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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2021/1891/TC

    4 Cypress - fell

    The Manor House Hill Farm Lane Ayot St Lawrence AL6 9BP

    Received 21 Jun 2021
  2. Decided - Granted6/2016/2101/FULL

    Change of use to mixed A1/A3 use

    17C Town Centre, 1 The Arcade, Hatfield AL10 0JY

    Received 5 Oct 2016
  3. Decided - Granted6/2024/2317/LAWP

    Certificate of lawfulness for a garage conversion, alterations to fenestration and hard standing

    7 Poplars Welwyn Garden City AL7 2AL

    Received 2 Dec 2024
  4. Decided - Granted6/2019/1065/FULL

    Erection of a 1x two bed flat with new external stairs, a roof extension, a single storey in-fill extension, installation of 2x dormers, roof lights and balcony, and demolition of existing chimney.

    Beecholme 54 Codicote Road Welwyn AL6 9UJ

    Received 2 May 2019
  5. Decided - Withdrawn6/2021/0931/FULL

    Change of use of land and erection of an equestrian building with ancillary equestrian storage

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

    Received 23 Mar 2021
  6. Decided - GrantedW6/2014/1140/EM

    Erection of single storey rear extension following demolition of existing conservatory, extension of existing hardstanding and incorporation of new hedging following part removal of existing front hedging

    8 Moorlands, Welwyn Garden City, AL7 4PP

    Received 29 May 2014
  7. Decided - Withdrawn6/2016/2602/FULL

    Change of use from B1 (Business) to D1 (Non-residential Institution)

    1 Alders Court Watchmead

    Received 7 Dec 2016
  8. Decided - GrantedS6/2004/0454/FP

    ERECTION OF A REAR CONSERVATORY

    48 Bluebell Way Hatfield AL10 9FJ

    Received 19 Mar 2004
  9. Decided - RefusedN6/2008/2362/FP

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE AND REAR EXTENSIONS

    16 COWPER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3LS

    Received 1 Dec 2008
  10. Decided - Granted6/2022/0713/EM

    Replacement of front first floor windows (like for like) and replacement front door

    42 Lemsford Lane Welwyn Garden City AL8 6YJ

    Received 25 Mar 2022
  11. Decided - Withdrawn6/2023/1694/HOUSE

    Erection of a single storey rear extension

    1 Vera Lane Digswell Welwyn AL6 0EW

    Received 14 Aug 2023
  12. Decided - GrantedN6/2014/2288/HH

    Prior approval for a single storey rear conservatory

    5 Burycroft, Welwyn Garden City, AL8 7AW

    Received 16 Oct 2014
  13. Decided - Granted6/2022/0763/EM

    Retrosepctive installation of replacement electric vehicle charging point

    30 Youngs Rise Welwyn Garden City AL8 6RU

    Received 29 Mar 2022
  14. Appeal Decided - AllowedS6/2009/0616/MA

    RETENTION OF SIX POLES AND ATTACHED LIGHTS AROUND PERIMETER OF MANEGE

    Coopersfield Coopers Lane Road Northaw Potters Bar EN6 4FB

    Received 1 Apr 2009
  15. Decided - Granted6/2021/1722/HOUSE

    Demolition of derelict lean to garage/storage and erection of two storey rear and side extension

    133 Hazel Grove Hatfield AL10 9DY

    Received 1 Jun 2021
  16. Decided - GrantedN6/2012/2510/DS

    Discharge of condition 3 (Landscaping) from planning permission C6/1988/0102/OP (Erection of a detached house and double garage)

    Land at Cole Green Lane, WELWYN GARDEN CITY, AL7 3XD

    Received 29 Nov 2012
  17. Decided - GrantedS6/2004/1087/FP

    ERECTION OF TWO STOREY REAR EXTENSION AND LOFT CONVERSION

    22 Green Lanes Hatfield AL10 9JT

    Received 15 Jul 2004
  18. Decided - Granted6/2026/1190/EM

    Retrospective consent for the installation of a single external condenser unit for a reversible air-to-air heat pump

    10 Walden Road Welwyn Garden City AL8 7PF

    Received 8 Jul 2026
  19. Decided - GrantedS6/2015/1381/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    15 Clarkes Road Hatfield AL10 0HN

    Received 26 Jun 2015
  20. Decided - Granted6/2021/3170/LAWP

    Certificate of lawfulness for loft conversion to include two side dormers and roof lights on side slope

    59 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 5 Nov 2021
  21. Decided6/2020/0278/TC

    Fell 3 x Sycamore tree T1, T2, T3 Fell 2 x Lawson Cypruss tree T4, T5 Covered by conservation area

    The Manor House Hill Farm Lane Welwyn AL6 9BP

    Received 30 Jan 2020
  22. Decided6/2021/0675/TC

    Fell 1 x Apple tree (T1)

    37 Valley Road Welwyn Garden City AL8 7DH

    Received 1 Mar 2021
  23. Decided - RefusedN6/2014/0009/LUP

    Certificate of lawfulness for the installation of 9 solar panels on front roof slope

    69 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 13 Jan 2014
  24. Decided - Granted6/2017/0953/FULL

    Change of use of council owned amenity land in order to form a vehicular hardstanding

    10 Dognell Green Welwyn Garden City AL8 7BL

    Received 8 May 2017

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

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    Planning application documents: what to read first

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    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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