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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - DismissedS6/2009/2027/FP

    RETENTION OF SUMMER HOUSE IN REAR GARDEN

    16 COURTYARD MEWS, BEDWELL PARK, CUCUMBER LANE, ESSENDON, HERTS, AL9 6GH

    Received 17 Sept 2009
  2. Decided - Granted6/2021/3287/HOUSE

    Rear facing gable end window, roof lights and dormer windows to side elevation to facilitate the conversion of roof space to habitable use.

    45 Butterwick Way Welwyn AL6 9GH

    Received 19 Nov 2021
  3. Decided - Granted6/2016/1419/LAWE

    Certificate of lawfulness for the erection of reconditioned shipping container, lean-to-shed, compost toilet and a yurt on behalf of Northaw and Cuffley Parish Council.

    Northaw Community Orchard, Northaw, Potters Bar, EN6 4NP

    Received 13 Jul 2016
  4. Decided - Granted6/2025/1182/EM

    Erection of front, rear and side extensions

    13 The Wade Welwyn Garden City AL7 4LG

    Received 12 Jun 2025
  5. Decided - Granted6/2025/0706/HOUSE

    Erection of a single storey rear/side infill extension, first floor side/rear extension, garage conversion including 1m extension and raising of roof, alteration to side elevation opening and insertion of rooflight to existing roof

    88 Attimore Road Welwyn Garden City AL8 6LP

    Received 14 Apr 2025
  6. Decided - GrantedW6/2013/0585/EM

    Infill to front elevation to match existing panel work

    35 Turmore Dale, WELWYN GARDEN CITY, AL8 6HT

    Received 11 Mar 2013
  7. Decided - Granted6/2020/2045/HOUSE

    Erection of a single storey front/side extension

    36 Heyford Way Hatfield AL10 0AT

    Received 13 Aug 2020
  8. Decided - GrantedS6/2013/0400/FP

    Erection of rear conservatory

    16 Birchwood Close Hatfield AL10 0PP

    Received 22 Feb 2013
  9. Decided - GrantedS6/2013/0931/DS

    Discharge of conditions 3 (Materials), 4 (Hard and Soft Landscaping), 5 (Sustainable Drainage Strategy) and 6 (Existing and Proposed Levels) from planning application S6/2012/2566/FP

    11 Hanyards Lane, Cuffley, POTTERS BAR, EN6 4AS

    Received 1 May 2013
  10. Decided - RefusedW6/2004/1306/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    73 Raymonds Plain, Welwyn Garden City, AL7 4TE

    Received 24 Aug 2004
  11. Decided - Granted6/2019/0010/HOUSE

    Erection of single and first storey rear extensions, garage and porch extensions and installation of 1 x rear dormer to facilitate loft conversion with alterations to openings

    22 Bluebridge Avenue Brookmans Park Hatfield AL9 7RZ

    Received 3 Jan 2019
  12. Decided - Granted6/2022/1928/FULL

    Erection of temporary building to provide two further clinical rooms

    Potterells Medical Centre Station Road Welham Green Hatfield AL9 7SN

    Received 17 Aug 2022
  13. Decided - WithdrawnS6/2014/1709/DS

    Approval of details reserved by condition 3 (materials) of S6/2013/1105/FP & S6/2013/1106/LB

    Tolmers Park, 3 Carbone Hill, Northaw, Hertford, SG13 8RG

    Received 30 Jul 2014
  14. Decided - Granted6/2026/0353/EM

    Erection of a single storey, flat roof extension to replace conservatory

    373 Knightsfield Welwyn Garden City AL8 7NB

    Received 26 Feb 2026
  15. Decided - GrantedS6/2015/0023/FP

    Proposed new roof alterations and new front door access arrangement

    138 Tolmers Road, Cuffley, Potters Bar, EN6 4JR

    Received 8 Jan 2015
  16. Decided - GrantedN6/2004/1105/FP

    ERECTION OF REAR CONSERVATORY

    5 Wendover Drive Welwyn AL6 9LT

    Received 1 Sept 2004
  17. Decided - Granted6/2020/2042/EMT

    Reduce canopy of 1 x Cherry Plum by 30% and 1 x Silver Birch by 30%

    122 Sweet Briar Welwyn Garden City AL7 3EA

    Received 13 Aug 2020
  18. Decided - GrantedW6/2014/0138/EM

    Erection of single storey rear extension

    6 Lodgefield, Welwyn Garden City, AL7 1SD

    Received 27 Jan 2014
  19. Decided6/2024/0100/TC

    Removal of 2 x Leyland Cypress trees (A and B) Crown reduction to lower height and spread by approximately 2-3 metres of 1 x walnut tree (C) Removal of 1 x dead Plum tree (D) Crown reduction to lower height and spread by approximately 1-2 metres of 1 x magnolia tree (E)

    35 Elmwood Welwyn Garden City AL8 6LD

    Received 15 Jan 2024
  20. Decided - GrantedN6/2013/2339/FP

    Replace existing conservatory roof with new flat roof

    37 Digswell Park Road, Welwyn Garden City, AL8 7NW

    Received 4 Nov 2013
  21. Decided - Granted6/2017/0445/LAWP

    Certificate of lawfulness for the erection of single storey rear extension following demolition of existing greenhouse and WC block

    43 Bradmore Way Brookmans Park Hatfield AL9 7QY

    Received 7 Mar 2017
  22. Decided - Granted6/2018/0645/FULL

    Erection of a two storey side and rear extension to create a self-contained 3-bed maisonette, roof alterations and the construction of a rear dormer window to facilitate conversion of loft to habitable space

    13 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 7 Mar 2018
  23. Decided - Granted6/2020/0286/LAWP

    Certificate of lawfulness for erection of a side and rear extension

    2 Danesbury Park Road Welwyn AL6 9SE

    Received 31 Jan 2020
  24. Decided - GrantedW6/2009/1384/EM

    INSERTION OF THREE ROOF LIGHTS INTO REAR ELEVATION AND WINDOW INTO SIDE ELEVATION

    98 COLE GREEN LANE, WELWYN GARDEN CITY, HERTS, AL7 3JD

    Received 2 Jul 2009

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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Guides to planning records

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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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