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
40,023Searchable applications
298Recorded as pending
86%Approval rate · 33,565 approved or refused records
4,794Refused applications

28,771 approved · 4,794 refused · 2,199 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - GrantedW6/2008/0758/EM

    FORMATION OF VEHICLE HARDSTANDING

    32 BEEHIVE GREEN, WELWYN GARDEN CITY, HERTS, AL7 4BG

    Received 6 May 2008
  2. Decided - Granted6/2022/0832/COND

    Submission of details pursuant to condition 1 (material sample) on planning permission 6/2021/2560/HOUSE

    28 The Avenue Welwyn AL6 0PP

    Received 6 Apr 2022
  3. Decided6/2023/1818/TC

    T1- False Cypress Tree to fell T2- Apple Tree to reduce by 30% to keep and maintain the tree at 3-4m tall T3- Beech Tree to reduce by 30% to keep and maintain the tree at 3-4m tall T4- Hazel Tree to reduce by 5% to keep and maintain the tree at 3-4m tall T5- Unknown Tree type to reduce by 10% to keep and maintain the tree at 3-4m tall (potentially pear or apple) T6 to T13- 8 Leylandii Fir trees to reduce by 30-50% to be 3m above ground level

    10 Woodland Rise Welwyn Garden City AL8 7LF

    Received 31 Aug 2023
  4. Decided - Withdrawn6/2026/0235/HOUSE

    Erection of single storey side extension, hardstanding and vehicle crossover

    79 Homestead Road Hatfield AL10 0QP

    Received 10 Feb 2026
  5. Decided - WithdrawnS6/2009/1749/CD

    ERECTION OF DETACHED SINGLE STOREY BUILDING FOR A CHILDREN'S CENTRE (D1 USE)

    ESSENDON PRIMARY SCHOOL, SCHOOL LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HD

    Received 17 Aug 2009
  6. Decided - Granted6/2017/2335/EM

    Removal of Weeping Ash Tree branch overhanging gutter

    11 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 11 Oct 2017
  7. Decided - GrantedN6/2004/1140/FP

    ERECTION OF CONSERVATORY

    7 Copse Hill Welwyn AL6 0RY

    Received 23 Jul 2004
  8. Decided - Granted6/2021/2298/EM

    Erection of first floor rear extension

    105 Howlands Welwyn Garden City AL7 4RL

    Received 2 Aug 2021
  9. Decided - WithdrawnW6/2013/0417/EM

    Erection of single storey rear extension and replacement out building

    2 The Valley Green, WELWYN GARDEN CITY, AL8 7DQ

    Received 1 Mar 2013
  10. Decided - GrantedW6/2015/0011/EM

    Erection of single storey summerhouse in rear garden

    12 Mandeville Rise, Welwyn Garden City, AL8 7JU

    Received 5 Jan 2015
  11. Decided - Granted6/2021/2125/MAJ

    Partial redevelopment of the Hertfordshire Constabulary Headquarters site

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 14 Jul 2021
  12. Decided - Refused6/2022/1495/COND

    Submission of details pursuant to condition 1 (construction method statement) on planning permission 6/2021/1440/FULL

    18A Station Road Cuffley Potters Bar Hertfordshire EN6 4HT

    Received 27 Jun 2022
  13. Decided - Granted6/2018/0936/LAWP

    Certificate of lawfulness for a single storey side extension to both sides of the property, a single storey rear extension and a first floor extension, as well as a detached double garage

    21 The Avenue Welwyn AL6 0PW

    Received 9 Apr 2018
  14. Decided - Granted6/2026/1222/EM

    Application to install external two air conditioning units, one on either side of the house.

    29 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 13 Jul 2026
  15. Decided - Granted6/2021/0067/EM

    Conversion of garage workshop to garden room by adding a skylight, bi-fold doors and extending the window

    6 Templewood Welwyn Garden City AL8 7HX

    Received 11 Jan 2021
  16. Decided - Granted6/2015/2453/EM

    Removal of existing glazing and erection of part single and part two storey rear extension, with associated works to openings

    21 Elmwood, Welwyn Garden City, AL8 6LD

    Received 7 Dec 2015
  17. Decided - Granted6/2018/1562/TPO

    Reduce 1 x Oak tree (T1) by 1-2 m and 1 x Horse Chestnut tree (T2) by 1 m covered by TPO 4 (HRD)

    86 Moffats Lane Brookmans Park Hatfield AL9 7RW

    Received 12 Jun 2018
  18. Decided - Granted6/2018/2987/TPO

    Fell 1 x Maple tree (T1) and replace with Maple tree, reduce 1 x Oak tree (T2) by 30 %, 1 x Hornbeam tree (T3) by 30 %, row of 4 x Hornbeam trees by 50 % and row of 8 x Hornbeam trees by 2m covered by TPO 800 (2018)

    2A Mardley Hill Welwyn AL6 0TB

    Received 20 Nov 2018
  19. Decided - RefusedN6/2014/0066/NM

    Non material amendment following approval of planning permission N6/2012/0637/FP - Re-siting of hardstanding and crossover to avoid tree

    4 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 20 Jan 2014
  20. Decided - WithdrawnS6/2005/1386/DE

    ERECTION OF SINGLE STOREY DETACHED DWELLING

    REAR OF, 2 FARM CLOSE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4RQ

    Received 7 Nov 2005
  21. Decided - GrantedS6/2006/0365/FP

    Conversion of Listed Building into 17 apartments and demolition of modern 1980's extensions; 14 new build dwellings and 28 garage courtyard blocks, together with 40 parking spaces across the site, incorporating new build tennis court house and integral garage, proposed walled garden dwelling and garaging; conversion and extensions to eastern and western walled garden buildings to form swimming pool and storage/greenhouse building, plus associated landscaping

    Bedwell Park Cucumber Lane Essendon

    Received 22 Mar 2006
  22. Decided - Granted6/2021/1351/HOUSE

    Two storey side extension

    18 New Road Digswell Welwyn AL6 0AG

    Received 27 Apr 2021
  23. Decided - Granted6/2023/2478/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3m in height and 3m to the eaves

    80 Cherry Way Hatfield AL10 8LD

    Received 12 Dec 2023
  24. Decided - GrantedN6/2009/0113/TP

    REDUCE CROWN BY 20%, CLEAN AND DEADWOOD TWO OAK TREES (T1 & T2) COVERED BY TPO 55

    8 Bracken Lane Welwyn AL6 0RB

    Received 20 Jan 2009

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 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