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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2020/1715/HOUSE

    Erection of single storey rear and side extension

    30 Parsonage Lane Welham Green Hatfield AL9 7LU

    Received 14 Jul 2020
  2. Decided - GrantedS6/2015/0914/FP

    Erection of first floor gable and enlargement and conversion of garage with replacement of all windows

    The Old Vicarage, 4 Newgate Street Village, Newgate Street, Hertford, SG13 8RA

    Received 29 Apr 2015
  3. Decided - GrantedS6/2010/0229/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    63 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QG

    Received 8 Feb 2010
  4. Decided - RefusedS6/2004/0559/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND LOFT CONVERSION WITH REAR DORMER WINDOWS

    22 Skimpans Close Welham Green Hatfield AL9 7PB

    Received 8 Apr 2004
  5. Decided - GrantedW6/2010/0247/EM

    SINGLE STOREY SIDE EXTENSION

    2 REDWOODS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NR

    Received 17 Feb 2010
  6. Decided - Refused6/2022/1838/HOUSE

    Proposed new brick wall with piers and railings with two openable black painted raw iron controlled access gates.

    14 Thrush Lane Cuffley Potters Bar Hertfordshire EN6 4JU

    Received 8 Aug 2022
  7. Appeal Decided - Dismissed6/2021/0457/LAWE

    Certificate of lawfulness for the Retention of barn as a B8: Storage and Distribution warehouse for a period of more than 10-years

    Land parcel East of Newgate Street. Barn located South of Lodge Farm with the nearest postcode being SG13 8NQ which is located in East Herts District

    Received 12 Feb 2021
  8. Appeal Decided - Dismissed6/2022/0132/LB

    Repair, refurbishment and conversion of Northaw House to form 11 apartments (including refurbishment of existing caretaker's flat) and underground parking area, the Ballroom Wing to form 2 dwellings, the Stable Block to form 1 dwelling, refurbishment of existing dwelling at Oak Cottage, construction of 2 new Gate Lodge dwellings, 4 new dwellings on the East Drive, 3 new dwellings within the Walled Garden, 7 new dwellings within the Settlement Area, refurbishment of the Walled Garden, refurbishment of access routes and reinstatement of old route, provision of hard and soft landscaping, car parking and supporting infrastructure.

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 19 Jan 2022
  9. Decided - Withdrawn6/2022/2882/VAR

    Variation of conditions 13 (car parking and turning areas), 14 (parking allocation) and 17 (access and egress) on planning permission 6/2019/1699/FULL

    Miyla View 1 Roe Green Close AL10 9PD

    Received 21 Dec 2022
  10. Decided - GrantedW6/2012/2590/TE

    Removal of Spruce tree

    152 Knightsfield, WELWYN GARDEN CITY, AL8 7HD

    Received 12 Dec 2012
  11. Decided - GrantedN6/2012/2686/TC

    Reduce Oak tree by 30%

    51 Brockswood Lane, WELWYN GARDEN CITY, AL8 7BU

    Received 28 Dec 2012
  12. Decided - Granted6/2023/1163/EM

    Erection of single storey side and rear extension

    11 Stacklands Welwyn Garden City AL8 6XW

    Received 1 Jun 2023
  13. Decided - WithdrawnS6/2005/1383/FP

    ERECTION OF SINGLE STOREYSIDE EXTENSIONS, TWO STOREY REAR EXTENSION, FIRST FLOOR FRONT EXTENSION, RAISING OF ROOF, AND ERECTION OF FRONT BOUNDARY WALL,

    46 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 7 Nov 2005
  14. Decided - WithdrawnS6/2014/2682/LUE

    Certificate of lawfulness for existing loft conversion with rear dormer and slate roof finish

    7 Brookside Crescent, Cuffley, Potters Bar, EN6 4QW

    Received 11 Dec 2014
  15. Decided - Granted6/2017/2348/EM

    Installation of front driveway

    45 Westly Wood Welwyn Garden City AL7 1QN

    Received 11 Oct 2017
  16. Decided - GrantedS6/2006/0491/FP

    DEMOLITION OF EXISTING GARAGE, AND ERECTION OF A TWO STOREY SIDE EXTENSION AND NEW PITCHED ROOF FOR EXISTING FRONT DORMER

    14 Church Close Cuffley Potters Bar EN6 4LS

    Received 18 Apr 2006
  17. Decided - Granted6/2018/0747/EM

    Erection of chimney to the side of the property

    12 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 20 Mar 2018
  18. Decided - GrantedS6/2013/0362/NM

    Non material amendment following approval of planning permission S6/2012/0486/FP - Brick exterior finish

    47 Mymms Drive, Brookmans Park, HATFIELD, AL9 7AE

    Received 7 Feb 2013
  19. DecidedN6/2008/1812/TC

    REMOVAL OF CONIFER FROM BACK GARDEN

    125 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA

    Received 22 Sept 2008
  20. Decided - Granted6/2016/2016/TPO

    T1- Monterey Cypress, reduce crown by 30% - Conservation Area

    23 Parkfields, Welwyn Garden City, AL8 6EE

    Received 23 Sept 2016
  21. Decided - Granted6/2019/2328/LAWP

    Certificate of lawfulness for alterations to openings to facilitate conversion of garage for incidental purposes

    Amesbury Bride Hall Lane Welwyn AL6 9BX

    Received 23 Sept 2019
  22. Decided - GrantedN6/2008/1010/FP

    ERECTION OF REAR CONSERVATORY

    18 RUSSELLCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QU

    Received 28 Jun 2008
  23. Decided6/2025/1875/TC

    1 x Pear to reduce by approximately 1m in height - reduce to retain a suitable size 1 x Beech to reduce by 1.5m height & width - Beech to reduce to retain a suitable size

    15 The Valley Green Welwyn Garden City AL8 7DQ

    Received 2 Sept 2025
  24. Decided - Granted6/2024/1614/EMT

    1 x Silver birch tree to remove.

    53 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 22 Aug 2024

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 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.

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.

Check collection coverage