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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/0572/LUP

    Erection of a lean to conservatory to the rear of the property and installation of roof light window within a flat roof

    154 Parkway, WELWYN GARDEN CITY, AL8 6HZ

    Received 15 Mar 2013
  2. Decided - Granted6/2015/2343/HOUSE

    Replacement of roof with a new pitched roof over rear extension - Part Retrospective

    76 Brookside Crescent, Cuffley, Potters Bar, EN6 4QJ

    Received 16 Nov 2015
  3. Decided - Granted6/2020/0888/EM

    Erection of a single storey rear, part first floor rear extension and alterations to openings on side elevation

    105 Ludwick Way Welwyn Garden City AL7 3PL

    Received 16 Apr 2020
  4. Decided - WithdrawnW6/2008/2497/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSIONS

    140 COLE GREEN LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3JE

    Received 29 Dec 2008
  5. Decided - Granted6/2016/2278/FULL

    Erection of new dwelling following demolition of existing dwelling

    28 Hill Rise Cuffley Potters Bar EN6 4EJ

    Received 31 Oct 2016
  6. Under Consideration6/2023/1493/EM

    Erection of single storey rear extension, part first floor rear extension, insertion of rooflight, alterations to openings to side elevation, plus addition of air conditioning unit.

    16 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 17 Jul 2023
  7. Decided - Refused6/2022/1994/COND

    Submission of details pursuant to condition number 13 (layout, surfacing and markings for parking/turning areas), and 14 (car parking layout/allocation) on planning permission 6/2019/1699/FULL.

    1 Roe Green Close Hatfield AL10 9PD

    Received 26 Aug 2022
  8. Decided - Granted6/2025/1796/TPO

    8 x Oak trees to lift to 5m above ground level and prune back to the fenceline of the MF tower.

    Brookmans Park Teleport Arqiva Great North Road Brookmans Park AL9 6NE

    Received 22 Aug 2025
  9. Decided - WithdrawnS6/2009/2304/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED SINGLE STOREY REAR EXTENSION

    9 BACONS DRIVE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4DU

    Received 15 Oct 2009
  10. Decided - Granted6/2021/2835/EMT

    Fell 2 x Conifer

    16 Bedwell Close Welwyn Garden City AL7 3XH

    Received 1 Oct 2021
  11. Decided6/2022/0197/TC

    Reduce 1 Weeping Willow by 1.5m height and width and fell 2 Plum trees. Reference 6/2021/0143/EMT & 6/2021/0145/EMT

    6 Lytton Gardens Welwyn Garden City AL8 6EG

    Received 27 Jan 2022
  12. Decided - Granted6/2019/0392/LAWP

    Certificate of lawfulness for the erection of a fence

    Willow End Dixons Hill Close Welham Green Hatfield AL9 7EG

    Received 20 Feb 2019
  13. Decided - Refused6/2018/2161/HOUSE

    Erection of two storey rear extension following demolition of existing conservatory and installation of solar panels to side roof slope

    2 Alconbury Welwyn Garden City AL7 2QL

    Received 20 Aug 2018
  14. Decided - Granted6/2021/2345/HOUSE

    Demolition of the existing conservatory to facilitate the erection of a single storey, part two storey rear extension and insertion of a window the first floor side elevation of the existing dwelling.

    55 Wellcroft Road Welwyn Garden City AL7 3JX

    Received 9 Aug 2021
  15. Decided - GrantedN6/2014/1531/FP

    Change of use of amenity land to residential land, formation of hardstanding and new hedge to front

    71 Moorlands, Welwyn Garden City, AL7 4QJ

    Received 8 Jul 2014
  16. Decided - Granted6/2017/0395/HOUSE

    Erection of two storey side extension, single storey front extension and single storey rear extension following demolition of existing single storey side extension

    11 Sunnyfield, Hatfield, AL9 5DX

    Received 1 Mar 2017
  17. Decided6/2022/1199/TC

    1 x Field Maple to reduce height to approximately 1.5m above ground level. The tree is subsiding due to large trunk cavity. The tree is leaning over a public footpath

    13 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 24 May 2022
  18. Decided - RefusedS6/2007/0714/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND LOFT CONVERSION

    1 Swanland Road North Mymms Hatfield AL9 7TG

    Received 9 May 2007
  19. Decided - Granted6/2022/2066/EMT

    50% reduction in height of Ash tree at the end of the garden

    44 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 6 Sept 2022
  20. Decided - Granted6/2025/0183/LAWP

    Certificate of lawfulness for the erection of summerhouse with timber cladding to all exterior walls and felt flat sloping roof

    51 School Lane Welwyn AL6 9PL

    Received 3 Feb 2025
  21. Decided - RefusedN6/2004/0678/FP

    DEMOLITION OF EXISTING DWELLING AND ERECTION OF TWO DETACHED HOUSES WITH GARAGES.

    64 New Road Digswell Welwyn AL6 0AN

    Received 25 May 2004
  22. Decided - Refused6/2016/0645/HOUSE

    Erection of single storey front extension

    6 Great North Road Welwyn AL6 0PL

    Received 7 Apr 2016
  23. Decided - Granted6/2021/2147/HOUSE

    Replacement and enlargement of existing conservatory to rear of property

    100 Ridgeway Welwyn Garden City AL7 2DA

    Received 15 Jul 2021
  24. Decided - GrantedS6/2014/2178/FP

    Erection of 7 no 2 bedroom dwellings and associated works following demolition of existing garages

    Land to the rear of, 19-21 Furzen Crescent, Hatfield, AL10 9QN

    Received 3 Oct 2014

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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  • 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.

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