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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
39,849Searchable applications
298Recorded as pending
86%Approval rate · 33,411 approved or refused records
4,778Refused applications

28,633 approved · 4,778 refused · 2,184 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2018/0101/EM

    Installation of rear dormer window to facilitate loft conversion. Removal of chimney.

    40 Great Ganett Welwyn Garden City AL7 3DE

    Received 10 Jan 2018
  2. Decided - GrantedS6/2013/0641/LUP

    Certificate of lawfulness for the proposed installation of swimming pool and enclosure

    27 Kentish Lane, Brookmans Park, HATFIELD, AL9 6NG

    Received 27 Mar 2013
  3. Decided - Granted6/2023/0738/HOUSE

    Erection of new timber conservatory following the demolition of existing uvpc conservatory of the same size, replacement of existing upvc windows to rear elevation with timber windows with raised cill level, alterations to doors on front elevation and internal alterations.

    6 The Terrace West End Lane Essendon Hatfield AL9 6AU

    Received 3 Apr 2023
  4. Decided - Granted6/2017/1827/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory

    40 Crossway Welwyn Garden City AL8 7EE

    Received 17 Aug 2017
  5. Decided - GrantedS6/2014/0317/FP

    Change of use from Hire shop (A1) to Launderette/Dry Cleaners (Sui Generis)

    30 Birchwood Avenue Hatfield AL10 0PW

    Received 17 Feb 2014
  6. Decided - Granted6/2022/1168/EM

    Erection of a single storey rear extension, alterations to fenestrations

    22 Parkway Welwyn Garden City AL8 6HG

    Received 20 May 2022
  7. Appeal Decided - DismissedS6/2006/0282/FP

    ERECTION OF REPLACEMENT OF DWELLING FOLLOWING DEMOLITION OF EXISTING DWELLING AND ANNEX

    TOLMERS COTTAGE, CARBONE HILL, NEWGATE STREET, HERTFORD, HERTFORDSHIRE

    Received 6 Mar 2006
  8. Decided - GrantedS6/2015/0646/FP

    Erection of a single storey side extension with new side access door to existing house following the demolition of garage

    2 Frampton Road, Potters Bar, EN6 1JE

    Received 24 Mar 2015
  9. Decided - Refused6/2020/2399/PN16

    Prior Approval for temporary use of the site (both the house and garden) for commercial film-making for no more than 9 months in any 27 month period.

    51 Kentish Lane Brookmans Park Hatfield AL9 6NG

    Received 17 Sept 2020
  10. Decided - Withdrawn6/2017/2308/EM

    Installation of hardstanding

    26 Marley Road Welwyn Garden City AL7 4BS

    Received 9 Oct 2017
  11. Decided - Granted6/2023/2467/HOUSE

    Conversion of loft to form habitable space with insertion of roof lights, fenestration alterations and alterations to openings

    33 Eddington Crescent Welwyn Garden City AL7 4SX

    Received 8 Dec 2023
  12. Call In/Major Objection6/2026/0992/FULL

    Proposed demolition of existing water tower

    Water Tower Bell Lane Brookmans Park AL9 7AY

    Received 5 Jun 2026
  13. Decided - WithdrawnN6/2004/1766/FP

    SINGLE STOREY SIDE EXTENSIONS

    6 Great North Road Welwyn AL6 0PL

    Received 29 Nov 2004
  14. Under Consideration6/2025/0626/EM

    Erection of a rear conservatory and small porch

    16 The Wade Welwyn Garden City AL7 4LG

    Received 1 Apr 2025
  15. Under Consultation6/2026/1721/EMT

    1 x Lawson cypress to remove to ground level Remove as tree in serve decline 1 x Lawson cypress hedge to remove to ground level Remove as hedge is dead 1 x Amelanchier to remove to ground level Remove as tree is dead

    125 Handside Lane Welwyn Garden City AL8 6TA

    Received 29 Sept 2026
  16. Decided - Granted6/2017/2731/HOUSE

    Installation of 2x side dormer windows to replace existing and 1x dormer window to front elevation

    16 Northaw Road West Northaw Potters Bar EN6 4NR

    Received 23 Nov 2017
  17. Decided - GrantedW6/2014/1990/EM

    Raising of front and side parapet walls

    1 Fearnley Road, Welwyn Garden City, AL8 6HW

    Received 5 Sept 2014
  18. Decided - GrantedS6/2013/0980/NM

    Non material amendment following the approval of planning permission S6/2013/0980/NM - Increase in gross external dimensions of energy centre building

    46 The Common Hatfield AL10 0UL

    Received 16 May 2013
  19. Decided6/2019/2972/TC

    Fell 1 x Fir Tree Fell 1 x Apple Tree

    96 Pentley Park Welwyn Garden City AL8 7SG

    Received 26 Nov 2019
  20. Decided - Granted6/2017/0221/HOUSE

    Erection of two storey side extension and part single storey front extension, including the demolition of existing detached garage.

    9 Parsonage Road Welham Green Hatfield AL9 7NA

    Received 7 Feb 2017
  21. Decided6/2018/0278/TPO

    Prune 1x T1 Ash Tree by 4.0m off the height and 2.5 reduction (Repollard cut to previous) - Conservation Area

    41 High Oaks Road Welwyn Garden City AL8 7BT

    Received 29 Jan 2018
  22. Decided - Granted6/2024/0419/EMT

    Reduce 1 x Lombardy Poplar back approx 4-5m in height to previous pruning points to retain previous tree height as large amount of regrowth

    29 Springfields Welwyn Garden City AL8 6XS

    Received 4 Mar 2024
  23. Decided - Withdrawn6/2017/0868/HOUSE

    Installation of dormer to front roof pitch

    Mayfield Kimpton Road Welwyn AL6 9NN

    Received 25 Apr 2017
  24. Decided - Granted6/2020/1025/EM

    Reduce 1 x Copper Beech Tree by 30%

    78 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 7 May 2020

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

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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