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
20,408Searchable applications
298Recorded as pending
86%Approval rate · 16,486 approved or refused records
2,320Refused applications

14,166 approved · 2,320 refused · 1,043 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2019/0309/HOUSE

    Erection of single storey side extension, two storey front, side and rear extensions to form a crown roof with side and rear dormers following part demolition of existing dwelling

    26 Pine Grove Brookmans Park Hatfield AL9 7BS

    Received 11 Feb 2019
  2. Decided - Granted6/2025/1940/COND

    Submission of details pursuant of condition 4 (heat pump details) on planning permission 6/2023/1271/FULL

    Land Adjacent to 54 New Road Digswell Welwyn AL6 0AH

    Received 9 Sept 2025
  3. Decided - Granted6/2021/0689/FULL

    Connecting three commercial units into a single retail space with associated external alterations consisting of a new shop front, signage, glass canopy, first floor windows to front and rear elevation and applying self coloured render finish to the front facade

    41 Town Centre Hatfield AL10 0JJ

    Received 3 Mar 2021
  4. Decided - Refused6/2024/1117/EM

    Formation of hardstanding following removal of hedge

    5 Lady Grove, Welwyn Garden City, AL7 4DS

    Received 17 Jun 2024
  5. Under Consideration6/2026/0755/HOUSE

    Erection of single storey side and rear extension with split level roofline

    38 Westland Drive Brookmans Park AL9 7UQ

    Received 29 Apr 2026
  6. Decided6/2021/0345/TC

    Fell 1 x Eucalyptus and 1 x Yew. Reduce 1 x Goat Willow by 3m

    17 The Old Drive Welwyn Garden City AL8 6TB

    Received 4 Feb 2021
  7. Decided - Granted6/2019/1483/HOUSE

    Erection of a two storey rear extension following demolition of conservatory

    5 Shrublands Brookmans Park Hatfield AL9 7AL

    Received 19 Jun 2019
  8. Decided6/2023/2259/TC

    Fell 1 x Eucalyptus

    45 Mill Green Road Welwyn Garden City AL7 3UX

    Received 8 Nov 2023
  9. Decided6/2019/0937/TC

    Fell 1 x Lawson Cypress

    3 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 17 Apr 2019
  10. Decided - Granted6/2022/1682/HOUSE

    Erection of a single storey rear extension & patio raising

    4 East Ridgeway Cuffley Potters Bar Hertfordshire EN6 4AP

    Received 18 Jul 2022
  11. Decided - Withdrawn6/2020/2776/FULL

    Change of use of land and erection of an equestrian building with ancillary equestrian storage (part retrospective) including associated hardstanding.

    Cromer Hyde Cromer Hyde Farm Marford Road Lemsford Welwyn Garden City AL8 7XD

    Received 23 Oct 2020
  12. Decided - Split6/2018/0492/ADV

    Installation of 5 x internally illuminated stainless steel signs and 2 x aluminium signs

    Travelodge Gate House Welwyn Garden City AL8 6NU

    Received 20 Feb 2018
  13. Call In/Major Objection6/2024/1907/FULL

    Change of use from residential dwelling (Class C3) to a residential care home (Class C2)

    11 Gould Close Welham Green Hatfield AL9 7EB

    Received 3 Oct 2024
  14. Decided - Granted6/2021/0988/EMH

    Erection of a driveway.

    70 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 25 Mar 2021
  15. Decided - Granted6/2021/0891/EM

    Construction of a driveway to the front of the property onto Lemsford Lane with dropped kerb.

    58 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 18 Mar 2021
  16. Decided - Granted6/2022/1922/EM

    Erection of first floor rear extension

    68 Peartree Lane Welwyn Garden City AL7 3UH

    Received 17 Aug 2022
  17. Decided - Granted6/2021/1909/HOUSE

    Conversion of garage to kitchen with alterations to walls and roof

    29 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 22 Jun 2021
  18. Decided - Granted6/2017/2907/ADV

    Installation of 2x Internally Illuminated Signs, 2x internally illuminated Posterboard Signs, 1x non-illuminated Logo Sign and 4x Graphic Signs

    Bessemer Road Welwyn Garden City AL7 1HH

    Received 15 Dec 2017
  19. Decided - Granted6/2018/1156/EM

    Installation of wood burner stove flue through rear roof slope

    29 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 30 Apr 2018
  20. Decided - Granted6/2017/0513/FULL

    Change of use from a large HMO for up to 8 people (sui-generis use) to a Guest House (Use Class C1) for up to 21 people - retrospective

    The White House, 5 West View, Hatfield, AL10 0PJ

    Received 10 Mar 2017
  21. Decided - Granted6/2021/3034/FULL

    Change of use from commercial (Class E) at ground floor level to residential (Class C3) to facilitate creation of a 2 bedroom dwellinghouse.

    10 Church Street Welwyn AL6 9LX

    Received 22 Oct 2021
  22. Decided - Refused6/2017/2695/MAJ

    Erection of 72 residential units consisting of 46 houses (12 x 3 bed and 34 x 4 bed) and 26 flats (4 x 1 bed and 22 x 2 bed), 657 sqm retail floor space (A1) and 485.1 sqm office floor space (B1)a)) with associated landscaping, parking and infrastructure, involving demolition of existing industrial (B2) buildings and residential units.

    Entech House London Road Woolmer Green SG3 6JE

    Received 20 Nov 2017
  23. Decided - Granted6/2024/2416/EMT

    60ft Oak to reduce by 30% (approximately back to previous). Remove 8 x 30ft conifer. Mixed shrubs to remove at the back of the garden. 3 x Plum to remove by the fence. Client is planning to replant ornamental cherry tree and a Japanese maple tree

    22 Guessens Road Welwyn Garden City AL8 6RA

    Received 20 Dec 2024
  24. Decided - Granted6/2023/0017/HOUSE

    Erection of single storey rear extension with insertion of rooflight, following demolition of existing conservatory

    9 Mitchell Close Welwyn Garden City AL7 2NH

    Received 4 Jan 2023

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

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.

  • 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