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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
40,258Searchable applications
321Recorded as pending
86%Approval rate · 33,753 approved or refused records
4,813Refused applications

28,940 approved · 4,813 refused · 2,214 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/3176/COND

    Submission of details pursuant to condition 7 (swift nestling bricks / bird boxes), 8 (cycle parking), and 12 (travel plan) on planning application 6/2020/2526/MAJ

    Land west of Learning Resource Centre University of Hertfordshire College Lane Hatfield AL10 9AB

    Received 8 Nov 2021
  2. Decided - Granted6/2018/2842/EM

    Erection of a single storey rear extension

    45 Holwell Road Welwyn Garden City AL7 3RE

    Received 5 Nov 2018
  3. Decided - Refused6/2022/1908/FULL

    External canopy and recycling area in connection with operational purposes.

    A1 Connect Industrial Estate Cole Green Lane Welwyn Garden City AL7 4FW

    Received 16 Aug 2022
  4. Decided - GrantedN6/2004/0204/FP

    FORMATION OF EXTERNAL ACCESS RAMP AND HANDRAIL

    Barclays Bank PLC 1 Church Street Welwyn AL6 9LL

    Received 13 Feb 2004
  5. Decided - Granted6/2018/2571/HOUSE

    Erection of rear conservatory

    106 Dawley Welwyn Garden City AL7 1DX

    Received 5 Oct 2018
  6. Decided - GrantedS6/2013/2099/DS

    Discharge of condition 3 (Materials) for planning permission S6/2013/0349/FP - Removal of existing roof and replacement with a new roof including first floor accommodation, a two storey front extension and a single storey side extension

    45 Plough Hill, Cuffley, Potters Bar, EN6 4DP

    Received 7 Oct 2013
  7. Decided - Granted6/2018/2315/HOUSE

    Erection of rear dormer and conversion of loft

    103 Longcroft Lane Welwyn Garden City AL8 6EL

    Received 10 Sept 2018
  8. Decided - Refused6/2022/0880/HOUSE

    Erection of single storey rear extension, and two storey front extension with alterations to openings

    19 Birchall Wood Welwyn Garden City Hertfordshire AL7 2HL

    Received 12 Apr 2022
  9. Decided - GrantedN6/2010/0288/DS

    DISCHARGE OF CONDITION 3 (MATERIALS), 4,5,6 (LANDSCAPE), 7(CONSTRUCTION METHOD STATEMENT) & 8 (WINDOWS) OF PLANNING PERMISSION N6/2009/1098/FP

    61 Robbery Bottom Lane Welwyn AL6 0UL

    Received 15 Feb 2010
  10. Decided - Granted6/2019/0908/HOUSE

    Erection of single storey front extension and part two storey, part single storey rear extension following demolition of existing rear conservatory.

    21 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 15 Apr 2019
  11. Decided - GrantedN6/2007/0674/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    16 Creswick Court Welwyn Garden City AL7 3SX

    Received 1 May 2007
  12. Decided - GrantedN6/2004/0382/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    4 Hillside Way Welwyn AL6 0TY

    Received 12 Mar 2004
  13. Decided - Granted6/2020/1765/HOUSE

    Erection of a single, part two storey rear and two storey side extension following demolition of existing garage

    5 Coulter Close Cuffley Potters Bar EN6 4RR

    Received 20 Jul 2020
  14. Decided - RefusedS6/2015/1258/FP

    Demolition of existing dwelling and garage and creation of new residential development consisting of 4no self contained maisonettes

    13 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 16 Jun 2015
  15. Decided6/2024/1047/TC

    T1, T2 and T3 - Conifer fell to ground level. Lack of light and close proximity to house

    9 Northaw Road West Northaw Potters Bar EN6 4NW

    Received 5 Jun 2024
  16. Decided - Split6/2019/0397/COND

    Submission of details pursuant to condition 2 (archaeological work) on planning permission 6/2018/1463/HOUSE

    27 School Lane Welwyn AL6 9PQ

    Received 20 Feb 2019
  17. Decided - GrantedN6/2013/0097/FP

    Garage conversion

    20 Mendlesham, WELWYN GARDEN CITY, AL7 2QG

    Received 18 Jan 2013
  18. Decided - Granted6/2019/0231/ADV

    Retention of 1 non illuminated and 2 externally illuminated fascia signs and 1 A Board sign

    Ivy Cottage 2 Codicote Road Welwyn AL6 9NB

    Received 4 Feb 2019
  19. Decided - GrantedW6/2014/0921/EM

    Erection of rear conservatory

    77 Great Dell, Welwyn Garden City, AL8 7HP

    Received 22 Apr 2014
  20. Decided - Granted6/2023/2002/HOUSE

    Conversion of garage into habitable space, fenestration alterations, additional entrance to the front of the property, new bi-fold doors to the rear of the property

    4 St Johns Close Welwyn AL6 9RB

    Received 28 Sept 2023
  21. Decided - RefusedS6/2008/0996/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION

    32 Comet Road Hatfield AL10 0SX

    Received 26 Jun 2008
  22. Decided - Granted6/2017/2694/HOUSE

    Erection of part two and part single storey rear extension and installation of 2 x rear roof lights to facilitate roof alterations

    83 Moffats Lane Brookmans Park Hatfield AL9 7RT

    Received 20 Nov 2017
  23. Decided - RefusedN6/2009/0943/AD

    INSTALLATION OF TWO EXTERNALLY ILLUMINATED SIGNS

    Digswell Nurseries Great North Road Welwyn Garden City AL8 7SR

    Received 27 Apr 2009
  24. Decided - Granted6/2019/0464/FULL

    Installation of 8x floodlights at the Equine Lunge Arena

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 28 Feb 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

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 approval rates: how to read council statistics

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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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