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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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. Decided6/2022/2315/TC

    T4 Whitebeam to lift 3m above ground level & thin crown by 25% T14 Oak to crown reduce by 3-4m all round & dead wood T23 Cherry to lift to 3m from over sports courts T26 Hornbeam to crown reduce by approx 2-3m all round

    14 Applecroft Road Welwyn Garden City AL8 6LA

    Received 4 Oct 2022
  2. Decided - Granted6/2020/1758/HOUSE

    Erection of single storey rear extension

    24 The Shaws Welwyn Garden City AL7 2HR

    Received 17 Jul 2020
  3. Decided - Granted6/2017/1341/HOUSE

    Erection of part two storey and part first floor rear extension

    8 Colesdale Cuffley Potters Bar EN6 4LQ

    Received 21 Jun 2017
  4. Decided - Granted6/2026/0568/FULL

    Installation of air conditioning condenser floor mounted to the rear of the building

    17A The Broadway Hatfield AL9 5HZ

    Received 27 Mar 2026
  5. Decided - WithdrawnN6/2013/1317/AD

    Installation of illuminated fascia and projecting signs

    Domino's Pizza, Unit D, Fretherne Road, Welwyn Garden City, AL8 6PZ

    Received 24 Jun 2013
  6. Decided - Refused6/2022/1859/LAWP

    Certificate of lawfulness for single storey rear extension with insertion of 2 x rooflights and garage conversion. Alterations to openings to existing front and rear elevations, including replacing front window.

    21 The Chase Welwyn Hertfordshire AL6 0QT

    Received 9 Aug 2022
  7. Decided - Granted6/2017/1844/EM

    Fell 1 x Cherry tree, reduce 1 x Rowan tree by up to 25% (approx 2-3m) and reduce 1 x Wild Cherry tree by up to 25% (2m off canopy)

    1 Pentley Park Welwyn Garden City AL8 7RT

    Received 14 Aug 2017
  8. Decided - GrantedN6/2015/0534/FP

    Erection of first floor rear extension

    14 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 20 Apr 2015
  9. Decided - GrantedS6/2014/0028/FP

    Erection of single storey side and rear extensions, with hip to gable conversion and new dormer following the demolition of existing single storey rear extension and loft dormer

    41 Huggins Lane, Welham Green, Hatfield, AL9 7LJ

    Received 13 Jan 2014
  10. Decided - Refused6/2019/0879/FULL

    Erection of 2 x two-bedroom semi-detached dwellings with associated vehicular access and parking

    54 Bridge Road Welwyn Garden City AL8 6UR

    Received 11 Apr 2019
  11. Decided - Granted6/2020/2643/EM

    Erection of single storey outbuilding in rear

    2 Rollswood Welwyn Garden City AL7 4DG

    Received 12 Oct 2020
  12. Decided - GrantedN6/2005/1284/FP

    PROPOSED MEZZANINE FLOOR

    9 BLENHEIM COURT, BROWNFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1AD

    Received 11 Oct 2005
  13. Decided - Granted6/2021/0679/EMH

    Erection of rear conservatory as replacement to existing conservatory

    51 Lemsford Lane Welwyn Garden City AL8 6YN

    Received 2 Mar 2021
  14. Decided6/2019/2039/TC

    1. Crab apple tree. Crown Reduce by 30% 2. Sweet bay tree. Fell 3. Sweet bay tree. Fell 4. Red cedar. Crown reduce by 30% 5. Velvet Ash. Fell – 6. Red Cedar. Fell - 7. Field elm. Crown reduce by 20% 8. Lilac tree. Crown Reduce by 30% - 9. Sweet cherry tree. Crown Reduce by 30% - 10. (Northern whitecedar) Reduce in height by 2m and crown lift by 3m 11. Whitebeam. Crown Reduce by 25%

    73 Knightsfield Welwyn Garden City AL8 7JE

    Received 12 Aug 2019
  15. Decided - Withdrawn6/2021/0225/EM

    31 sqm of council land being joined to the back of property to hold a boundary fence, change of use from agricultural land to residential

    312 Knightsfield Welwyn Garden City AL8 7NQ

    Received 25 Jan 2021
  16. Decided - GrantedN6/2006/0700/FP

    INTERNAL AND EXTERNAL ALTERATIONS

    BIO PARK HERTFORDSHIRE LTD, BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3AX

    Received 26 May 2006
  17. Decided - Refused6/2023/0825/HOUSE

    Erection of a single storey rear extension

    12 Otter Gardens Hatfield AL10 8PN

    Received 18 Apr 2023
  18. Decided - Granted6/2017/0340/EM

    Retention of installed windows and doors

    23A Mill Green Road Welwyn Garden City AL7 3UX

    Received 22 Feb 2017
  19. Decided - Granted6/2018/2672/EM

    Reduce 1 x Lime tree (36) by 30% and crown lift to 3m, 1 x Ash tree (31) by 30%, 1 x Eucalyptus tree by 30 % and 1 x Maple tree by 30 %

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 17 Oct 2018
  20. Decided - Granted6/2024/2069/FULL

    Erection of additional storey and conversion of existing building to create two flats

    22A London Road Woolmer Green SG3 6JP

    Received 25 Oct 2024
  21. Decided - Granted6/2021/3259/EM

    Erection of a single storey rear extension measuring 3.5m in depth, 2.9m in height and 2.9m to the eaves

    31 Wren Wood Welwyn Garden City AL7 1QF

    Received 16 Nov 2021
  22. Decided - Granted6/2016/0711/EM

    Erection of front porch and single storey rear extension following demolition of existing porch

    25 Rosedale, Welwyn Garden City, AL7 1DW

    Received 8 Apr 2016
  23. Decided - Granted6/2016/0644/PN8

    Prior approval for the erection of single storey rear extension. Measuring 6m. in depth, 2.95m. in height and 2.95m. to the eaves

    38 Boundary Lane, Welwyn Garden City, AL7 4DY

    Received 6 Apr 2016
  24. Decided - GrantedN6/2008/1732/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    12 BEEHIVE GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BE

    Received 5 Sept 2008

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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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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