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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
24,615Searchable applications
313Recorded as pending
86%Approval rate · 20,177 approved or refused records
2,787Refused applications

17,390 approved · 2,787 refused · 1,295 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2018/1798/TPO

    Fell 1 x Birch tree (T1) and replace with same tree species - covered by conservation area

    4 School Lane Welwyn AL6 9DZ

    Received 3 Jul 2018
  2. Decided - Granted6/2023/2463/COND

    Submission of details pursuant to condition 1 (Noise Impact Assessment) on planning permission 6/2023/1326/FULL

    38-40 Fretherne Road Welwyn Garden City AL8 6NU

    Received 7 Dec 2023
  3. Decided - Granted6/2018/3054/MAJ

    Refurbishment, alteration and extension of the hotel complex; replacement dining and function room, following the demolition of more modern extensions and outbuildings, reconfiguration of the car park and gardens, including external lighting, hard and soft landscaping and associated infrastructure.

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 30 Nov 2018
  4. Decided - Granted6/2016/2734/COND

    Approval of details reserved by condition 5 (Prior commencement details) on listed building consent 6/2016/0867/LB

    Stocking Lane Cottage Hill Farm Lane Welwyn AL6 9BW

    Received 29 Dec 2016
  5. Appeal Decided - Dismissed6/2017/2158/FULL

    Retention of an extended and altered building

    Beavers Lodge Farm Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 25 Sept 2017
  6. Decided6/2025/0061/TC

    Hornbeam T1- crown reduction by 30% to provide sufficient clearance to property and telephone lines (Reduce height by 2.5m and width by 1.5m), not to exceed previous pruning points. Clear around phone lines by a maximum of 500mm. Remove deadwood consisting of branches greater than 30mm in diameter.

    19 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 16 Jan 2025
  7. Decided - Granted6/2021/1671/HOUSE

    Erection of single storey rear extension

    23 Heathbrow Road Welwyn AL6 0QG

    Received 25 May 2021
  8. Decided - Granted6/2023/0466/EMT

    Fell 3 ash trees and replace with suitable replacement species.

    125 Thistle Grove Welwyn Garden City AL7 4AG

    Received 1 Mar 2023
  9. Decided - Granted6/2025/1850/FULL

    Change of Use from Use Class C3 (dwellinghouse) to a sui generis HMO comprising 7 bedrooms with ensuites, 6 kitchenettes and 4 parking spaces with landscaping changes

    13 Flamingo Close Hatfield AL10 9LU

    Received 29 Aug 2025
  10. Decided - Granted6/2022/2803/LAWP

    Certificate of lawfulness for the erection of two dormers on both sides of the roof

    9 South Drive Cuffley Potters Bar EN6 4HP

    Received 12 Dec 2022
  11. Decided - Granted6/2016/1441/EM

    Fell 5 x Maple trees to ground level and reduce Robina tree by 2m

    27 Birdcroft Road, Welwyn Garden City, AL8 6EH

    Received 15 Jul 2016
  12. Decided - Granted6/2021/1013/EMH

    Erection of concrete hard-standing for 2 x cars at front of property with pathway to the house

    22 Great Ganett Welwyn Garden City AL7 3DE

    Received 26 Mar 2021
  13. Decided - Granted6/2025/0695/TPO

    T3 oak tree to fell.

    1 Pennyfathers Lane Welwyn AL6 0EN

    Received 10 Apr 2025
  14. Decided - Refused6/2019/0457/FULL

    Erection of a 1 x eco house dwelling following demolition of existing stables

    Land north of Harmer Green Lane Welwyn AL6 0ET

    Received 28 Feb 2019
  15. Decided - Granted6/2021/2108/TPO

    Hornbeam (T3) – Crown thin by 25% Reduce branches over hanging neighbours property. Reduce branches to abate encroachment upon adjacent oak tree and remove any epicormic growth. Tree covered by TPO 711

    1 Juniper Gardens Welwyn AL6 0XH

    Received 13 Jul 2021
  16. Decided - Granted6/2021/3217/HOUSE

    Erection of a single storey side and two storey rear extension including internal alterations

    1 Guessens Road Welwyn Garden City AL8 6QW

    Received 10 Nov 2021
  17. Decided - Granted6/2018/0289/TPO

    Reduce 1 x Oak tree by 30 % covered by TPO 538 (2016)

    6 Heath Close Little Heath Potters Bar EN6 1LT

    Received 30 Jan 2018
  18. Decided - Granted6/2023/0766/LAWP

    Certificate of lawfulness to replace windows from single glazed to double glazed and insulated render to front and side elevation

    Applecroft Primary School Applecroft Road Welwyn Garden City AL8 6JZ

    Received 6 Apr 2023
  19. Decided - Granted6/2023/0434/EM

    Installation of a two post timber canopy painted white with a lead covered roof. A black timber 6 panel door with 2 top lights. A sectional black garage door

    38 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 24 Feb 2023
  20. Decided - Granted6/2022/2214/HOUSE

    Installation of larger front dormer and brick up existing side facing windows

    32 Fulling Mill Lane Welwyn AL6 9NS

    Received 26 Sept 2022
  21. Decided - Granted6/2020/0626/HOUSE

    Erection of single storey rear extension and roof alterations

    17 Woodland Way Welwyn AL6 0RZ

    Received 27 Feb 2020
  22. Decided - Granted6/2022/0837/ADV

    Installation of 2 sets of externally illuminated fascia text signs and 2 externally illuminated projection signs

    Cote Brasserie 1-3 Howardsgate Welwyn Garden City AL8 6AL

    Received 6 Apr 2022
  23. Decided - Refused6/2024/0871/HOUSE

    Erection of a part first floor rear extension

    15 High Dells Hatfield AL10 9JD

    Received 9 May 2024
  24. Decided6/2024/0257/EIA

    Request for a screening opinion to determine whether an Environmental Statement is required

    Land at Tollgate Farm Colney Heath St Albans AL4 0NY

    Received 7 Feb 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

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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

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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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