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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
40,005Searchable applications
298Recorded as pending
86%Approval rate · 33,548 approved or refused records
4,791Refused applications

28,757 approved · 4,791 refused · 2,198 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedW6/2013/1293/EM

    Loft conversion to incorporate front, rear dormer windows, and roof lights. Works include demolition of 1 of 2 chimney stacks

    31 Digswell Road, Welwyn Garden City, AL8 7PB

    Received 19 Jun 2013
  2. Decided - Granted6/2024/0342/HOUSE

    Erection of a single storey rear infill extension with new pitched roof and insertion of rooflights

    23 Birchwood Close Hatfield AL10 0PP

    Received 21 Feb 2024
  3. Decided - GrantedW6/2014/2567/TE

    Removal of Willow tree

    42 Digswell Rise Welwyn Garden City AL8 7PW

    Received 24 Nov 2014
  4. Decided - RefusedN6/2004/0958/TP

    WORK TO TREE T1 (ASH) COVERED BY TPO240.

    4 Lea Green Mill Green Lane Hatfield AL9 5NX

    Received 24 Jun 2004
  5. Decided - Granted6/2021/2205/HOUSE

    Erection of a two storey side extension, new vehicular entrance and replacement front porch

    14 East Ridgeway Cuffley Potters Bar EN6 4AP

    Received 21 Jul 2021
  6. Decided - GrantedN6/2014/2663/FP

    Erection of single storey rear extension

    8 Langstone Ley, Welwyn Garden City, AL7 1FQ

    Received 10 Dec 2014
  7. Decided - Granted6/2020/2946/EM

    Replacement garage door

    11 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 10 Nov 2020
  8. Decided - Granted6/2015/1555/TC

    Removal of Conifer tree

    7 High Street Welwyn AL6 9EE

    Received 17 Jul 2015
  9. Decided - Granted6/2019/1288/EM

    Replacement of windows

    259 Handside Lane Welwyn Garden City AL8 6TF

    Received 31 May 2019
  10. Decided6/2022/1659/TC

    T4 Ash Tree - coppice the tree to a height just above the new growth. The ash tree in question is in decline and is suffering from ash dieback. The root ball is showing significant healthy growth with a number of shoots that could grow to maturity.

    12 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 14 Jul 2022
  11. Decided6/2023/2053/TC

    1 x Ginko - to dismantle in sections to ground level . The tree is starting to lift paving and close to the wooden cabin

    111 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 6 Oct 2023
  12. Decided - Granted6/2020/2453/TPO

    Crown reduce 1 x Turkey Oak tree (T8) covered by TPO 126 by 10 feet and higher the lower branches by 3 feet.

    4 Nathans Close Welwyn AL6 9QB

    Received 24 Sept 2020
  13. Decided - GrantedW6/2014/0112/TE

    Reduce oak and apple tree crowns by 30%

    61 Pentley Park, Welwyn Garden City, AL8 7SF

    Received 22 Jan 2014
  14. Decided - Granted6/2025/0282/EM

    Replace front door and UPVC windows. Hardstanding to front of the property, with partial removal of hedgerow. Oubuilding to rear garden

    143 Oakdale Welwyn Garden City AL8 7QS

    Received 17 Feb 2025
  15. Decided - GrantedS6/2014/2650/FP

    Erection of single storey rear extension, with 3 dormer windows to the front and 1 dormer window to the rear, 3 rear roof lights, enlarged window to half landing of stairwell and provision of carport to southern elevation

    49 Osborne Road, Little Heath, Potters Bar, EN6 1SB

    Received 8 Dec 2014
  16. Decided - Granted6/2024/1295/TPO

    Covered by TPO 976 (2023) W1 T1. Oak - Cut back the branches by 2-3 metres in line with the brick wall from the Oak Tree overhanging from the conifer hedge.

    7 Reeves Court Welwyn AL6 9FU

    Received 9 Jul 2024
  17. Decided - Granted6/2018/1089/COND

    Submission of details pursuant to condition 3 (details regarding windows and shutters, roof, wall and floor, heating and lighting) on planning permission 6/2016/1650/LB, dated 19/12/2016

    Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB

    Received 26 Apr 2018
  18. Decided - Granted6/2019/2313/FULL

    Erection of six dwellings following demolition of existing buildings

    101 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG

    Received 19 Sept 2019
  19. Decided - GrantedS6/2009/2253/FP

    ERECTION OF TWO STOREY FRONT EXTENSION AND FRONT CANOPY

    41 PINE GROVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BL

    Received 9 Oct 2009
  20. Decided - Granted6/2024/1644/FULL

    Change of use from 6 resident House in Multiple Occupation (HMO) (C4) to 8 resident HMO (Sui-Generis)

    60 Wood Close Hatfield AL10 8TX

    Received 28 Aug 2024
  21. DecidedN6/2009/0909/CD

    SINGLE STOREY EXTENSION TO CREATE CHILDRENS CENTRE ACCOMMODATION AND NEW ENTRANCE LOBBY

    Woolmer Green Village Hall Hall Lane Woolmer Green Knebworth SG3 6XA

    Received 6 May 2009
  22. Decided - GrantedW6/2013/2595/EM

    Erection of single storey side and rear extensions incorporating pitch roof and 5no. Roof lights

    131 Oakdale, Welwyn Garden City, AL8 7QS

    Received 3 Dec 2013
  23. Decided - GrantedN6/2015/1369/FP

    Erection of first floor rear extension

    1 Bushey Green Welwyn Garden City AL7 3HA

    Received 23 Jun 2015
  24. Decided - Granted6/2020/0872/LAWP

    Certificate of lawfulness for installation of 1x side dormer to facilitate loft conversion

    40 Great Ley Welwyn Garden City AL7 4TR

    Received 14 Apr 2020

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

All planning guides

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    Planning application documents: what to read first

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    Planning permission drawings: how to read plans

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  • 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.

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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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