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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
35,329Searchable applications
331Recorded as pending
87%Approval rate · 29,422 approved or refused records
3,956Refused applications

25,466 approved · 3,956 refused · 1,840 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2386/EM

    Erection of a single storey rear extension to include raising of roof over attached outbuilding

    14 Pitsfield Welwyn Garden City AL8 7SJ

    Received 12 Aug 2021
  2. Decided - Granted6/2026/0904/HOUSE

    Erection of a single storey rear extension, conversion of double integral garage, covered porch, replacement front dormer and erection of new boundary wall following the removal of the existing hedge

    7 Greenfield Hatfield AL9 5HW

    Received 21 May 2026
  3. Decided - GrantedS6/2009/1482/FP

    ERECTION OF CONSERVATORY AT REAR

    142 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 14 Jul 2009
  4. Decided - Granted6/2025/1255/EMT

    Reduce 1 x Christmas tree to ground level

    56 Lodgefield Welwyn Garden City AL7 1SE

    Received 18 Jun 2025
  5. Decided - Refused6/2017/1362/EM

    Erection of rear garden outbuilding and single storey rear extension following demolition of existing conservatory, with conversion of existing loft and installation of rear dormer and solar panels to flat roof

    72 Great Ganett Welwyn Garden City AL7 3DE

    Received 21 Jun 2017
  6. Under Consideration6/2025/2491/FULL

    Proposed redevelopment of the land for four new family homes, alongside the proposed soft and hard landscaping scheme, car and cycle parking and refuse and recycling provision

    Land adjacent to Sewells Welwyn Garden City AL8 7SN

    Received 28 Nov 2025
  7. Decided - GrantedS6/2013/0538/LB

    Change of use from barns to a dwelling

    Cucumber Hall Barns, Cucumber Lane, Essendon, HATFIELD, AL9 6JB

    Received 6 Mar 2013
  8. Decided - Granted6/2018/1911/EM

    Erection of single storey rear extension

    3 Homerfield Welwyn Garden City AL8 6QZ

    Received 20 Jul 2018
  9. Decided - GrantedS6/2013/2626/FP

    Replacement flue to the rear of the property terminating at roof level

    The Pearl Fish Bar, 47 Bradmore Green, Brookmans Park, Hatfield, AL9 7QS

    Received 12 Dec 2013
  10. Decided6/2025/2219/TC

    1 x Cherry to reduce by 1.5m height and width.

    2 The Lawns Welwyn Garden City AL8 7HU

    Received 20 Oct 2025
  11. Decided - Granted6/2017/1176/PN11

    Prior approval for the change of use from Office (B1 (a)) to a Dwellinghouse (C3) to include the creation of 16x 1 bedroom flats

    Blackhorse House 36 Salisbury Square Hatfield AL9 5DD

    Received 26 May 2017
  12. Decided - SplitS6/2012/2630/DS

    Discharge of condition 7 (Ground Investigation) from planning permission S6/2012/1181/MA

    University of Hertfordshire, College Lane, HATFIELD, AL10 9AB

    Received 19 Dec 2012
  13. Decided - Granted6/2025/0606/TPO

    TPO 643 - Two ash trees at front of property to crown reduce by 25%. They are getting too tall for the area they are in. They are breaking up the driveway, but I'm only looking to lop them to make them smaller. Have tried to cut the lower smaller branches that are disrupting traffic, but will need to engage someone to reduce the size of the trees.

    12 Marlborough Close Welwyn AL6 0UG

    Received 31 Mar 2025
  14. Decided - Granted6/2024/2246/HOUSE

    Erection of rear conservatory

    36 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 22 Nov 2024
  15. Decided - Granted6/2018/1921/LAWP

    Certificate of lawfulness for the erection of two single storey rear extensions

    7 Strawmead Hatfield AL10 0JG

    Received 20 Jul 2018
  16. Decided - GrantedW6/2013/1017/EM

    Replacement driveway

    4 Parkfields, WELWYN GARDEN CITY, AL8 6ED

    Received 13 May 2013
  17. Decided - GrantedS6/2008/2043/FP

    CONSTRUCTION OF NEW BRICKWALL WITH OPEN RAILINGS ABOVE AND TWO OPEN METAL BAR ENTRANCE GATES SUPPORTED ON BRICK PIERS

    19 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QH

    Received 24 Oct 2008
  18. Decided - Granted6/2021/2871/HOUSE

    Partial conversion of the existing garage into a kitchen/utility area including an increase in roof height to the rear section. Erection of a false pitched roof to the front garage elevation to match the existing porch

    36 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 6 Oct 2021
  19. Decided - Granted6/2019/2944/HOUSE

    Erection of a part single storey, part two storey rear extension

    28 Bradgate Cuffley Potters Bar EN6 4RL

    Received 22 Nov 2019
  20. Decided - Granted6/2026/0133/EMT

    Rear T1 - 1 x Cherry to reduce by approximately 2m height and 1.5m width T2 - 1 x Sycamore to reduce by 2.5m height and 1.5m width H1 - Group of Leyland Cypress to reduce by approximately 3m height, trim side back over garden hard T3 - 1 x Hornbeam to cut the lateral branches back towards the property (right side) by 1.5 metres. Reduce left side by 1.5m to balance. Reduce lateral branches over patio area by 1.5m

    2 Honeycroft Welwyn Garden City AL8 6HR

    Received 27 Jan 2026
  21. Decided - WithdrawnS6/2015/1063/LUP

    Certificate of lawfulness for confirmation of Class B1 (Offices)

    82 Great North Road Hatfield AL9 5BL

    Received 20 May 2015
  22. Decided - Granted6/2022/1861/EM

    Replacement of single window in white painted timber on side elevation of property with new uPVC window in white finish

    4 Walden Place Welwyn Garden City AL8 7PG

    Received 9 Aug 2022
  23. Decided - Granted6/2016/2439/LAWP

    Certificate of lawfulness for a loft conversion

    81 Bushey Ley Welwyn Garden City AL7 3HF

    Received 18 Nov 2016
  24. Decided - Granted6/2021/1434/HOUSE

    Erection of single storey rear extension to include roof lantern and elevation alterations.

    47 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 7 May 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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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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