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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
19,508Searchable applications
298Recorded as pending
86%Approval rate · 15,769 approved or refused records
2,197Refused applications

13,572 approved · 2,197 refused · 985 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2026/0905/TC

    Removal of dead Ash tree in the back of the garden- 5 day Notice

    74 Valley Road Welwyn Garden City AL8 7DP

    Received 21 May 2026
  2. Decided - Refused6/2019/1709/HOUSE

    Retention of replacement walls and piers and re-use of former railings and gates

    31 The Ridgeway, Cuffley, Potters Bar, EN6 4BB

    Received 11 Jul 2019
  3. Appeal Decided - Dismissed6/2021/1543/FULL

    Proposed change of use of amenity land to a private driveway with hardstanding to accommodate two parking spaces

    34 Haseldine Meadows Hatfield AL10 8HB

    Received 29 Apr 2021
  4. Decided - Granted6/2023/2436/PN8

    Prior approval for the erection of a single storey rear extension with insertion of roof lights, following demolition of existing conservatory measuring 4m in depth, 2.95m in height and 2.95m to the eaves

    3 Talbot Road Hatfield AL10 0QX

    Received 4 Dec 2023
  5. Decided - Split6/2019/0823/COND

    Submission of details pursuant to conditions 1(Material samples)2(Hard and Soft Landscape works Plan)4(Construction Method Plan)5(Revised plans showing alternative locations of cycle stores)6(Pedestrain footpath)7Archaelogical written scheme)9(Carpark surfacing and drainage) on approved planning ref 6/2018/0858/FULL

    Presbytery 141 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 5 Apr 2019
  6. Decided - Granted6/2019/0106/TPO

    Fell T1 1 x Sweet Chestnut tree covered by TPO 503 (2016)

    Queenswood School Shepherds Way Brookmans Park Hatfield AL9 6NS

    Received 21 Jan 2019
  7. Decided - Granted6/2019/1535/HOUSE

    Erection of a single storey side and rear extension and rooflights to be installed within the side and rear elevation of the roofslope and erection of garden shed

    112 Parkway Welwyn Garden City AL8 6HN

    Received 24 Jun 2019
  8. Decided - Granted6/2019/0138/TPO

    Reduce crown, T1 Cedar, Crown reduce laterally and height by 1.5-2.5m. TPO864 (2018)

    1 Danesbury Park North Ride Welwyn AL6 9SA

    Received 24 Jan 2019
  9. Decided - Granted6/2022/2344/HOUSE

    Erection of two storey side and single storey rear extension

    2 Hillcrest Hatfield AL10 8HW

    Received 7 Oct 2022
  10. Decided6/2018/2017/TPO

    Fell Ash saplings & reduce front hedge to around 4ft & trim - conservation area

    31 Vine Close Welwyn Garden City AL8 7PS

    Received 1 Aug 2018
  11. Decided - Granted6/2023/1550/HOUSE

    Erection of single storey front extension, part single, part two storey side extension and erection of first floor rear extension. Alterations to the rear including front and rear dormers

    54 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 26 Jul 2023
  12. Decided - Granted6/2019/1373/EM

    Erection of two storey rear,side and single storey rear extension with retention of current paved front garden remediated with new planting and hedgerow.

    50 Marley Road Welwyn Garden City AL7 4BS

    Received 7 Jun 2019
  13. Decided - Granted6/2023/0720/HOUSE

    Erection of front porch and replacement front window

    62 Runsley Welwyn Garden City AL7 1NJ

    Received 30 Mar 2023
  14. Decided - Granted6/2021/1258/EM

    Erection of part single and part two storey rear extension and replacement porch canopy

    51 Hall Grove Welwyn Garden City AL7 4PQ

    Received 19 Apr 2021
  15. Decided - Granted6/2022/2470/EM

    Fell 1x Magnolia

    12 Coneydale Welwyn Garden City AL8 7RZ

    Received 27 Oct 2022
  16. Decided - Granted6/2019/0427/HOUSE

    Alterations to fenestration on existing front elevation

    102 Forresters Drive Welwyn Garden City AL7 2JQ

    Received 25 Feb 2019
  17. Decided - Granted6/2020/3274/HOUSE

    Demolition of existing conservatory. Erection of two storey side extension and addition of rear dormer

    95 Robbery Bottom Lane Welwyn AL6 0UL

    Received 7 Dec 2020
  18. Decided - Granted6/2025/2384/TPO

    1 x oak to crown reduce by up to 30% to reduce regrowth back to the previous reduction points. TPO 928 (2018) T24.

    14 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 13 Nov 2025
  19. Decided - Granted6/2026/1160/HOUSE

    Raising the roof height and converting the garage into habitable use, installation of a pergola to the rear elevation of the dwelling and alteration to fenestration.

    2 Sycamore Avenue Hatfield AL10 8LZ

    Received 3 Jul 2026
  20. Decided - Granted6/2024/0967/EM

    Replacement of front door (like-for-like), replacement of rear kitchen window (like-for-like) and replacement of rear patio doors with bifold doors

    1 Rooks Hill Welwyn Garden City AL8 6EU

    Received 23 May 2024
  21. Decided - Granted6/2022/1166/COND

    Submission of details pursuant to condition 7 (screening) on planning permission 6/2021/3077/VAR

    75 Oaklands Avenue Hatfield AL9 7UH

    Received 20 May 2022
  22. Decided - Withdrawn6/2021/2814/COND

    Submission of detail pursuant to condition 1 (The brickwork, roof tile, bond, mortar, windows, detailing, guttering, soffits and other external decorations of the approved extension must match the existing dwelling in relation to colour and texture) on planning permission 6/2021/0461/HOUSE.

    53 Mardley Hill Welwyn AL6 0TT

    Received 29 Sept 2021
  23. Decided - Granted6/2020/2362/HOUSE

    Removal of old wooden structure garage and replace with timber structure garage.

    41 Bridge Road Welwyn Garden City AL8 6UG

    Received 15 Sept 2020
  24. Decided - Granted6/2024/0856/TPO

    Full crown reduction to the sycamore tree to 5m and the yew tree to 4m. (TPO 76 G3)

    22 Parkside Welwyn AL6 9DQ

    Received 7 May 2024

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

  • 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.

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  • 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.

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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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