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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0654/HOUSE

    Erection of single storey rear extension, with associated alteration works

    38 Thornton Road Little Heath Potters Bar EN6 1JH

    Received 31 Mar 2017
  2. Decided - GrantedW6/2013/0076/TE

    Removal of lower branch on Oak tree

    21 Coneydale, WELWYN GARDEN CITY, AL8 7RX

    Received 15 Jan 2013
  3. Appeal Decided - DismissedW6/2014/0096/EM

    Retention of vehicle hardstanding

    193 Thistle Grove, Welwyn Garden City, AL7 4AG

    Received 21 Jan 2014
  4. Decided - Granted6/2023/0936/FULL

    Modification of existing intake louvre and installation of new discharge louvre with bird mesh behind

    14 Hilltop Way Hatfield AL10 8FH

    Received 2 May 2023
  5. Decided6/2017/2863/TPO

    1 x Yew to reduce by 2m height & width & trim back lower growth towards property, 1 x Hawthorn to reduce by 50% & leave as standing wildlife stump - Fell dead stem to 6ft, 1 x Holly to reduce by 2m height and trim

    13 Church Street Welwyn AL6 9LN

    Received 8 Dec 2017
  6. Decided - Granted6/2019/0161/VAR

    Variation of condition 10 (approved plans) on planning permission 6/2017/2013/FULL

    13 Tolmers Gardens, Cuffley, Potters Bar, EN6 4JE

    Received 28 Jan 2019
  7. Decided - Granted6/2018/0437/EM

    Reduce 1 x Silver Birch tree to 8m plus thinning of 10%

    12 Little Youngs Welwyn Garden City AL8 6SL

    Received 12 Feb 2018
  8. Decided - Granted6/2021/2427/HOUSE

    Erection of detached garage to side of house

    1 Chestnut Walk Welwyn AL6 0SB

    Received 18 Aug 2021
  9. Decided - GrantedS6/2009/0788/DS

    DISCHARGE OF CONDITION 6 (MEANS OF ENCLOSURE & BOUNDARY TREATMENT) FROM PLANNING PERMISSION S6/2009/178/FP

    35 Calder Avenue, Hatfield, AL9 7AH

    Received 5 May 2009
  10. Decided - GrantedS6/2013/2231/MA

    Demolition of the existing dwellings and redevelopment to provide 16 residential dwellings (comprising 8 × 3 bedroom and 8 × 4 bedroom houses) with associated car parking, access and landscaping

    1-12 Green Close, Brookmans Park, Hatfield, AL9 7ST

    Received 23 Oct 2013
  11. Decided - Granted6/2024/1953/EMT

    T1. Thuja - Remove the 2 lowest limbs. T3. Sycamore - Fell the two stems with large cavities that have grown from the root system of the adjacent mature Sycamore. T4. Sycamore - Remove the lowest limb on the central stem growing over H3. Remove the lowest limb on the stem to the right.

    8 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 10 Oct 2024
  12. Decided - Withdrawn6/2018/2455/FULL

    Erection of 8 x apartments arranged in 2 x blocks with parking, amenity area and bin store following demolition of existing building on site

    37 Church Street Welwyn AL6 9LS

    Received 25 Sept 2018
  13. Decided6/2022/2178/TC

    1 x Ginko to reduce by 1.5m in height and approximately 0.5m in width 1 x Parisian ironwood to reduce by 0.5m in width. reduce any overlong vertical branches back to shape 1 x Mop head Robinia to reduce by no more than 1m, remove deadwood. 1 x Crab Apple to reduce by 1.2m and balance crown. 1 x Silver Birch to reduce lateral branches growing over 4 High Grove by 2m up to a height of 7M ABOVE GROUND LEVEL

    6 Dognell Green Welwyn Garden City AL8 7BL

    Received 20 Sept 2022
  14. Decided - Granted6/2025/2076/FULL

    Change of use from general amenity land to private driveway to accommodate parking for one vehicle, with the remaining land being retained as open plan garden

    226 Thistle Grove Welwyn Garden City AL7 4AL

    Received 30 Sept 2025
  15. Decided - GrantedS6/2015/0928/LUP

    Certificate of lawfulness for the erection of single storey rear extension and garden office

    16 Woodlands, Brookmans Park, Hatfield, AL9 7AN

    Received 1 May 2015
  16. Decided - GrantedS6/2006/0338/FP

    RELOCATION OF PORTACABIN

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 17 Mar 2006
  17. Decided - GrantedN6/2015/0777/FP

    Erection of new equipment store

    288 Knightsfield Welwyn Garden City AL8 7NQ

    Received 9 Apr 2015
  18. Decided - Granted6/2019/3107/HOUSE

    Erection of part single/part two storey side extension following demolition of existing side extension; hip-to-gable roof enlargement; re-positioning of existing staircase window; and insertion of rooflights

    2A Peplins Way, Brookmans Park, Hatfield, AL9 7UU

    Received 9 Dec 2019
  19. Decided - Granted6/2019/1014/HOUSE

    Erection of mesh panels following the removal of existing chain link fencing

    1 Perrywood, Walden Road Welwyn Garden City AL8 7PZ

    Received 26 Apr 2019
  20. Decided - GrantedS6/2014/2188/DS

    Approval of details reserved by condition 5 (hard and soft landscaping) of planning permission S6/2014/0929/FP

    Forest Hills, Newgate Street Village, Hertford, SG13 8RA

    Received 6 Oct 2014
  21. Decided - Granted6/2016/1012/HOUSE

    Erection of first floor front extension

    10 Upland Drive, Brookmans Park, Hatfield, AL9 6PS

    Received 20 May 2016
  22. Decided - GrantedW6/2013/2280/EM

    Installation of replacement windows

    102 Knightsfield, Welwyn Garden City, AL8 7HB

    Received 1 Nov 2013
  23. Decided6/2026/1133/TC

    2 x Apples to prune back to previous pruning points. approx 1m height & width.

    14 Moorend Welwyn Garden City AL7 4QL

    Received 30 Jun 2026
  24. Decided - GrantedN6/2009/1804/FP

    ENCLOSURE OF EXISTING FRONT PORCH

    292 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NQ

    Received 19 Aug 2009

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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