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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
39,871Searchable applications
298Recorded as pending
86%Approval rate · 33,429 approved or refused records
4,779Refused applications

28,650 approved · 4,779 refused · 2,188 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/1890/DS

    Discharge of condition 3 (materials) of planning permission N6/2013/1125/FP

    9 Chelveston, Welwyn Garden City, AL7 2PW

    Received 30 Aug 2013
  2. Decided - GrantedN6/2009/0833/FP

    CHANGE OF USE FROM B1 (OFFICE) TO D1 (HEALTH CLINIC)

    UNIT A6 WELTECH CENTRE, RIDGEWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2AA

    Received 11 May 2009
  3. Decided - Granted6/2015/2573/EM

    Fell 4 Sycamore trees to ground level and reduce 4 Conifers to 1.8m to form a hedge.

    2 Mannicotts, Welwyn Garden City, AL8 7BW

    Received 11 Dec 2015
  4. Appeal Decided - DismissedN6/2007/1840/MA

    ERECTION OF NURSING HOME WITH RESPITE CARE AND ANCILLARY SERVICES, FOLLOWING DEMOLITION OF EXISTING BUILDING

    59 London Road Woolmer Green Knebworth SG3 6JE

    Received 30 Nov 2007
  5. Decided - Granted6/2019/1870/HOUSE

    Erection of a single storey front, side and rear extension following demolition of garage

    5 Elm Drive Hatfield AL10 8NR

    Received 31 Jul 2019
  6. Decided - GrantedN6/2007/1423/FP

    ERECTION OF SIDE SINGLE STOREY EXTENSION

    1 SALISBURY GARDENS, WELWYN GARDEN CITY, HERTS, AL7 3RS

    Received 25 Sept 2007
  7. Decided - Granted6/2015/2399/TPO

    Thin Beech tree canopy by up to 30% - Conservation Area.

    22 Turmore Dale, Welwyn Garden City, AL8 6HS

    Received 30 Nov 2015
  8. Decided - GrantedN6/2009/2750/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED SINGLE STOREY SIDE EXTENSION

    27 BLYTHWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1DJ

    Received 31 Dec 2009
  9. Decided - Granted6/2024/1720/FULL

    Alterations to front extension to incorporate existing terraces within dwelling envelope together with associated internal works

    30-34 Turmore Dale Welwyn Garden City AL8 6HS

    Received 6 Sept 2024
  10. Decided - Granted6/2025/2582/FULL

    Erection of two storey rear extension. No change of use

    6 Southfield Welwyn Garden City AL7 4ST

    Received 17 Dec 2025
  11. Decided - Granted6/2020/0641/HOUSE

    Erection of single storey rear extension, crown roof extension and conversion of loft with front, side and rear dormers and rear terrace

    4 Plough Hill Cuffley Potters Bar EN6 4DR

    Received 6 Mar 2020
  12. Decided - Granted6/2025/2127/COND

    Submission of details pursuant to condition number 4 (materials) on planning permission 6/2023/1898/FULL

    58 Harmer Green Lane Digswell Welwyn AL6 0AW

    Received 6 Oct 2025
  13. Decided - Granted6/2019/0080/EM

    Reduce 1x Ash tree by 30%

    5 The Orchard Welwyn Garden City AL8 7PL

    Received 16 Jan 2019
  14. Decided - Refused6/2015/2191/LB

    Alterations to the front elevation from white to red brick, receiving colour wash and for the existing tuck pointing to be reinstated on listed building consent N6/2013/1052/LB

    11A High Street Welwyn AL6 9EE

    Received 22 Oct 2015
  15. Decided - RefusedS6/2006/0623/CD

    INSTALLATION OF A MATERIALS RECYCLING FACILITY (MRF) AND REGULARISATION OF VARIOUS OTHER MATTERS

    Chas Storer Ltd Coopers Lane Northaw Potters Bar EN6 4NE

    Received 15 May 2006
  16. Decided - Granted6/2019/1045/HOUSE

    Retention of hard landscaping works to the rear garden

    37 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 30 Apr 2019
  17. Decided - Granted6/2025/1342/LAWP

    Certificate of lawfulness for the installation of solar panels (photovoltaic cells) to the roof

    2 Frythe Avenue Welwyn AL6 9GF

    Received 26 Jun 2025
  18. Decided6/2025/1624/TC

    Mayflower Hawthorn dead branches to be removed and the crown reduced by one third

    10 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 29 Jul 2025
  19. Decided - Granted6/2018/1435/EM

    Formation of block paving hardstanding

    55 Springfields Welwyn Garden City AL8 6XT

    Received 23 May 2018
  20. Decided - WithdrawnC6/1988/0790/FP

    Change of use from light industrial Class III to business class B1

    Bridge Road East, Welwyn Garden City, AL7 1JU

    Received 1 Jan 1988
  21. Decided - Refused6/2020/0025/HOUSE

    Erection of a two storey side extension, installation of window to facilitate garage conversion and erection of new detached garage

    48 Poppyfields Welwyn Garden City AL7 2HJ

    Received 8 Jan 2020
  22. Decided - Granted6/2021/2439/EM

    Erection of a single storey rear extension

    81 Sweet Briar Welwyn Garden City AL7 3EB

    Received 20 Aug 2021
  23. Decided - Granted6/2026/0489/COND

    Submission of details pursuant to Condition 10 (Materials) and Condition 12 (Elevation of the access (balcony) door) on planning permission 6/2024/1512/MAJ

    Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB

    Received 16 Mar 2026
  24. Decided - GrantedN6/2014/1884/TP

    Works to reduce by 3 metres a Sweet Chestnut tree (T1) covered by TPO 99

    1 Harvest Court Welwyn AL6 0NG

    Received 26 Aug 2014

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 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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