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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0979/FULL

    Retention of change of use of amenity land to residential, with retention of new fence to boundary

    31 Great Braitch Lane Hatfield AL10 9FD

    Received 24 May 2024
  2. Decided - Granted6/2016/0561/HOUSE

    Erection of two storey side extension, single storey rear extension, single storey infill side extension between house and garage, extension to garage, loft conversion with installation of front rooflight and rear dormers

    15 Bennett Close, Welwyn Garden City, AL7 4JA

    Received 1 Apr 2016
  3. Decided6/2017/2621/COND

    Confirmation that conditions attached to application N6/1976/0030/ have been complied with

    Off Black Fan Road and Moors Walk, Black Fan Road, Welwyn Garden City

    Received 9 Nov 2017
  4. Decided - Refused6/2016/0494/COND

    Approval of details reserved by condition 9 (site investigation WSI) on outline planning permission N6/2011/359/OP

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 23 Mar 2016
  5. Decided - Granted6/2026/0446/TPO

    T2 - 1 x Scots pine to reduce upper easterly limbs by 1.5m, low easterly limb by 2.5m. upper southerly limb by 1.5m. Reduce selected limbs, lower limb its over extended & close to property. Reduce upper limbs to create a more compact canopy reducing wind loading T1 - 1 x Scots pine to reduce upper north limb by 1.2m and upper east limb by 1.2m. Reducing selected limbs, over extended limbs in upper canopy

    7 Wendover Drive Welwyn AL6 9LT

    Received 11 Mar 2026
  6. Decided - Granted6/2017/1567/HOUSE

    Erection of first floor side and two storey rear extension

    22 Ravenfield Road Welwyn Garden City AL7 3UE

    Received 18 Jul 2017
  7. Decided - Granted6/2019/2285/FULL

    Erection of 1 x dwelling following demolition of existing dwelling and erection of front boundary treatment

    6 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ

    Received 16 Sept 2019
  8. Decided - Granted6/2021/0909/HOUSE

    Replacement roof with side and rear dormers, first floor side/rear/front extension and single storey side extension

    82 Pine Grove Hatfield AL9 7BW

    Received 22 Mar 2021
  9. Decided - GrantedS6/2014/2360/DS

    Approval of details reserved by conditions 3 (samples of materials) and 4 (landscaping plan) from planning application S6/2014/2361/S73B

    61 Calder Avenue, Brookmans Park, Hatfield, AL9 7AJ

    Received 27 Oct 2014
  10. Decided - Granted6/2018/0717/MAJ

    Erection of nine dwellings, refurbishment and extension of the Grade II listed Green Man PH including provision of a micro-brewery, new public open space, wider public realm improvements and all ancillary works

    Mill Green Mill Green Lane Hatfield AL9 5NQ

    Received 16 Mar 2018
  11. Decided - Refused6/2016/1855/VAR

    Variation of condition 2 (obscured glazed dormer windows) on planning permission 6/2016/0391/VAR

    45 Northaw Road East, Cuffley, Potters Bar, EN6 4LU

    Received 9 Sept 2016
  12. Under Consideration6/2025/1361/COND

    Submission of details pursuant to condition 5 (Surface water drainage scheme) on planning permission 6/2021/3436/RM

    Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ

    Received 30 Jun 2025
  13. Decided - Granted6/2020/1149/TPO

    Reduce 1 x Beech (T1) Covered by TPO 361(2006) by 30%

    2 Heathcote Avenue Hatfield AL10 0RH

    Received 18 May 2020
  14. Decided - Granted6/2024/2339/HOUSE

    Proposed garage conversion and single storey rear extension internal and external alterations

    15 Moorside Welwyn Garden City AL7 4QH

    Received 4 Dec 2024
  15. Decided - Granted6/2021/0886/EMH

    Removal of shed in North East corner of back garden and erection of a shed in North West corner of back garden

    24 Russellcroft Road Welwyn Garden City AL8 6QU

    Received 18 Mar 2021
  16. Decided - Withdrawn6/2021/0479/FULL

    Erection of garden outbuilding.

    23 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 15 Feb 2021
  17. Decided - Refused6/2022/0391/HOUSE

    Erection of a single storey rear extension

    3A Hall Grove Welwyn Garden City AL7 4PJ

    Received 21 Feb 2022
  18. Decided - Granted6/2021/0323/EMT

    Reduce 1 x Conifer Hedge (T1) by 2m and trim all sides. Fell 1 x Ash tree (T2), 4 x Conifer trees (T3), 1 x Yew tree (T4), 1 x Eucaplyptus tree (T5)

    2 Guessens Road Welwyn Garden City AL8 6QR

    Received 2 Feb 2021
  19. Decided - Granted6/2020/2649/TPO

    Fell 1 x Dead and Dangerous Fallen Oak Tree T9 TPO 224

    3 Hanyards Lane Cuffley Potters Bar EN6 4AS

    Received 12 Oct 2020
  20. Decided - Granted6/2015/2289/HOUSE

    Erection of single storey side extension and dormer windows on the front elevation

    9 Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 9 Nov 2015
  21. Decided - GrantedN6/2004/1674/FP

    NEW ROOF FORMATION TO ACCOMMODATE ADDITIONAL STOREY AT THIRD FLOOR LEVEL TO PROVIDE SEVEN SELF CONTAINED FLATS (1 BED) AND CHANGE OF USE FROM CLASS B1 (OFFICE ACCOMMODATION) OF FIRST AND SECOND FLOORS TO PROVIDE SIXTEEN SELF CONTAINED FLATS (1-2 BED), INCLUDING RELOCATION OF EXISTING REAR EXTERNAL ESCAPE STAIRS, MINOR ALTERATIONS TO REAR FENESTRATION AND EXTENSION TO REAR STAIR TOWER

    OSBORNE HOUSE, 35-47 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AP

    Received 11 Nov 2004
  22. Decided - GrantedS6/2009/2712/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED SINGLE STOREY REAR EXTENSION

    9 Fern Dells Hatfield AL10 9HX

    Received 18 Dec 2009
  23. Decided - GrantedN6/2009/1649/TP

    FELL 25 LARCH, 1 SYCAMORE, 1 BEECH AND 1 HORSE CHESTNUT, DEADWOOD 2 LIME AND 1 SYCAMORE ALL COVERED BY TPO 260 W2

    Land between New Road and Mornington Digswell Welwyn AL6 0AN

    Received 30 Jul 2009
  24. Decided - GrantedN6/2009/2306/FP

    ALTERATIONS TO SIZE AND EXTERNAL APPEARANCE OF EXISTING DETACHED GARAGE TO FORM ANCILLARY LIVING ACCOMMODATION

    25 Bluebells Welwyn AL6 0XD

    Received 14 Oct 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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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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