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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2016/0534/HOUSE

    Erection of single storey rear extension

    16 Somers Square, Welham Green, Hatfield, AL9 7PS

    Received 31 Mar 2016
  2. Decided - GrantedN6/2009/2505/FP

    ERECTION OF DETACHED GARAGE, SIDE CONSERVATORY AND CONVERSION OF EXISTING INTEGRAL GARAGE

    Beechlands 19 Heath Road Welwyn AL6 0TP

    Received 5 Nov 2009
  3. Decided - GrantedN6/2009/0993/FP

    ERECTION OF SINGLE STOREY EXTENSION

    3 Ellesfield Welwyn AL6 9HB

    Received 8 May 2009
  4. Decided - RefusedS6/2006/0284/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION TO DWELLING FOLLOWING DEMOLITION OF SECOND DWELLING ON SITE

    Raybrook Farm Bluebridge Road Brookmans Park Hatfield AL9 7SX

    Received 7 Mar 2006
  5. Decided6/2021/1135/TC

    Remove Leylandii hedge of and replace with hedge of mixed native species: hawthorn, blackthorn and spindle

    19 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 7 Apr 2021
  6. Decided - Granted6/2020/2899/HOUSE

    Two storey side extension, single storey rear extension and general remodelling and refurbishment to provide a 3 bed single family dwelling with granny annex on ground floor.

    11 Nash Close Welham Green Hatfield AL9 7NN

    Received 6 Nov 2020
  7. Decided - Granted6/2021/2479/HOUSE

    Demolition of single storey extension and erection of single storey extension for use as an office

    Woodlands School Road Little Heath Potters Bar EN6 1JW

    Received 24 Aug 2021
  8. Decided - Refused6/2020/0852/HOUSE

    Erection of single storey side extension following demolition of conservatory, and erection of outbuilding

    33 Church Lane, Northaw, Potters Bar, EN6 4NX

    Received 7 Apr 2020
  9. Decided - Granted6/2024/2439/FULL

    Retention of replacement shop windows and doors

    160 Hollybush Lane Welwyn Garden City AL7 4JU

    Received 30 Dec 2024
  10. Decided - Refused6/2022/2405/LAWP

    Certificate of lawfulness for the proposed erection of a garden office

    8 Ploughmans End Welwyn Garden City AL7 2JG

    Received 17 Oct 2022
  11. Decided - Granted6/2018/2821/EM

    Reduce 11 x Lawson Cypress trees by 30%

    9 Stonemead Welwyn Garden City AL8 7LX

    Received 30 Oct 2018
  12. Decided - WithdrawnW6/2014/0094/EM

    Erection of single storey rear extension to include ramp access, erection of replacement shed/store and removal of conifer tree in rear garden

    13 Beechfield Road, Welwyn Garden City, AL7 3RG

    Received 7 Jan 2014
  13. Decided - GrantedN6/2007/1146/TP

    PRUNING OF SILVER BIRCH (T1) COVERED BY TPO 368

    27 The Cloisters, WELWYN GARDEN CITY, Hertfordshire, AL8 6DU

    Received 31 Jul 2007
  14. Decided6/2025/0618/TC

    T1 Yew reduce in height by approx. 2 metres and cut back by 1-2 metres all round to maintain size and shape. T2 Sycamore re-pollard to previous pruning points.

    10 Handside Green Welwyn Garden City AL8 6SQ

    Received 31 Mar 2025
  15. Decided - GrantedS6/2007/0261/LB

    PROPOSED REPLACEMENT OF TRANSPARENT COVER OVER CENTRE PATIO.

    27 The Ryde Hatfield AL9 5DQ

    Received 20 Feb 2007
  16. Decided - GrantedS6/2004/0756/FP

    ERECTION OF NEW TWO STOREY DWELLING HOUSE, AFTER DEMOLITION OF EXISTING DWELLING (RE. SUBMISSION S6/2003/1607/FP)

    23 Tolmers Avenue Cuffley Potters Bar EN6 4QA

    Received 25 May 2004
  17. Decided - Granted6/2016/1518/EM

    T1 - 25% reduction of mature lime tree due to previous snap out at approximately 4m on lateral limb, T2 - Removal of Birch Tree due to mulitple cavities on main stern, T3 - Removal of ash tree at the front of the grounds due to large cavity at the base with fungal bracket

    Barnside Court Welwyn Garden City AL8 6TL

    Received 18 Jul 2016
  18. Decided - RefusedC6/1988/1223/FP

    Two storey and first floor side extension

    20 Wellington Drive, Welwyn Garden City, AL7 2NB

    Received 1 Jan 1988
  19. Decided - GrantedN6/2006/0598/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    47 Great Ley Welwyn Garden City AL7 4TJ

    Received 8 May 2006
  20. Decided - Granted6/2017/2464/TPO

    Prune by 30% 1x Oak T1 (TPO 529)

    42 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 24 Oct 2017
  21. Decided - GrantedS6/2013/0420/NM

    Non material amendment following approval of planning permission S6/2012/0907/FP - Substitution of approved brick chimney with a twin-wall metal flue

    6 Tolmers Avenue, Cuffley, POTTERS BAR, EN6 4QE

    Received 5 Mar 2013
  22. Decided - Granted6/2021/1810/EMH

    Erection of front porch and rear extension.

    31 Mountway Close Welwyn Garden City AL7 4JZ

    Received 10 Jun 2021
  23. Decided6/2024/1302/TC

    Reduce row of Lawson Cypress by 4-5m in height 1 x lime tree to repollard back to previous pollard points

    47 Elm Gardens Welwyn Garden City AL8 6RX

    Received 9 Jul 2024
  24. Decided - Granted6/2018/1216/FULL

    Change of use from shop unit (A2) to food and drink (A3)/ hot food and takeaway (A5)

    32 Fretherne Road Welwyn Garden City AL8 6NU

    Received 9 May 2018

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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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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