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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnS6/2009/1212/FP

    REMOVAL OF EXISTING GATES AND RAILINGS. REPLACE WITH METAL GATES AND RAILINGS BUILT OFF DWARF BRICK WALL, GATES 2.1M HIGH AND RAILINGS 1.8M HIGH

    PINE VIEW, 59 PINE GROVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BL

    Received 9 Jun 2009
  2. Decided - Refused6/2025/0749/LAWP

    Certificate of lawfulness for garage conversion for use as home gym, summer house and home office with insertion of roof windows and replacement of garage door with new windows

    9 Mount Pleasant Close Hatfield AL9 5BZ

    Received 22 Apr 2025
  3. Decided - GrantedN6/2009/2087/FP

    ERECTION OF TWO STOREY REAR EXTENSION AND INSTALLATION OF DORMER WINDOW TO THE SIDE ELEVATION

    135 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA

    Received 23 Sept 2009
  4. Decided - GrantedS6/2008/1015/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    18 Bramble Road Hatfield AL10 9SA

    Received 1 Jul 2008
  5. Decided - Granted6/2017/0894/COND

    Submission of details pursuant to condition 2 (materials samples) on planning permission 6/2016/1246/HOUSE

    52 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 28 Apr 2017
  6. Decided - GrantedS6/2014/1440/AD

    Installation of two fascia signs, one hanging sign and twelve other signs

    Tesco Express 59 Station Road Cuffley Potters Bar EN6 4HX

    Received 27 Jun 2014
  7. Decided - RefusedN6/2015/0366/FP

    Erection of first floor rear extension and installation of dormer window on rear roof slope

    9 Brockett Close, Welwyn Garden City, AL8 7BN

    Received 23 Feb 2015
  8. Decided - Granted6/2018/3275/HOUSE

    Erection of single storey side extension following demolition of garage

    15 Mardley Hill Welwyn AL6 0UE

    Received 27 Dec 2018
  9. Decided - GrantedN6/2007/0345/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND TWO FRONT BAY WINDOWS

    4 Briary Wood Lane Welwyn AL6 0TF

    Received 1 Mar 2007
  10. Decided - Granted6/2021/1662/EMH

    Erection of a part two storey part single storey rear extension

    11 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 24 May 2021
  11. Decided - Refused6/2019/0078/COND

    Confirmation that conditions 5 and 6 attached to application N6/2010/1776/MA have been complied with

    92 Broadwater Road Welwyn Garden City AL7 3BZ

    Received 16 Jan 2019
  12. Decided - Granted6/2019/1888/TPO

    Fell 1x ELM Tree Dead and Dangerous tree to be removed - TPO 507 (2016)

    15 East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 31 Jul 2019
  13. Decided - Refused6/2020/3081/PN8

    Prior approval for single storey front extension, and single storey rear extension measuring 4.5m in depth, 2.35m in height and 2.35m in eaves

    5 Sycamore Avenue Hatfield AL10 8LZ

    Received 18 Nov 2020
  14. Decided - Granted6/2021/1224/LB

    Installation of a pair of timber gates, 2 new fence posts and small section of picket fence to the existing car park entrance

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 15 Apr 2021
  15. Decided - Granted6/2016/2285/HOUSE

    Erection of single storey side & rear extension

    19 Woodside Road Digswell Welwyn AL6 0DS

    Received 1 Nov 2016
  16. Decided - Granted6/2019/3227/EM

    Erection of a part single, part two storey side extension with formation of hardstanding

    2 Hawthorns Welwyn Garden City AL8 7SE

    Received 23 Dec 2019
  17. Decided - Granted6/2023/1252/LAWP

    Certificate of lawfulness for the erection of swimming pool enclosure with swimming pool.

    9 South Drive Cuffley Potters Bar EN6 4HP

    Received 14 Jun 2023
  18. Decided - GrantedN6/2004/0381/FP

    ERECTION OF SINGLE STOREY REAR/SIDE EXTENSION AND PART DEMOLITION OF PART REAR OF PROPERTY

    37 Reddings Welwyn Garden City AL8 7LA

    Received 12 Mar 2004
  19. Decided - Granted6/2023/1352/VAR

    Variation of condition 3 (Approved Parameter Plans) for planning permission 6/2015/1342/PP

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 29 Jun 2023
  20. Decided - GrantedN6/2004/0540/FP

    ERECTION OF REAR CONSERVATORY, ALTERATIONS TO SIDE TO CREATE ENTRANCE HALL AND ALTERATION FENESTRATION IN FRONT ELEVATION

    29 Broomhills Welwyn Garden City AL7 1RG

    Received 13 Apr 2004
  21. Decided - GrantedS6/2007/0448/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    25 Manor Road Hatfield AL10 9LJ

    Received 19 Mar 2007
  22. Decided - Granted6/2022/1254/EM

    Erection of single storey side extension and two storey rear extension with insertion of rooflights

    31 Attimore Road Welwyn Garden City AL8 6LQ

    Received 27 May 2022
  23. Under Consultation6/2026/1745/EMT

    1 x Robinia to reduce branches that are dying by 2m to clear die back due to upper canopy dying back

    49 Valley Road Welwyn Garden City AL8 7DH

    Received 1 Oct 2026
  24. Decided - Granted6/2018/0626/EM

    Conversion of roof to habitable space including installation of rear dormer and replacement of existing chimney with false fibre glass chimney

    40 Great Ganett Welwyn Garden City AL7 3DE

    Received 5 Mar 2018

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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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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