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
39,499Searchable applications
344Recorded as pending
86%Approval rate · 33,050 approved or refused records
4,725Refused applications

28,325 approved · 4,725 refused · 2,165 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2025/2440/HOUSE

    Erection of a single storey front extension and garage conversion

    67 Selwyn Crescent Hatfield AL10 9NW

    Received 21 Nov 2025
  2. Decided - RefusedS6/2013/2664/FP

    Erection of a single dwelling house with ancillary works to replace the existing house on the site which, together with a wide range of structures, will be demolished

    Little Elephant, High Road, Essendon, Hatfield, AL9 6HR

    Received 16 Dec 2013
  3. Decided - GrantedN6/2014/0466/TC

    Removal of Apple tree

    10 Colgrove, Welwyn Garden City, AL8 6HU

    Received 24 Feb 2014
  4. Decided - Granted6/2024/0228/EMT

    T1, Sycamore tree, to reduce overall canopy size by 30%

    39 Thistle Grove Welwyn Garden City AL7 4AD

    Received 5 Feb 2024
  5. Decided - Refused6/2026/0735/LAWE

    Certificate of lawfulness for the existing use of the land as residential garden land ancillary to the dwellinghouse continuously since 2012

    1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 27 Apr 2026
  6. Decided - GrantedS6/2014/2381/FP

    Erection of a replacement dwelling following demolition of existing dwelling

    15 Tolmers Road, Cuffley, Potters Bar, EN6 4JF

    Received 28 Oct 2014
  7. Decided - Refused6/2018/2419/EM

    Proposed formation of vehicle hardstanding following removal of 3 metre section of front hedging

    10 Little Ganett Welwyn Garden City AL7 3DG

    Received 20 Sept 2018
  8. Decided - GrantedS6/2013/2406/DS

    Discharge of condition 3 (Materials) 4 (Landscaping) of planning permission S6/2013/0355/FP - Demolition of 8 prefabricated bungalows, construction of 2 houses & 4 bungalows & associated works (affordable housing)

    Formerly The Bungalows, Essendon Hill, Essendon, Hatfield, AL9 6AQ

    Received 15 Nov 2013
  9. Decided - GrantedW6/2004/1652/EM

    ERECTION OF REAR CONSERVATORY

    5 Buddcroft, Welwyn Garden City, AL7 2AT

    Received 9 Nov 2004
  10. Decided - GrantedN6/2014/1729/FP

    Erection of single storey rear conservatory

    12 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 31 Jul 2014
  11. Decided - Granted6/2020/2576/EM

    Widening and re-surfacing of driveway, with landscaping works

    18 Coneydale Welwyn Garden City AL8 7RZ

    Received 5 Oct 2020
  12. Decided - GrantedC6/1988/0624/FP

    First floor rear extension

    9 New Road Welwyn Garden City AL8 7TX

    Received 1 Jan 1988
  13. Decided - GrantedN6/2008/1843/DS

    DISCHARGE OF CONDITION 3 (MATERIALS) OF PLANNING PERMISSION N6/2008/1097/FP AND CONDITION 6 OF ESTATE MANAGEMENT CONSENT W6/2008/1098/EM

    9 Brockett Close Welwyn Garden City AL8 7BN

    Received 1 Oct 2008
  14. Decided6/2017/2318/MAJ

    Erection of 2 x 2-bedroom, 4 x 3-bedroom and 5 x 4-bedroom houses, including use of existing access and landscape screening

    Woodhurst Cattlegate Road Northaw Enfield EN2 8AU

    Received 10 Oct 2017
  15. Decided - Refused6/2025/0485/HOUSE

    Erection of rear first floor and loft extension

    39 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 17 Mar 2025
  16. Decided - Granted6/2018/3039/EM

    Fell 1 x Cherry tree and replace with Cherry tree

    49 Elmwood Welwyn Garden City AL8 6LD

    Received 28 Nov 2018
  17. Decided - Granted6/2021/3179/HOUSE

    Replacement of existing conservatory with new orangery.

    Lower West End Farm West End Lane Essendon Hatfield AL9 6AZ

    Received 8 Nov 2021
  18. Decided - Granted6/2020/1099/FULL

    Change of use from amenity to residential land with the formation of a hardstanding

    74 Rosedale Welwyn Garden City AL7 1DR

    Received 15 May 2020
  19. Decided - Withdrawn6/2022/2713/FULL

    Subdivision of existing dwelling to create two separate dwellinghouses

    24 Thistle Grove Welwyn Garden City Hertfordshire AL7 4AN

    Received 30 Nov 2022
  20. Decided - Refused6/2017/1968/HOUSE

    Erection of two storey side/ infill/ linkage extension, alterations to existing pitched roof, erection of pitched roof over existing single storey outbuilding to facilitate creation of habitable space, installation of front bay window extension following demolition of existing entrance canopy. Alterations to doors and windows. Demolition of existing shed

    The Firs Cottage Woodside Lane Hatfield AL9 6DF

    Received 1 Sept 2017
  21. Decided - Granted6/2015/1789/COND

    Approval of details reserved by condition 4 (materials of the external walls and roof) on planning permission N6/2015/0927/FP

    40 New Road Digswell Welwyn AL6 0AH

    Received 21 Aug 2015
  22. Decided - RefusedN6/2014/1743/NM

    Non material amendment following approval of planning permisiion N6/2014/1251/FP - Alteration to front elevation to reinstall garage door, convert room back to garage/tool store and erection of single storey side extension

    1 Long Ley Welwyn Garden City AL7 2HE

    Received 31 Jul 2014
  23. Decided - GrantedW6/2013/1926/TE

    Reduce 5 Fir trees back by upto 20%, removal of Silver Birch tree and raise crown of Cherry tree by upto 6ft

    125 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 29 Aug 2013
  24. Decided - SplitS6/2013/0600/DS

    Discharge of conditions 3 (Phasing Plan), 6, 7 and 14 (External Drainage Surface & Foul Water Drainage Layout), 9 (Archaeology Evaluations), 13 (Site Investigation Reports) and 15 (Construction Management Plan) from planning application S6/2012/1928/PP

    University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 19 Mar 2013

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

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.

  • 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.

  • 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.

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.

Check collection coverage