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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 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 Counts reflect the last collected status; some records may be out of date.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
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 - GrantedN6/2004/1485/FP

    RETENTION OF EXISTING TELEGRAPH POLE

    LAND TO FRONT OF, 42/44 FORDWICH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EY

    Received 6 Oct 2004
  2. Decided - Granted6/2021/2075/HOUSE

    First floor side extension (revised)

    18 Mardley Hill Welwyn AL6 0TN

    Received 9 Jul 2021
  3. Decided - GrantedN6/2009/1185/TC

    REMOVAL OF DYING PLUM TREE AND STUMP AND REDUCE THE LOW CROWN OF LARGE HAZEL TREE TO JUST BEYOND OLD PRUNING CUTS AND TO LIGHTLY REDUCE UPPER CROWN TO BALANCE, ALSO TO REMOVE ALL MAJOR DEAD WOOD

    3 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JT

    Received 3 Jun 2009
  4. Decided - WithdrawnN6/2007/1230/FP

    PROPOSED SINGLE STOREY SIDE EXTENSION AND NEW GARAGE

    40 Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 15 Aug 2007
  5. Decided6/2021/2359/TC

    Hornbeam - crown reduce by 30%

    19 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 10 Aug 2021
  6. Appeal Decided - AllowedS6/2009/0011/FP

    RETENTION OF FRONT BOUNDARY BRICK WALLS, RAILINGS AND GATES

    THE FIRS, 69A TOLMERS ROAD, CUFFLEY, HERTFORDSHIRE, EN6 4JJ

    Received 6 Jan 2009
  7. Decided - Granted6/2025/0650/LAWP

    Certificate of lawfulness for use of the property as sui-generis comprising Use Class C3 Dwelling and Use Class E(e) Chiropractors

    32 Great North Road Welwyn Garden City AL8 7TJ

    Received 3 Apr 2025
  8. Decided - Granted6/2019/3152/COND

    Submission of details pursuant to condition 7 (sample of materials) on planning permission 6/2019/1382/FULL

    Kellard / Entech House London Road Woolmer Green SG3 6JR

    Received 16 Dec 2019
  9. Decided - GrantedS6/2005/0276/FP

    DEMOLITION OF EXISTING DWELLING & ERECTION OF REPLACEMENT RE-SITED DWELLING

    Blackthorn House West End Lane Essendon Hatfield AL9 6AX

    Received 9 Mar 2005
  10. Decided - Granted6/2015/1875/HOUSE

    Erection of single storey rear extension and existing first floor internal alterations and replacement of dormers

    5 The Meadway Cuffley Potters Bar EN6 4ET

    Received 7 Sept 2015
  11. Decided - Refused6/2020/1999/LAWP

    Certificate of lawfulness for the erection of a detached outbuilding.

    22 The Avenue Welwyn AL6 0PP

    Received 11 Aug 2020
  12. Decided - Granted6/2016/0307/COND

    Approval of details reserved by Condition 6 on planning permission N6/2014/1020/S73A

    Welwyn Car Repairs, Moorlands, Welwyn Garden City, AL7 4PW

    Received 23 Feb 2016
  13. Decided - Granted6/2016/1073/PN8

    Prior approval for erection of single storey rear extension measuring 4.3m length, 2.96m high and 2.89m eaves height

    11 Ryelands, Welwyn Garden City, AL7 4LH

    Received 28 Apr 2016
  14. Decided - GrantedN6/2014/1396/FP

    Erection of two storey rear and side extensions, installation of two roof lights and garage conversion to habitable accommodation. Enlargement of hardstanding and entrance gates

    2 Roundwood Close Welwyn AL6 0XB

    Received 20 Jun 2014
  15. Decided - Granted6/2025/1590/PN15

    The installation of an 18 metre high monopole supporting 9 no. antennas and 2 no. transmission dishes with a wraparound cabinet at base, together with 5 no. equipment cabinets, and ancillary development thereto including 2 no. GPS nodes.

    Grass Area off Gypsy Moth Avenue/Mosquito Way Hatfield AL10 9SN

    Received 23 Jul 2025
  16. Decided - GrantedN6/2014/2733/FP

    Erection of single storey rear extension and front porch

    8 Glebe Road Welwyn AL6 9PB

    Received 19 Dec 2014
  17. Decided - GrantedW6/2007/1296/EM

    ALTERATIONS TO FRONT ELEVATION

    38 Hyde Way, Welwyn Garden City, AL7 3AE

    Received 30 Aug 2007
  18. Decided - Granted6/2024/0877/COND

    Submission of details pursuant to condition 15 (New access), condition 16 (Closure of existing access), condition 19 (External lighting) and condition 24 (Drainage management and maintenance) on planning permission 6/2021/2492/FULL

    Garages Hollyfield Hatfield AL10 8LW

    Received 9 May 2024
  19. Decided - Granted6/2020/2699/COND

    Submission of details pursuant to condition 3 (additional drawings of fenestration and access), condition 4 (building regulations upgrading), 7 (external pipes, extracts, grilles, flues, lights and any additions) and 10 (fixture to the existing window and materials of the balustrade) on listed building consent 6/2018/3141/LB, dated 19/03/2019

    Guessens 6 Codicote Road Welwyn AL6 9NB

    Received 16 Oct 2020
  20. Decided - Granted6/2026/0892/COND

    Submission of details pursuant to Condition 1 (Pre-Works Chamber and Pipe Survey) on planning permission 6/2023/1802/MAJ

    Land East of A6129 Stanborough Hatfield AL8 7TB

    Received 20 May 2026
  21. DecidedN6/2014/2175/TC

    Shorten trespass of Scots Pine tree over building by upto 2m, thin crown by upto 20% and remove deadwood

    23 Russellcroft Road, Welwyn Garden City, AL8 6QX

    Received 2 Oct 2014
  22. Decided - Refused6/2018/2550/ADV

    Installation of 1x non illuminated banner sign

    The Stanborough Stanborough Road Welwyn Garden City AL8 6DQ

    Received 3 Oct 2018
  23. Decided - Granted6/2016/1737/HOUSE

    Erection of single storey side extension following demolition of existing garage, conservatory and single storey extension

    31 Great North Road Welwyn Garden City AL8 7TJ

    Received 23 Aug 2016
  24. Decided - Granted6/2025/1251/EMT

    1 x Magnolia to reduce by 2m height and width

    367 Knightsfield Welwyn Garden City AL8 7NB

    Received 18 Jun 2025

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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    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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