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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
34,926Searchable applications
313Recorded as pending
87%Approval rate · 29,083 approved or refused records
3,881Refused applications

25,202 approved · 3,881 refused · 1,819 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1767/FULL

    Erection of 5 bedroom detached home after the demolition of the existing house and garage.

    154 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 20 Jul 2020
  2. Decided6/2025/0649/TC

    Reduce 1 x Oak by removing dead branches over 1.5m in length and 40mm in diameter removed from the crown with 2m crown reduction from the height and 1.5m from lateral branches

    13 Reddings Welwyn Garden City AL8 7LA

    Received 3 Apr 2025
  3. Decided - Granted6/2018/2505/PN19

    Prior approval for the erection of an agricultural building

    83 Codicote Road Welwyn AL6 9TY

    Received 1 Oct 2018
  4. Decided6/2023/1790/TC

    Limes x 3 to cut overhanging branches back to boundary to a height of 5m from ground level. No branch wider than 100mm will be cut.

    14 The Quadrangle Welwyn Garden City AL8 6SG

    Received 25 Aug 2023
  5. Decided - GrantedW6/2014/1949/EM

    Erection of two storey rear extension with pitched roof and single storey rear conservatory

    49 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 15 Aug 2014
  6. Decided - RefusedN6/2015/1364/FP

    Erection of single storey front and side extensions and loft conversion

    31 Eddington Crescent Welwyn Garden City AL7 4SX

    Received 23 Jun 2015
  7. Decided - Granted6/2020/2032/LAWE

    Certificate of lawfulness for the use of the property as a 5-bedroom HMO with no more than 8 occupants

    31 Blackthorne Close Hatfield AL10 9DS

    Received 13 Aug 2020
  8. DecidedN6/2008/1942/TC

    REDUCE ASH TREE BY 33%, REDUCE SYCAMORE TREE BY 33% AND REMOVAL OF SYCAMORE TREE FROM REAR GARDEN

    29 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LQ

    Received 9 Oct 2008
  9. Decided - Granted6/2025/2159/EM

    Part 2 storey and single storey rear extension

    225 Howlands Welwyn Garden City AL7 4HG

    Received 10 Oct 2025
  10. Decided - Granted6/2020/3330/HOUSE

    Erection of a front porch extension, side extension, garage conversion with new pitched roof, rear extension, rear dormer window, front facing rooflights to existing roof and replacement of existing roof tiles with slate tiles.

    10 Elmoor Close Welwyn AL6 9PF

    Received 11 Dec 2020
  11. Decided - Granted6/2018/1281/EM

    Reduce 1 x Eucalyptus tree by 2 x limbs overhanging next door by 3m and remove 3 x low limbs

    9 Attimore Close Welwyn Garden City AL8 6LN

    Received 15 May 2018
  12. Decided - GrantedS6/2013/0966/FP

    Application for the retention of a 4 bedroom, 4 person House in Multiple Occupation (HMO - C4 Use Class) affecting the ground and first floors of The Rookery Cafe.

    The Rookery Cafe Great North Road Welham Green Hatfield AL9 5SF

    Received 3 May 2013
  13. Decided - Granted6/2019/2246/EM

    Reduce 1 x Hornbeam (HH) by 33% Reduce 1 x Oak (O) by 33% Reduce 1 x Cherry (C) by 33% Reduce 1 x Silver Birch (SB) by 33% Reduce 1 x Beech tree (B) by 33% Fell 1 x Laurel bush (L)

    1 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 10 Sept 2019
  14. Decided - Refused6/2024/1322/HOUSE

    Erection of a part double and part single storey rear extension and outbuilding following the demolition of existing conservatory

    4 The Pastures Welwyn Garden City AL7 4PX

    Received 10 Jul 2024
  15. Decided - RefusedN6/2009/1196/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    47 GRESLEY CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7QA

    Received 5 Jun 2009
  16. Decided - GrantedS6/2014/1144/FP

    Conversion of detached dwelling to a two bedroom ground floor flat and a four bedroom dwelling including replacement rear conservatory and erection of single storey rear extension

    28 Plough Hill, Cuffley, Potters Bar, EN6 4DR

    Received 21 May 2014
  17. Decided - Granted6/2025/0402/COND

    Submission of details pursuant to condition number 4 (Solar panels), on appeal decision APP/C1950/D/24/3354214 (6/2024/1153/HOUSE)

    15 Guessens Road Welwyn Garden City AL8 6QL

    Received 3 Mar 2025
  18. Decided - Refused6/2023/0485/COND

    Submission of details pursuant of condition 21 (asbestos) on planning permission 6/2021/2492/FULL

    Derelict Garages Hollyfield Hatfield AL10 8LW

    Received 2 Mar 2023
  19. Decided - Granted6/2021/3226/HOUSE

    Erection of a single storey rear extension following demolition of existing attached outbuilding and insertion of x1 new door to existing side elevation at ground floor level

    536 Howlands Welwyn Garden City AL7 4ET

    Received 11 Nov 2021
  20. Decided - GrantedN6/2008/1601/FP

    ERECTION OF REAR CONSERVATORY

    10 Mill Lane Welwyn AL6 9ET

    Received 23 Aug 2008
  21. Decided - GrantedS6/2013/0610/DS

    Discharge of condition 3 (materials) of planning permission S6/2010/2269/FP

    21 New Park Road, Newgate Street, HERTFORD, SG13 8RD

    Received 25 Mar 2013
  22. Decided - Granted6/2017/2798/EM

    Installation of UPVC Window to replace disused utility room door.

    116 Boundary Lane Welwyn Garden City AL7 4DL

    Received 30 Nov 2017
  23. Decided - Granted6/2025/1937/FULL

    Change of use of amenity land to residential

    2 Osier Road Colney Heath St Albans AL4 0LG

    Received 9 Sept 2025
  24. Decided - Granted6/2021/1856/HOUSE

    Installation of front Velux dormer window

    35 Station Road Welham Green Hatfield AL9 7PF

    Received 16 Jun 2021

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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