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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0784/HOUSE

    Erection of a single storey rear extension with flat roof and glazed roof lantern

    25 Wren Wood Welwyn Garden City AL7 1QF

    Received 23 Mar 2018
  2. Decided6/2018/0396/TPO

    Reduce 1 x Apple tree by 1.5 height and width - conservation area

    14 Homerfield Welwyn Garden City AL8 6QZ

    Received 7 Feb 2018
  3. Decided - GrantedN6/2007/0547/FP

    PROPOSED OUTDOOR PLAY AREA

    ST FRANCIS CHURCH, PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HH

    Received 2 Apr 2007
  4. Decided - GrantedN6/2009/2571/TE

    REMOVAL OF HAZEL TREE LOCATED IN REAR GARDEN

    42 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LB

    Received 8 Dec 2009
  5. Decided - GrantedW6/2007/1934/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    3 Colgrove, Welwyn Garden City, AL8 6HY

    Received 17 Dec 2007
  6. Decided - GrantedS6/2015/0678/FP

    Installation of six dormer windows

    8 Bell Lane, Hatfield, AL9 7AY

    Received 26 Mar 2015
  7. Decided - GrantedW6/2008/0417/EM

    EXTENSION TO EXISTING VEHICLE HARDSTANDING and widening of existing crossover

    22 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTSFORDSHIRE, AL8 7BG

    Received 7 Mar 2008
  8. Decided - GrantedS6/2008/0884/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    58 GEORGES WOOD ROAD, BROOOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BU

    Received 3 Jun 2008
  9. Decided - GrantedN6/2007/0556/MA

    DEMOLITION AND REPLACEMENT OF HORNBEAMS DAY CENTRE AND ERECTION OF 23 RESIDENTIAL UNITS (INCLUDING 3 AFFORDABLE UNITS), ASSOCIATED ACCESS, PARKING AND LANDSCAPING.

    HORNBEAMS CENTRE, THE RIDGEWAY, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 27 Mar 2007
  10. Decided - Granted6/2018/0499/LAWP

    Certificate of lawfulness for garage conversion to habitable space including alterations to openings.

    1 Broom Hill Welwyn AL6 0SF

    Received 20 Feb 2018
  11. Decided - Granted6/2019/2545/HOUSE

    Erection of front porch, single storey rear extension following demolition of conservatory and raising of roof ridgeline and erection of 2 no. front, 2 no. rear and 1 no. side dormer windows and 2 no. rooflights to facilitate loft conversion

    38 Calder Avenue Brookmans Park Hatfield AL9 7AG

    Received 10 Oct 2019
  12. Decided6/2023/1792/TC

    2 x Beech tree crowns to reduce by 25% to increase light and reduce damage/hazard of falling branches

    66 Bridge Road Welwyn Garden City AL8 6UR

    Received 29 Aug 2023
  13. Decided - Granted6/2018/2228/HOUSE

    Erection of single storey rear extension and conversion of garage to habitable space

    12 Wellcroft Close Welwyn Garden City AL7 3JZ

    Received 29 Aug 2018
  14. Decided - RefusedN6/2007/1553/FP

    ERECTION OF TWO STOREY AND PART FIRST FLOOR SIDE AND SINGLE STOREY REAR EXTENSIONS

    19 CROSSWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7ED

    Received 22 Oct 2007
  15. Decided - GrantedN6/2013/2199/DS

    Discharge of condition 3 (soft landscaping) of planning permission N6/2013/1672/FP

    18 London Road, Welwyn, AL6 9EL

    Received 18 Oct 2013
  16. Decided - Granted6/2019/0033/EM

    Installation of window and French doors to replace existing door and windows within the rear elevation

    8 West Mead Welwyn Garden City AL7 4SA

    Received 8 Jan 2019
  17. Decided - Granted6/2021/1750/EMT

    1 x Magnolia to reduce by 2.5m height & 1.2m width to maintain as prominent feature but a smaller size. 1 x Deodar Cedar to fell 1 x Blue Spruce to fell to ground level as it has been consumed by Dog Rose rendering the majority of the tree dead. Replace with a Plum tree. Line of Lawson Cypress to fell to ground level

    37 Crossway Welwyn Garden City AL8 7ED

    Received 3 Jun 2021
  18. Decided - WithdrawnS6/2013/0300/FP

    Extension to existing roofspace creating a front dormer window and new pitched roof above existing flat roofed rear dormer window

    23 Northaw Road East, Cuffley, POTTERS BAR, EN6 4LY

    Received 11 Feb 2013
  19. Decided - GrantedC6/1987/7028/AD

    Illuminated fascia and projecting sign

    23 Stonehills, Welwyn Garden City, AL8 6NA

    Received 1 Jan 1987
  20. Decided6/2019/2919/TC

    Crown reduce 2 x Hornbeam (T4 and T5) by 25%

    152 Parkway Welwyn Garden City AL8 6HZ

    Received 20 Nov 2019
  21. Decided - Granted6/2015/1618/COND

    Approval of details reserved by condition 4 (cross sections) and 5 (landscaping) on application N6/2014/2673/FP

    City Garden Nurseries Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 30 Jul 2015
  22. Decided - GrantedN6/2008/1765/TP

    REDUCE AND THIN OAK TREES T1, T3, AND T6 BY 25% AND REDUCE HORNBEAMS T2, T4 AND T5 BY 25% COVERED BY TPO 137

    2A Bracken Lane Welwyn AL6 0RB

    Received 12 Sept 2008
  23. Decided - GrantedN6/2015/0443/TC

    Removal of Apple tree

    1 Valley Road, Welwyn Garden City, AL8 7DG

    Received 3 Mar 2015
  24. Decided - Refused6/2023/1269/FULL

    Erection of a two storey side, rear extension and rear dormer to create a new dwelling

    58 Deerswood Avenue Hatfield AL10 8SA

    Received 16 Jun 2023

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

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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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