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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided - Withdrawn6/2017/0276/PN3

    Prior approval for the erection of agricultural building for storage measuring 18.288m. in length, 6m. to the eaves, 18.288m. in breadth and 8.5m. height to the ridge

    Cromer Hyde Farm Lemsford Welwyn Garden City AL8 7XD

    Received 14 Feb 2017
  2. Decided - GrantedW6/2014/2778/EM

    Erection of single storey rear extension and part conversion of existing garage and insertion of roof lights into existing single storey side extension

    28 Dellcott Close, Welwyn Garden City, AL8 7BD

    Received 30 Dec 2014
  3. Decided - Withdrawn6/2020/0489/HOUSE

    Erection of a single storey rear extension following demolition of attached outbuildings, to include raising of parapet and insertion of roof lantern to existing rear extension & a first floor side extension, partial garage conversion to include raising of front parapet over existing garage, alterations to fenestration and extension of existing driveway.

    24 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 20 Feb 2020
  4. Decided6/2025/2006/TC

    T1. Mulberry - Pollard back to historic points. T2. Ash - Cut back the overhanging branches toward the newly planted Prunes trees up to 3 metres in line with the end of the garage to improve the light in the garden.

    44 Mill Lane Welwyn AL6 9ET

    Received 17 Sept 2025
  5. Decided - Granted6/2016/1346/EM

    Erection of new single storey link extension following demolition of existing single storey link extension

    10 Marley Road, Welwyn Garden City, AL7 4BS

    Received 4 Jul 2016
  6. Decided - WithdrawnS6/2004/1262/FP

    DEMOLITION OF EXISTING DWELLING HOUSE AND ERECTION OF FIVE APPARTMENTS

    9 Bluebridge Road Brookmans Park

    Received 19 Aug 2004
  7. Decided - Split6/2022/0642/COND

    Submission of details pursuant of conditions 3 (Landscapes), 5 (accessibility) and 6 (energy and sustainability statement) on planning permission 6/2019/1616/FULL

    Land behind 140 Ludwick Way Welwyn Garden City AL7 3PY

    Received 18 Mar 2022
  8. Decided - Granted6/2018/1838/LAWP

    Certificate of lawfulness for a single storey outbuilding

    51 School Lane Welwyn AL6 9PL

    Received 12 Jul 2018
  9. Decided - Granted6/2017/0223/HOUSE

    Erection of single storey side & rear extension

    73 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 7 Feb 2017
  10. Decided6/2022/0926/TC

    Reduce height of Holly tree in the back garden on our side of the boundary with number 24 as we have done before (by 33%). We have discussed with the neighbour who is supportive

    22 Dellcott Close Welwyn Garden City Hertfordshire AL8 7BD

    Received 20 Apr 2022
  11. Decided - Granted6/2015/2102/EM

    Crown thin Oak tree (T1) by 20%, reduce Oak tree (T2) crown by 20% and reduce by 2m

    29 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 22 Sept 2015
  12. Call In/Major Objection6/2026/0125/MAJ

    A hybrid planning application (part full and part outline) for a phased and severable development comprising: 1. Full planning permission for 437 residential dwellings (Use Class C3); associated new vehicular, pedestrian and cycle access; landscaping and public open space including play and ancillary facilities; sustainable drainage system; associated utilities; and cycle and car parking; 2. Full planning permission for a pedestrian/cycle bridge; 3. Outline planning permission (with all matters reserved) for a primary school of up to 2 forms of entry (Use Class F1) and associated landscaping, infrastructure, utilities and works.

    Land West of Brookmans Park Railway Station Bradmore Lane Brookmans Park AL9 7ST

    Received 27 Jan 2026
  13. Decided - GrantedN6/2014/0779/FP

    Erection of single storey front extension

    31 Oaklea Welwyn AL6 0QN

    Received 8 Apr 2014
  14. Decided - Granted6/2016/2178/HOUSE

    Erection of single storey rear and double storey side/rear extensions

    36 Hill Rise Cuffley Potters Bar EN6 4EJ

    Received 17 Oct 2016
  15. Decided - GrantedW6/2006/0478/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION.

    4 Fordwich Road, Welwyn Garden City, AL8 6EY

    Received 10 Apr 2006
  16. Decided - Granted6/2022/2210/LAWP

    Certificate of lawfulness for a 3m single storey rear extension

    35 Sandpit Road Welwyn Garden City AL7 3TW

    Received 23 Sept 2022
  17. Decided - Granted6/2016/2544/FULL

    Erection of a 5 bedroom detached house, including a basement and use of the roof space following demolition of existing dwelling

    93 Brookmans Avenue Brookmans Park Hatfield AL9 7QG

    Received 30 Nov 2016
  18. Decided - GrantedN6/2013/0374/LUP

    Certificate of lawfulness for proposed single storey rear extension

    17 Mardley Dell Welwyn AL6 0UR

    Received 20 Feb 2013
  19. Decided - GrantedS6/2007/1766/FP

    ERECTION OF DWELLING WITH INTEGRAL GARAGE, FOLLOWING DEMOLITION OF EXISTING DWELLING

    39 KENTISH LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6NG

    Received 21 Nov 2007
  20. Decided - GrantedS6/2013/1564/FP

    Erection of single storey side and rear extension, first floor rear extension and alterations to front dormer window

    28 Station Road Welham Green Hatfield AL9 7PG

    Received 18 Jul 2013
  21. Decided - Granted6/2019/0110/LAWP

    Certificate of lawfulness for the formation of a hardstanding

    164 Aldykes Hatfield AL10 8EE

    Received 21 Jan 2019
  22. Decided - Withdrawn6/2019/1310/EM

    Expansion of hardstanding and new fence

    1 The Limes Welwyn Garden City AL7 4BD

    Received 3 Jun 2019
  23. Decided - Granted6/2017/0532/HOUSE

    Erection of single storey side and rear extensions with the installation of 1 rooflight, the reduction in height of the existing two chimney stacks by 1m and demolition of existing outbuilding.

    11 Mannicotts Welwyn Garden City AL8 7BW

    Received 17 Mar 2017
  24. Decided - GrantedW6/2013/2309/EM

    Erection of single storey side and rear extensions, two storey rear extension and new window openings to side elevation

    74 Valley Road, Welwyn Garden City, AL8 7DP

    Received 30 Oct 2013

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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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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