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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
29,164Searchable applications
307Recorded as pending
87%Approval rate · 24,191 approved or refused records
3,229Refused applications

20,962 approved · 3,229 refused · 1,550 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0542/FULL

    Erection of portakabin above existing portakabin with metal access stairway

    UK Pallets, Travellers Lane, Welham Green, Hatfield, AL9 7HF

    Received 31 Mar 2016
  2. Decided - Withdrawn6/2018/2342/HOUSE

    Erection of single storey side and rear extension with wrap around roof and installation of rear dormer and rooflights to facilitate loft conversion

    48 Wilshere Road Welwyn AL6 9PX

    Received 12 Sept 2018
  3. Decided - Refused6/2019/2468/FULL

    Change of use of 2x barns to 2x dwellings, alterations to openings, erection of detached garage, and creation of new vehicular access

    Wytmead, Essendon Hill, Essendon, Hatfield, AL9 6AW

    Received 3 Oct 2019
  4. Decided - Granted6/2021/0993/EM

    Single storey rear extension

    189 Parkway Welwyn Garden City AL8 6JA

    Received 25 Mar 2021
  5. Decided - Granted6/2021/1926/LAWP

    Certificate of lawfulness for erection of single storey outbuilding as garage, workshop, storage and home gym

    The Cottage Foxes Lane Hatfield AL9 7BA

    Received 24 Jun 2021
  6. Decided - Granted6/2025/1575/COND

    Submission of details pursuant to condition 3 (Phasing plan) on planning permission 6/2021/0516/VAR

    Land at Panshanger Welwyn Garden City AL7 2QJ

    Received 21 Jul 2025
  7. Decided - Granted6/2021/0337/EM

    Erection of single storey rear infill extension

    30 Fordwich Road Welwyn Garden City AL8 6EY

    Received 3 Feb 2021
  8. Decided - Refused6/2025/1621/COND

    Submission of details pursuant to condition 1 (Materials), condition 2 (Surface water drainage), condition 3 (Hard and soft landscaping) on planning permission 6/2023/0772/FULL

    74 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 29 Jul 2025
  9. Decided - Granted6/2017/0965/EM

    Erection of a single storey rear part and infill extension, new timber patio/decking area to rear of property and alterations to openings, following the removal of existing conservatory. Conversion of existing garage to gym and utility room, with the installation of 3 rooflights.

    47 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 8 May 2017
  10. Under Consideration6/2026/1418/LAWP

    Certificate of lawfulness for installation of rear dormer and front rooflights

    49 Tolmers Road Cuffley Potters Bar EN6 4JG

    Received 11 Aug 2026
  11. Decided - Granted6/2017/0191/EM

    Pollard two Poplar trees to 30ft

    99 Handside Lane WGC AL8 6SP

    Received 1 Feb 2017
  12. Decided - Granted6/2016/2125/LAWP

    Certificate of lawfulness for a proposed garage conversion

    22 Selwyn Crescent Hatfield AL10 9NN

    Received 12 Oct 2016
  13. Decided - Refused6/2024/2005/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.9m in depth, 3m in height and 2.6m to the eaves

    12 Sycamore Avenue Hatfield AL10 8LZ

    Received 18 Oct 2024
  14. Decided - GrantedN6/2014/0202/TC

    Reduce Two Ash trees by 3ft and remove Ivy plus trim Privitt hedge

    75 Newfields, Welwyn Garden City, AL8 6YS

    Received 31 Jan 2014
  15. Decided - Granted6/2023/1436/COND

    Submission of details pursuant of condition 2, parts B and C (Archaeological Written Scheme of Investigation) on planning permission 6/2019/2431/MAJ

    Link Drive Car Park Link Drive Hatfield AL10 8TY

    Received 11 Jul 2023
  16. Appeal Decided - Allowed6/2018/2414/FULL

    Change of use from amenity to residential land and the formation of a hardstanding to include a pathway

    22 Great Ganett Welwyn Garden City AL7 3DE

    Received 13 Sept 2018
  17. Decided - Granted6/2026/0898/EMT

    T1 Ash, self set against dwelling to fell and stump poison, no replant. T2 Ash, self set against fencing to fell and stump poison, no replant.

    99 Blythway Welwyn Garden City AL7 1DL

    Received 20 May 2026
  18. Decided - GrantedS6/2013/2013/FP

    Erection of porch, single storey side and rear and two storey side and rear extensions (including alteration to existing openings and demolition of existing garage/store)

    7A Roe Green Lane, Hatfield, AL10 0SH

    Received 20 Sept 2013
  19. Decided - Granted6/2020/2377/PN8

    Erection of single storey Edwardian style conservatory to rear

    12 Birchwood Close Hatfield AL10 0PP

    Received 15 Sept 2020
  20. Appeal Decided - DismissedS6/2014/0226/FP

    Erection of 4 detached dwellings with access from Kingsmead following demolition of 19 Kingsmead

    Land at and to rear of, 19 Kingsmead, Hill Rise and Plough Hill, Cuffley, Potters Bar, EN6 4AN

    Received 22 Jan 2014
  21. Decided - Granted6/2022/0395/FULL

    Erection of 1 x two storey, 5-bed, detached dwelling, involving demolition of existing 5-bed dwelling

    19 Carbone Hill Northaw Potters Bar EN6 4PJ

    Received 21 Feb 2022
  22. Decided - WithdrawnW6/2014/1285/EM

    Parking of Caravan on the front grass area between the front of the dwelling house and the privet hedge

    38 Hyde Way, Welwyn Garden City, AL7 3AE

    Received 5 Jun 2014
  23. Decided - Granted6/2022/0705/EM

    Replacement of vehicle hard standing with brick paving with additional works and retention of planting.

    125 Daniells Welwyn Garden City AL7 1QT

    Received 24 Mar 2022
  24. Decided - Granted6/2015/2324/HOUSE

    Erection of single storey front & side extensions

    10 Rose Mead, Little Heath, Potters Bar, EN6 1JP

    Received 16 Nov 2015

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

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    Planning application documents: what to read first

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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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