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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
24,676Searchable applications
313Recorded as pending
86%Approval rate · 20,234 approved or refused records
2,798Refused applications

17,436 approved · 2,798 refused · 1,297 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0422/EMT

    Fell T5 6m Australian Gum Tree to remediate subsidence issues Fell T1 4.5m Blue Spruce tree due to size, drain interference, and impact on nearby Laburnum tree

    11 Pentley Close Welwyn Garden City AL8 7SH

    Received 6 Mar 2025
  2. Decided - Granted6/2025/0138/EM

    Replacement of four, first floor windows, like for like

    217 Knightsfield Welwyn Garden City AL8 7QL

    Received 27 Jan 2025
  3. Decided - Granted6/2018/1682/COND

    Submission of details pursuant to condition 2 (implementation of a programme of archaeological work) on planning permission 6/2017/2653/HOUSE

    3 Pentley Close Welwyn Garden City AL8 7SH

    Received 22 Jun 2018
  4. Decided - Granted6/2017/0625/COND

    Submission of details pursuant to condition 2 (detailed scheme for the collection, containment and removal of manure) attached to planning permission 6/2016/2141/MAJ dated 08/03/2017

    Land at Ponsbourne Park Newgate Street Hertford SG13 8QS

    Received 27 Mar 2017
  5. Decided - Granted6/2021/1318/COND

    Submission of details pursuant to condition 1 (external lighting scheme) on planning permission 6/2020/0592/VAR.

    101 Brookmans Avenue Brookmans Park Hatfield AL9 7QG

    Received 23 Apr 2021
  6. Decided - Granted6/2024/0629/HOUSE

    Increase in height of boundary wall and replacement of existing gates

    68 New Park Road Newgate Street Hertford SG13 8RF

    Received 3 Apr 2024
  7. Decided - Granted6/2025/2390/HOUSE

    Erection of a single-storey rear and side extensions, and loft conversion with front and rear dormer windows to the existing bungalow

    15 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 13 Nov 2025
  8. Decided - Granted6/2023/1399/EMT

    1 x Willow to fell to ground level

    177 Knightsfield Welwyn Garden City AL8 7QG

    Received 5 Jul 2023
  9. Decided - Granted6/2024/2148/HOUSE

    Erection of wooden shed

    144 Crawford Road Hatfield AL10 0PA

    Received 7 Nov 2024
  10. Decided - Granted6/2017/2650/HOUSE

    Erection of part first floor extension, ground floor orangery and extension of front porch

    8 Coulter Close Cuffley Potters Bar EN6 4RR

    Received 14 Nov 2017
  11. Decided - Granted6/2025/1996/TPO

    T1- Oak Tree at the front of the property no 27 Oakland rise. 30% reduction all over back to previous points. T2- Oak tree down the side of the property, to reduce crown by 20%

    27 Oaklands Rise Welwyn AL6 0RN

    Received 16 Sept 2025
  12. Decided - GrantedS6/2015/0174/FP

    Erection of two storey front extension, single storey porch, part single storey and part two storey rear extension and single storey side extension

    46 Mymms Drive Brookmans Park Hatfield AL9 7AF

    Received 30 Jan 2015
  13. Decided - Granted6/2020/2493/EMT

    1 x Cherry to reduce by 4m height & 2m width

    183 Howlands Welwyn Garden City AL7 4RL

    Received 29 Sept 2020
  14. Decided - Granted6/2022/1799/EMT

    1 Hornbeam - reduce crown by 30% and raise crown away form neighbours garage 2 Hornbeam - reduce crown by 30% 3 Red Maple - reduce crown by 30% 4 Gingko - reduce crown by 30%

    2 Handside Green Welwyn Garden City AL8 6SQ

    Received 1 Aug 2022
  15. Decided - Granted6/2019/0685/EM

    Erection of a single storey extension to rear and installation of a roof lantern

    61 Sweet Briar Welwyn Garden City AL7 3DU

    Received 21 Mar 2019
  16. Decided - Granted6/2020/0483/COND

    Submission of details pursuant to condition 3 (amended car parking plan) on application 6/2019/2378/FULL

    1A Town Centre Hatfield AL10 0JZ

    Received 19 Feb 2020
  17. Decided - Granted6/2025/2596/EMT

    1 x Eucalyptus to reduce over long branches (over the garden of No. 9 only) throughout canopy by around 3 metres in order to create a more compact canopy shape. To reduce over extended branches over garden of no.9 by 3m to create a more compact shape and reduce risk of branch failure. Reduce branches over garden and property by 3m of No8 as they are now close to property, also heavily extended over smaller shrubs and plants, suppressing growth and limiting light

    9 High Grove Welwyn Garden City AL8 7DW

    Received 18 Dec 2025
  18. Decided - Granted6/2023/0440/HOUSE

    Erection of a single storey rear extension with garage conversion

    60 Sylvandale Welwyn Garden City Hertfordshire AL7 2HT

    Received 27 Feb 2023
  19. Decided - Refused6/2016/0529/ADV

    Installation of 2 non-illuminated pole mounted free standing signs

    Roundabout 7, Bessemer Road and Haldens, Welwyn Garden City, AL7 1DJ

    Received 31 Mar 2016
  20. Decided - Granted6/2018/0185/FULL

    Provision of new electricity substation and switchgear cabinet.

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 19 Jan 2018
  21. Decided6/2024/1698/EIA

    Request for a screening opinion to determine whether an Environmental Statement is required in relation to the development of up to 450 dwellings, a primary school, associated open space and a pedestrian/cycle bridge over the East Coast Main Line.

    Land West of Brookmans Park

    Received 4 Sept 2024
  22. Decided - WithdrawnW6/2014/1478/TE

    Pollard two Sycamore trees to 5 metres and Lift crowns of two Maple trees by 1 metre plus 20% reduction

    11 The Valley Green Welwyn Garden City AL8 7DQ

    Received 1 Jul 2014
  23. Decided - Refused6/2016/0893/LAWP

    Certificate of lawfulness for the proposed erection of single storey rear and side extension

    12 Sharmans Close Digswell Welwyn AL6 0AR

    Received 9 May 2016
  24. Decided - Granted6/2022/0254/EM

    Replacement of Garage door with window

    54 Beehive Lane, Welwyn Garden City, AL7 4BP

    Received 4 Feb 2022

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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    Published Updated

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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