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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0135/HOUSE

    Erection of rear and side single storey extension to a semi detached house

    25 Coopers Road, Little Heath, Potters Bar, EN6 1JQ

    Received 25 Jan 2016
  2. Decided - GrantedW6/2013/1474/EM

    Installation of ground floor window to front elevation

    1 Dayemead, Welwyn Garden City, AL7 4RX

    Received 15 Jul 2013
  3. Decided - Granted6/2024/2219/HOUSE

    Replacement conservatory roof

    31 Digswell Road Welwyn Garden City AL8 7PB

    Received 18 Nov 2024
  4. Decided - GrantedN6/2013/1137/LUP

    Garage conversion

    2 Broomfield Close Welwyn AL6 9DN

    Received 28 May 2013
  5. Decided - Granted6/2018/1905/LAWP

    Certificate of lawfulness for the installation of 3 front rooflights and rear dormer to facilitate loft conversion, erection of a single storey side extension and front porch

    52 Reynards Road Welwyn AL6 9TP

    Received 19 Jul 2018
  6. Appeal Decided - Dismissed6/2020/0763/HOUSE

    Retention of a single storey outbuilding

    30 Great North Road Hatfield AL9 6NF

    Received 20 Mar 2020
  7. Appeal Decided - DismissedN6/2009/0110/LB

    ERECTION OF SINGLE STOREY REAR EXTENSION.

    The Old Post House, 6 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 21 Jan 2009
  8. Decided - Granted6/2017/0024/HOUSE

    Erection of roof extension to form first floor with installation of 13 rooflights and 4 dormers. Installation of chimney following removal of existing chimney. Alterations to existing roof, fenestrations and openings following demolition of existing conservatory, utility and shed. Relocation and enlargement of existing hardstanding to create parking area following demolition of existing garage and removal of silver birch tree.

    Brook House Bluebridge Road Brookmans Park Hatfield AL9 7SX

    Received 6 Jan 2017
  9. DecidedN6/2008/2278/TE

    REDUCE AND THIN TREES BY 25% IN REAR GARDEN

    16 PENTLEY PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RU

    Received 24 Nov 2008
  10. Decided - Granted6/2021/0077/HOUSE

    Garage conversion into a habitable space, alteration to fenestration.

    20 Oakington Welwyn Garden City AL7 2PS

    Received 12 Jan 2021
  11. Appeal Decided - Allowed6/2017/0689/HOUSE

    Erection of two storey rear and single storey rear extensions

    48 Pine Grove Brookmans Park AL9 7BW

    Received 3 Apr 2017
  12. Decided - Granted6/2020/2111/EM

    Demolition of existing outbuilding and erection of a new home office, erection of side fence and relocation of garden shed.

    33 Springfields Welwyn Garden City AL8 6XT

    Received 21 Aug 2020
  13. Decided - Granted6/2022/2915/HOUSE

    Installation of rear dormer to facilitate loft conversion, garage conversion with insertion of roof light and new side door and additional window to existing side elevation

    21 Fearnley Road Welwyn Garden City AL8 6HW

    Received 29 Dec 2022
  14. Decided - Granted6/2021/1742/TPO

    Hornbeam - remove

    10 Copper Beeches Welwyn AL6 0SS

    Received 3 Jun 2021
  15. Decided - GrantedN6/2010/0068/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    23 MILLFIELD, WELWYN GARDEN CITY, HERTS, AL7 2DY

    Received 14 Jan 2010
  16. Decided - GrantedN6/2004/0300/FP

    INSTALLATION OF SATELLITE DISH

    47 ALDBURY GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2LD

    Received 27 Feb 2004
  17. Decided - GrantedS6/2007/0773/FP

    ERECTION OF CAR PORT.

    5 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 21 May 2007
  18. Decided - Refused6/2016/0793/LAWP

    Certificate of lawfulness for the proposed erection of 2 single storey side extensions to either side, first floor rear and side extension and single storey rear extension

    Homerswood Cottage 7 Digswell Hill Welwyn AL6 9AH

    Received 27 Apr 2016
  19. Decided - Granted6/2026/0272/TPO

    Oak tree to reduce back lowest four branches on the south-west aspect to create an air-gap of 1m to beech tree, and on south-east aspect to reduce lowest branch back to previous pruning points to create an air-gap for the apple tree. (TPO 401 & TPO 968 (2022))

    59 Georges Wood Road Brookmans Park AL9 7BX

    Received 17 Feb 2026
  20. Decided - RefusedN6/2009/0961/FP

    ALTERATIONS TO GARAGE ROOF AND SINGLE STOREY FRONT EXTENSION TO FORM RE-CYCLING STORE

    7 MANNICOTTS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BW

    Received 28 Apr 2009
  21. Decided - WithdrawnS6/2009/2690/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED PART SINGLE STOREY SIDE AND REAR EXTENSION AND PART TWO STOREY REAR EXTENSION

    15 Park Road, Potters Bar, EN6 4NU

    Received 15 Dec 2009
  22. Under Consultation6/2026/0463/FULL

    Demolition of existing agricultural barn and erection of a replacement self-build dwellinghouse with associated access, parking, landscaping, installation of air source heat pump and ancillary works

    Land West of Woolmer’s Park The Hay Barn (Howell Court Farm) Essendon AL9 5RL

    Received 13 Mar 2026
  23. Decided - Granted6/2025/2243/HOUSE

    Conversion of the loft into habitable use, installation of three rooflights on the rear roof slope, replacement of existing chimney with a like-for-like GRP chimney and replacing existing fenestration with matching UPVC windows and doors.

    5 Honeycroft Welwyn Garden City AL8 6HR

    Received 23 Oct 2025
  24. Decided - Granted6/2026/1172/EM

    Installation of air conditioning (air-to-air heat pump)

    13 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 6 Jul 2026

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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