HOUSE

    Erection of a single storey side/rear extension

    62 Hillcrest Hatfield AL10 8HG

    Received 5 Oct 2021
  17. Decided - Granted6/2022/0929/ADV

    Installation of 1 x illuminated fascia sign, 1 x unilluminated fascia sign, 1x projecting sign and 1x internally illuminated menu board and 1x Chalkboard

    35-37 Howardsgate Welwyn Garden City AL8 6AP

    Received 28 Mar 2022
  18. Decided - Granted6/2021/1910/EMH

    Erection of single storey rear extension, part single storey side and part conversion of garage

    2 Sheepcote Welwyn Garden City AL7 4QD

    Received 21 Jun 2021
  19. Decided - Granted6/2022/0136/PN8

    Prior approval for erection of a single storey rear extension measuring 8m in depth and 3m in height.

    36A Reynards Road Welwyn AL6 9TP

    Received 19 Jan 2022
  20. Appeal Decided - DismissedS6/2004/0569/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    Rose Cottage Kentish Lane Brookmans Park Hatfield AL9 6JP

    Received 19 Apr 2004
  21. Decided - Granted6/2024/1175/EMT

    Hawthorn to reduce by approximately 2m height and width. Hazel to reduce by approximately 2m height and width.

    5 High Grove Welwyn Garden City AL8 7DW

    Received 24 Jun 2024
  22. Decided - Granted6/2022/1296/HOUSE

    Erection of a single storey rear and side extension and garage conversion including raising the garage roof

    83 Broomhills Welwyn Garden City AL7 1RE

    Received 6 Jun 2022
  23. Decided - GrantedS6/2004/1382/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION, RUSUBMISSION OF REFUSED APPLICATION S6/2004/0821/FP

    Woodhill House Kentish Lane Brookmans Park

    Received 14 Sept 2004
  24. Decided - Granted6/2015/1771/COND

    Approval of details reserved by condition 3 (materials ), 4 (hard and soft landscaping), 6 (mechanical ventilation) and 7 (parking and storage) on planning permission S6/2015/0437/FP

    15 Station Road Welham Green Hatfield AL9 7PL

    Received 19 Aug 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

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    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.

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