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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - SplitS6/2013/0018/TP

    Removal of 2 dead scots pine trees

    37 The Ridgeway, Cuffley, POTTERS BAR, EN6 4BB

    Received 9 Jan 2013
  2. DecidedN6/2014/1490/TC

    Reduce Scots Pine tree by 2 metres

    19 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 1 Jul 2014
  3. Decided - Granted6/2024/2180/EMT

    Reduce 1 x Robinia by 2.5m in height and 1.5m in width

    49 Knightsfield Welwyn Garden City AL8 7JE

    Received 12 Nov 2024
  4. Decided - Granted6/2018/2347/EM

    Replacement of garage door, alterations to brick work on front elevation of garage and alterations to the height of the utility room (retrospective)

    12 Parkway Close Welwyn Garden City AL8 6HJ

    Received 13 Sept 2018
  5. Decided - GrantedS6/2009/1069/FP

    ERECTION OF SIDE CONSERVATORY

    14B NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NR

    Received 26 May 2009
  6. Decided - Granted6/2026/1271/TPO

    Removal of dead hornbeam tree. (covered by TPO 673 (2017))

    33 Oaklands Rise Welwyn AL6 0RN

    Received 20 Jul 2026
  7. Decided - GrantedN6/2008/1545/CD

    NEW LIQUID WASTE TRANSFER FACILITY

    34 BURROWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SR

    Received 26 Aug 2008
  8. Decided - Granted6/2017/0520/EM

    Erection of single storey side extension to existing garage

    26 Beehive Lane Welwyn Garden City AL7 4BQ

    Received 16 Mar 2017
  9. Decided - GrantedS6/2013/2034/TP

    To reduce the crown back to previous pruning points by thinning the poles by up to 30%, crown lift to 3m and trim to clear building by 0.5m of oak covered by TPO 249 T9

    30 Campion Road Hatfield AL10 9FT

    Received 20 Sept 2013
  10. Decided - Granted6/2018/2326/HOUSE

    Erection of part single storey and part two storey rear extension, installation of dormers, increase in roof height and alterations of openings following removal of existing chimney

    2 The Gardens, Brookmans Park, Hatfield, AL9 7UL

    Received 11 Sept 2018
  11. DecidedN6/2008/2037/TC

    REMOVAL OF POPLAR TREES FROM REAR OF PROPERTY

    76 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HH

    Received 18 Oct 2008
  12. Decided - Granted6/2024/1219/HOUSE

    Erection of single storey rear extension and side roof extension

    7 Hook Lane Northaw Potters Bar EN6 4DA

    Received 28 Jun 2024
  13. Decided6/2025/0238/TC

    T1 & T2 - 2 x Sycamore to reduce lateral branches over hanging neighbours garden by approximately 2-2.5m. Remove low limb on first tree over garden, remove 3 limbs on second tree over magnolia.Large overhanging branches causing a nuisance to neighbours. Removing secondary branches over lawn to provide space and light for smaller plants and shrubs T3 & T4 2 x Norway maple to remove low limbs over lawn area, reduce remaining laterals over lawn by 1.5m. Reduce laterals to open up lawn area T5 & T6 2 x Plum to remove in sections to ground level. Grind out stumps to approximately 200mm below existing ground level. Over Mature - Poor form T7 1 x Holm oak to remove low limbs, reduce lateral growth over lawn area by 1.5m. To open up lawn area T8 1 x Spruce to lift to 2m above ground - Lift off lawn to make maintenance easier

    11 The Valley Green Welwyn Garden City AL8 7DQ

    Received 11 Feb 2025
  14. Decided - Granted6/2016/1828/EM

    Installation of pond in rear garden

    112 The Commons, Welwyn Garden City, AL7 4SB

    Received 7 Sept 2016
  15. Decided - RefusedS6/2009/1476/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED REAR EXTENSION

    CUCUMBER HALL FARM, CUCUMBER LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6JB

    Received 14 Jul 2009
  16. Decided - GrantedC6/1987/7024/AD

    Illuminated fascia and projecting sign

    41 Cole Green Lane, Welwyn Garden City, AL7 3PP

    Received 1 Jan 1987
  17. Decided - RefusedW6/2006/0312/EM

    ERECTION OF REAR CONSERVATORY

    49 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 13 Mar 2006
  18. Decided - GrantedN6/2014/2775/FP

    Loft conversion including the installation of dormer windows

    20 Turmore Dale, Welwyn Garden City, AL8 6HS

    Received 30 Dec 2014
  19. Decided - Granted6/2020/2863/EMT

    Reduce 1 x Silver Birch tree by 4-5m

    79 Sweet Briar Welwyn Garden City AL7 3EB

    Received 2 Nov 2020
  20. Decided - SplitS6/2013/1173/DS

    Discharge of conditions 5 (Levels), 6 (Surface Water Drainage), 7 (Foundation), 8 (Existing Vehicular Access), 9 (Proposed Access), 19 (Programme of Archaeological Work), 20 (Excavations and Earthwork), 22 (Lighting) & 23 (Renewable Energy) of Appeal Decision APP/C1950/A/10/2142040 (S6/2010/111/OP)

    Former Mount Pleasant Depot, Mount Pleasant Lane, Hatfield, AL9 5NR

    Received 3 Jun 2013
  21. Decided - GrantedS6/2008/1861/FP

    ERECTION OF GROUND FLOOR AND FIRST FLOOR REAR EXTENSION, REAR CONSERVATORY AND NEW FRONT PORCH

    42 MYMMS DRIVE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7AF

    Received 30 Sept 2008
  22. Decided - Granted6/2023/1706/HOUSE

    Installation of ground mounted solar photovoltaic panels and an air source heat pump to the rear of the property

    16 High Oaks Road Welwyn Garden City AL8 7BH

    Received 14 Aug 2023
  23. Decided - GrantedS6/2009/1199/FP

    DEMOLITION OF EXISTING DWELLING AND NEW REPLACEMENT DETACHED DWELLING HOUSE

    46 GEORGES WOOD ROAD, BROOKMANS PARK, HERTFORDSHIRE, AL9 7BT

    Received 8 Jun 2009
  24. Decided - RefusedN6/2008/1351/FP

    RAISING AND ALTERATION OF EXISTING BUNGALOW ROOF TO FORM FIRST FLOOR ACCOMMODATION AND ERECTION OF PORCH

    61 Robbery Bottom Lane Welwyn AL6 0UL

    Received 1 Aug 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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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • 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