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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
35,718Searchable applications
331Recorded as pending
86%Approval rate · 29,757 approved or refused records
4,033Refused applications

25,724 approved · 4,033 refused · 1,872 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2013/2304/FP

    Erection of part two storey and part single storey rear extensions

    1 Heath Cottages, Little Heath, Potters Bar, EN6 1LS

    Received 30 Oct 2013
  2. Decided - Granted6/2024/2345/HOUSE

    Erection of a single storey rear and side extensions, garage conversion into habitable room with a false pitched roof, roof conversion with rear dormer, Juliet balcony windows to first floor rear elevation and new obscure windows and skylight to side elevations

    6 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 4 Dec 2024
  3. Decided - Granted6/2026/1399/PN8

    Prior approval for a single storey rear extension measuring 4.50m in depth, 2.58m to the eaves and the maximum height of 2.75m

    1 High Dells Hatfield AL10 9JD

    Received 7 Aug 2026
  4. Decided - Granted6/2020/1321/HOUSE

    Erection of first floor rear extension

    19 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 10 Jun 2020
  5. Decided - GrantedN6/2013/0369/FP

    Erection of single storey side extension

    10 Attimore Road, WELWYN GARDEN CITY, AL8 6LW

    Received 25 Feb 2013
  6. Decided - GrantedN6/2013/0478/FP

    Erection of single storey side and rear extension

    5 Upper Shot, WELWYN GARDEN CITY, AL7 1RP

    Received 6 Mar 2013
  7. Decided - GrantedN6/2009/1163/TP

    CROWN THINNING AND REDUCTION BY 20% AND LIFTING BY 4 METRES FOR 3 OAK TREES COVERED BY TPO 24 AREA 3

    8 Mardley Heights Welwyn AL6 0TX

    Received 5 Jun 2009
  8. Decided - Granted6/2023/2161/EMT

    2 x Eucalyptus trees to fell in the rear garden. T1 is dead. T2 is causing damage to the properties and blocking light to the bedrooms.

    52 Corners Welwyn Garden City AL7 1RW

    Received 23 Oct 2023
  9. Decided - GrantedS6/2008/1775/FP

    ERECTION OF REAR CONSERVATORY

    28 Heron Way Hatfield AL10 8QL

    Received 16 Sept 2008
  10. Decided - Granted6/2016/2044/COND

    Approval of details reserved by condition 6 (Green Travel Plan) on planning permission 6/2016/0737/FULL

    Unit 2, 184 St Albans Road West, Hatfield, AL10 0TF

    Received 3 Oct 2016
  11. Decided - Granted6/2018/0540/LAWP

    Certificate of lawfulness for the installation of 120 solar PV panels

    Unit 1 Travellers Close Welham Green Hatfield AL9 7JL

    Received 23 Feb 2018
  12. Decided - Granted6/2017/1118/FULL

    Erection of porch for side door of office

    10 Parkway Welwyn Garden City AL8 6HG

    Received 23 May 2017
  13. Appeal Decided - DismissedS6/2008/0207/FP

    ERECTION OF PART SINGLE STOREY AND PART TWO STOREY SIDE EXTENSION.

    17 GLEBE COTTAGES, ESSENDON, HATFIELD, HERTS, AL9 6HQ

    Received 1 Feb 2008
  14. Decided - RefusedN6/2013/2288/FP

    Erection of single storey side extension new boundary wall to replace existing fence and retention of 1800mm high close boarded fence

    2 Digswell Hill Welwyn AL6 9AL

    Received 30 Oct 2013
  15. Decided - Refused6/2017/2074/EM

    Erection of single storey rear extension and installation of new patio

    13 Moorend Welwyn Garden City AL7 4QL

    Received 14 Sept 2017
  16. Decided - Granted6/2025/1645/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2025/0617/HOUSE

    14 Upland Drive Hatfield AL9 6PS

    Received 31 Jul 2025
  17. Decided - Granted6/2023/2448/HOUSE

    Erection of single storey side orangery extension with flat roof and glazed roof lantern

    30 New Road Digswell Welwyn AL6 0AH

    Received 5 Dec 2023
  18. Decided - Refused6/2016/2049/LAWE

    Retention of existing rear garden outbuilding with new extension (Application for a Lawful Development Certificate for an Existing use or operation)(Section 191)

    22 Homestead Lane Welwyn Garden City AL7 4LU

    Received 3 Oct 2016
  19. Decided - Granted6/2016/1842/EM

    Semi-pollard Weeping Willow tree plus reduce Malus tree crown back to old cuts - 6-8 foot reduction.

    6 Broadfield Place, Welwyn Garden City, AL8 6LJ

    Received 7 Sept 2016
  20. Decided - Granted6/2020/2953/HOUSE

    Erection of a single storey rear extension, two storey side extension and roof alterations to facilitate additional rooms on the first floor

    10 Hillside Way Welwyn AL6 0TY

    Received 11 Nov 2020
  21. Decided - GrantedW6/2008/0893/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    92 BROOMHILLS, WELWYN GARDEN CITY, HERTS, AL7 1RD

    Received 6 Jun 2008
  22. Decided - Granted6/2020/0455/COND

    Submission of details pursuant to condition 1 (Construction Method Statement) on application (6/2019/0585/FULL)

    Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR

    Received 18 Feb 2020
  23. Decided - RefusedS6/2007/1916/MA

    FORMATION OF A TENNIS COURT AND FOOTPATH

    Lake View Leggatts Park Great North Road Little Heath Potters Bar EN6 1NZ

    Received 10 Dec 2007
  24. Decided - Granted6/2019/1072/HOUSE

    Erection of a single storey side extension and conversion of the existing garage.

    1 Four Acres Welwyn Garden City AL7 4NW

    Received 3 May 2019

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

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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

    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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