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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/0299/S73B

    Variation of condition 2 (Approved Plans) of planning permission N6/2010/0939/FP (Demolition of existing chalet bungalow and erection of five houses and associated garaging, car parking and landscaping)

    10 Wendover Lodge Church Street Welwyn AL6 9LR

    Received 8 Feb 2013
  2. Decided - SplitN6/2014/2791/TP

    To fell one Douglas fir and crown reduce by 30% one ash tree sited within the front garden. Within land to the rear of the property to crown reduce by 20-30% one cherry and one ash tree (standing) adjacent to Hall Grove public footpath and fell one lime (central) and one ash tree (close to rear boundary). All tree covered by TPO80 G1.

    8 The Limes, Welwyn Garden City, AL7 4BD

    Received 29 Dec 2014
  3. Decided - Granted6/2025/0678/HOUSE

    Erection of a single storey side and rear extension with flat roof and 2No sky lights at rear extension roof

    24 Falcon Close Hatfield AL10 8QY

    Received 8 Apr 2025
  4. Decided - GrantedN6/2009/1151/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    15 BIRDCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EH

    Received 3 Jun 2009
  5. Decided - GrantedS6/2009/1625/LU

    PROPOSED LOFT CONVERSION

    41 BLUEBRIDGE ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7UW

    Received 31 Jul 2009
  6. Decided - Granted6/2018/1019/FULL

    Conversion of a single storey bungalow into two residential premises using the existing structure with a single storey rear extension.

    7 Mardley Avenue Welwyn AL6 0TU

    Received 18 Apr 2018
  7. Decided - Granted6/2019/1527/EM

    Erection of single storey side and part single, part two, part first floor rear extensions and erection of garden wall following demolition of existing wall

    The Old Manse 40 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 24 Jun 2019
  8. Decided - Refused6/2020/1743/PN8

    Erection of single storey rear extension

    76 College Lane Hatfield AL10 9PQ

    Received 14 Jul 2020
  9. Decided - Granted6/2020/3280/HOUSE

    Erection of first floor side extension, first floor rear extension to facilitate loft conversion, fenestration alterations and replacement chimney

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 7 Dec 2020
  10. Decided - Granted6/2025/2347/COND

    Submission of details pursuant to condition 1 (Materials), condition 2 (Surface water drainage) and condition 3 (Hard and soft Landscaping) on planning permission 6/2023/0772/FULL

    74 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 6 Nov 2025
  11. Decided - Granted6/2022/1617/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2021/1872/HOUSE

    2 Broadfield Place Welwyn Garden City Hertfordshire AL8 6LJ

    Received 8 Jul 2022
  12. Appeal Decided - AllowedN6/2013/1211/TP

    Fell three douglas firs covered by TPO 19 G1

    8 Mardley Hill Welwyn AL6 0TN

    Received 12 Jun 2013
  13. Decided - GrantedW6/2005/1373/EM

    ERECTION OF SHIPLAP PANEL FENCING

    59 Bushey Ley, Welwyn Garden City, AL7 3HB

    Received 2 Nov 2005
  14. Decided - Granted6/2018/2108/EM

    Fell and grind 1 x Eucalyptus Tree (T1)

    84 Handside Lane Welwyn Garden City AL8 6SJ

    Received 10 Aug 2018
  15. Decided - Granted6/2018/0867/HOUSE

    Erection of single storey front porch extension following demolition of existing

    15 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE

    Received 3 Apr 2018
  16. Decided - Granted6/2019/1681/PN8

    Prior approval for the erection of a single storey rear extension measuring 2.95m in depth, 4m in height and 3m to the eaves

    22 Kingswell Ride Cuffley EN6 4LH

    Received 8 Jul 2019
  17. Decided - Granted6/2015/2008/HOUSE

    Roof conversion incorporating two pitched roof dormers to the front elevation

    19 New Park Road, Newgate Street, Hertford, SG13 8RD

    Received 29 Sept 2015
  18. Decided - Granted6/2024/1496/ADV

    Installation of 1 x freestanding illuminated advertisement display

    Petrol Filling Station Land adjacent to Bridge Road East Welwyn Garden City AL7 1LE

    Received 6 Aug 2024
  19. Decided - GrantedN6/2014/0411/FP

    Alteration and enlargement of existing rear entrance porch and replacement of existing PVCu balcony doors with timber sash window set

    Ayot Lodge, Ayot Green, Ayot St Peter, Welwyn, AL6 9AB

    Received 25 Feb 2014
  20. Decided - Withdrawn6/2018/1338/FULL

    Erection of a three-storey extension to the northern elevation of the existing hotel and a single storey extension to existing entrance lobby (C1), alterations to car parking layout, landscaping and associated works

    Premier Inn Stanborough Road Welwyn Garden City AL8 6DQ

    Received 21 May 2018
  21. Decided - GrantedN6/2013/1299/DS

    Discharge of conditions 3 (Fencing) and 4 (Secure Cycle Parking) from planning application N6/2013/0721/FP

    Trevelyan House, Church Road, Welwyn Garden City, AL8 6NT

    Received 17 Jun 2013
  22. Decided - Granted6/2024/0815/EM

    Proposed Outbuilding

    22 Great Break Welwyn Garden City AL7 3EZ

    Received 30 Apr 2024
  23. Decided - Granted6/2023/2221/EM

    Re-pollard 3 x Limes to existing pruning points approx 3m height and width

    8 Guessens Road Welwyn Garden City AL8 6QR

    Received 1 Nov 2023
  24. Decided - GrantedN6/2008/1863/MA

    ERECTION OF SELF-STORAGE CENTRE (CLASS B8) WITH ANCILLARY CAR PARKING FOLLOWING DEMOLITION OF EXISTING BUILDING

    13-15 BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3BQ

    Received 29 Sept 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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  • 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