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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
34,536Searchable applications
313Recorded as pending
87%Approval rate · 28,769 approved or refused records
3,809Refused applications

24,960 approved · 3,809 refused · 1,795 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2123/TPO

    Reduce Beech tree by 3m height and 4-5m width covered by TPO 1156 (1954)

    29 Warren Way Digswell Welwyn AL6 0DQ

    Received 20 Sept 2017
  2. Decided - Refused6/2022/1812/FULL

    Installation of new crossover

    35 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 2 Aug 2022
  3. Decided - Withdrawn6/2018/2076/FULL

    Conversion of existing coach house to a single dwelling including alterations to openings

    Abdale Coach House Abdale House Warrengate Road Brookmans Park AL9 7TX

    Received 9 Aug 2018
  4. Decided - Refused6/2020/1769/HOUSE

    Erection of a front porch

    12 Sparrowhawk Place Hatfield AL10 9UR

    Received 20 Jul 2020
  5. Decided - Refused6/2020/3290/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.83m in depth, 3.00m in height and 2.80 to the eaves

    86 Bell Lane Hatfield AL9 7AY

    Received 6 Dec 2020
  6. Decided6/2024/2174/COND

    Submission of details pursuant of condition 6 (scheme of parking enforcement measures/management) and condition 29 (scheme of parking enforcement measures/management) on planning permission 6/2019/3024/MAJ

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 12 Nov 2024
  7. Decided - Refused6/2019/2366/EM

    Erection of a two storey side and rear extension

    49 Attimore Road Welwyn Garden City AL8 6LG

    Received 24 Sept 2019
  8. DecidedN6/2008/2041/TC

    REMOVE CONIFER AND MAINTENANCE TO HORNBEAM INCLUDING CROWN THINNING BY 20%

    192 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TD

    Received 23 Oct 2008
  9. Decided - Granted6/2026/1051/EM

    Replacement of exisiting driveway with widened permeable resin bound gravel hardstanding

    37 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 16 Jun 2026
  10. Decided - Granted6/2021/3377/HOUSE

    Proposed installation of infill railings and electric gates

    81 Brookmans Avenue Hatfield AL9 7QG

    Received 1 Dec 2021
  11. Decided - Granted6/2016/1704/EM

    Erection of single storey side and rear extension following demolition of existing shed

    40 Longcroft Lane, Welwyn Garden City, AL8 6EF

    Received 17 Aug 2016
  12. Decided - Granted6/2019/2443/FULL

    Sub-division of existing 5-bedroom house to form 1 x 2-bedroom house and 1 X 1 bedroom house, including new front door and new porch roof above

    4 Somers Square Welham Green Hatfield AL9 7PS

    Received 2 Oct 2019
  13. Decided - Refused6/2020/2879/LAWP

    Certificate of lawfulness for the erection of an outbuilding

    1 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 4 Nov 2020
  14. Decided - Refused6/2023/1153/HOUSE

    Erection of single storey side, rear and front extensions and new porch

    6 Broadfield Road Woolmer Green Knebworth SG3 6LZ

    Received 31 May 2023
  15. Decided - Granted6/2016/0937/COND

    Approval of details reserved by condition 4 (landscaping) on reserved matters application 6/2015/1901/RM

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 13 May 2016
  16. Decided - GrantedS6/2009/0007/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    7 Swanland Road, Hatfield, AL9 7TG

    Received 16 Jan 2009
  17. Decided - Granted6/2017/1553/FULL

    Erection of a pedestrian turnstile gate and associated tarmac footpath

    Computacenter UK Ltd Hatfield Avenue Hatfield AL10 9TW

    Received 17 Jul 2017
  18. Decided - Granted6/2017/1854/EM

    Reduce 1 x Birch tree by 3m, 1 x Sycamore tree by 1.5m in height and 3m in width and fell 1 x Lawson Cypress tree to ground level

    51 Peartree Lane Welwyn Garden City AL7 3UA

    Received 21 Aug 2017
  19. Decided - Granted6/2024/0521/COND

    Submission of details pursuant to conditions 4 (Surface Materials Details) and 5 (Replacement Native Tree Details) on planning permission 6/2023/0764/HOUSE

    17 Elmwood Welwyn Garden City AL8 6LD

    Received 18 Mar 2024
  20. Decided - Refused6/2020/2796/HOUSE

    Raising of the ridge, formation of a dormer to rear slope & installation of three no. rooflights to front roof slope

    3 Oakington Welwyn Garden City AL7 2PS

    Received 26 Oct 2020
  21. Decided - Granted6/2021/2391/HOUSE

    Erection of a pre-fabricated two bay wooden carport with a concrete base

    11A Heath Road Welwyn AL6 0TP

    Received 13 Aug 2021
  22. DecidedN6/2009/2217/TE

    REMOVAL OF ONE ASH TREE AND THREE LILAC BUSHES

    75 NEWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YS

    Received 16 Oct 2009
  23. Decided - Refused6/2023/0304/HOUSE

    Erection of part single storey rear extension, part two storey rear extension and single storey side extension, following demolition of existing garage and ground floor extension, with alterations to openings

    72 Pentley Park Welwyn Garden City AL8 7SG

    Received 7 Feb 2023
  24. Decided - Granted6/2021/2644/HOUSE

    Raise flat roof height of single storey side extension to increase the internal ceiling height to match the rest of house

    1 Forresters Drive Welwyn Garden City AL7 2HN

    Received 10 Sept 2021

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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