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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnS6/2013/1712/FP

    Conversion of garage into habitable accommodation

    25 Lark Rise Hatfield AL10 8RN

    Received 7 Aug 2013
  2. Decided - GrantedS6/2007/1295/FP

    INSTALLATION OF AIR CONDENSING UNITS TO STORE ROOF

    98 Asda Superstore Town Centre Hatfield AL10 0JW

    Received 17 Sept 2007
  3. DecidedN6/2013/1476/DS

    Discharge of condition 3 (Materials), 4 (Hard & Soft Landscaping), 5 (Details of external lighting), 6 (Details of cycle stores), 7 (Details of tree protection), 8 (Retained trees), 9 (Amenity area), 10 (Clearance of shrubs & trees) from planning application N6/2013/0503/FP - Erection of 4 x 2 bed flats and 1 x 1 bed flat following demolition of existing dwelling

    1 Elizabeth Close, Welwyn Garden City, AL7 2JD

    Received 17 Jul 2013
  4. Appeal Decided - Split6/2020/1914/HOUSE

    Demolition of conservatory and erection of single storey and part two storey rear extension.

    50 Maryland Hatfield AL10 8DX

    Received 23 Jul 2020
  5. DecidedN6/2009/0801/TC

    CLEAR TREE 2363 FROM OVERHEAD OBSTRUCTIONS

    34 VALLEY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7DN

    Received 1 May 2009
  6. Decided - Granted6/2016/1570/HOUSE

    Conversion of garage and installation of 1no rooflight

    20 Great Break, Welwyn Garden City, AL7 3EZ

    Received 1 Aug 2016
  7. Decided - Granted6/2020/2459/TPO

    Oak - fell

    1 Peel Court College Way Welwyn Garden City AL8 6DG

    Received 25 Sept 2020
  8. Decided - Refused6/2017/1023/COND

    Submission of details pursuant to condition 2f (Open Space for Local Area or Local Equipped Area for play) on planning permission N6/2013/2563/DE

    The Frythe 5 Digswell Hill Welwyn AL6 9AR

    Received 10 May 2017
  9. Decided - Granted6/2021/3251/HOUSE

    Erection of a single storey rear extension including raising the roof height of the existing rear flat roof

    11 The Cloisters Welwyn Garden City AL8 6DU

    Received 15 Nov 2021
  10. Decided - GrantedN6/2008/1382/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    27 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JE

    Received 8 Aug 2008
  11. Decided - Granted6/2019/1950/COND

    Submission of details pursuant to condition 1 (Materials) 6/2019/1004/HOUSE

    39 Osborne Road Little Heath Potters Bar EN6 1SB

    Received 1 Aug 2019
  12. Decided - Refused6/2025/1989/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.22m in height and 3m to the eaves

    17 Wilshere Road Welwyn AL6 9PU

    Received 15 Sept 2025
  13. Decided - Granted6/2026/0838/EMT

    1 x Cherry to remove to ground level. Removing due to ongoing decline and low vigour. The tree has minimal foliage which has declined over recent years

    16 Pitsfield Welwyn Garden City AL8 7SJ

    Received 12 May 2026
  14. Decided - Refused6/2024/1032/OUTLINE

    Detached dwelling at rear of existing dwelling (Outline application with all matters reserved).

    83 Great Ganett Welwyn Garden City AL7 3DD

    Received 3 Jun 2024
  15. Decided - Granted6/2021/2607/HOUSE

    Erection of single storey rear garden room

    49 Lockley Crescent Hatfield AL10 0TL

    Received 23 Aug 2021
  16. Decided - Granted6/2019/0811/FULL

    Change of use to allow for flexible use class of B1c Light Industry, B2 General Industry and B8 Storage & Distribution with associated vehicle parking

    Land off Crossway Welwyn Garden City

    Received 29 Mar 2019
  17. Decided - Granted6/2018/0335/COND

    Submission of details pursuant to condition 3 (arrangements for surface water) on planning permission 6/2017/0708/FULL

    11 Kerdistone Close Little Heath Potters Bar EN6 1LG

    Received 1 Feb 2018
  18. Decided - Granted6/2026/0612/EM

    Installation of 18 solar panels - eight on the front roof slope, five on the rear pitched roof and five panels on a low-profile MCS-approved flat roof mounting system to the rear

    1 Dellcott Close Welwyn Garden City AL87BB

    Received 8 Apr 2026
  19. Decided - GrantedN6/2015/0091/FP

    Conversion of existing stable block to residential accommodation, incorporating extensions to building, and change of use of associated land to residential.

    1 & 2 Hill Farm Cottage, Hill Farm Lane, Welwyn, AL6 9BN

    Received 21 Jan 2015
  20. Decided - Granted6/2017/2713/HOUSE

    Erection of single storey front and rear extensions, to include alterations to openings on existing side elevation of property and change of external finish of existing property

    38 Holme Road Hatfield AL10 9LF

    Received 22 Nov 2017
  21. Decided - Granted6/2018/3103/LAWP

    Certificate of lawfulness for a detached double garage with pitched roof

    47 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 5 Dec 2018
  22. Decided - Granted6/2018/2460/TPO

    Reduce 1 x Beech tree and 1 x Oak tree by 25% covered by TPO 633(2017)

    1A The Drive Welwyn AL6 0TW

    Received 25 Sept 2018
  23. Decided - GrantedN6/2004/0724/FP

    VARIATION OF CONDITION 2 OF PLANNING PERMISSION REF:-N6/1993/871/FP TO ALLOW HOURS OF OPENING TO EXTEND UNTIL 12.00 MIDNIGHT

    DOCTOR'S TONIC P H, CHURCH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE., AL8 6PR

    Received 14 May 2004
  24. Decided - Granted6/2016/2291/FULL

    Erection of 6 x 15.4m high storage silos

    Sika Ltd Watchmead, Welwyn Garden City, AL7 1BQ

    Received 2 Nov 2016

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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