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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
39,179Searchable applications
344Recorded as pending
86%Approval rate · 32,755 approved or refused records
4,688Refused applications

28,067 approved · 4,688 refused · 2,149 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2006/0082/FP

    REPLACEMENT GARAGE DOORS

    WELWYN HATFIELD COUNCIL, CAMPUS EAST, THE CAMPUS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6PE

    Received 20 Jan 2006
  2. Decided - GrantedW6/2015/0671/EM

    Erection of single storey rear extension

    56 Carve Ley, Welwyn Garden City, AL7 3HH

    Received 26 Mar 2015
  3. Decided - Refused6/2021/2296/HOUSE

    Construction of enlarged crossover from highway, enlarged parking area on site following removal of hedge and gate posts on front boundary.

    84 Broomhills Welwyn Garden City AL7 1RD

    Received 2 Aug 2021
  4. Appeal Decided - Allowed6/2022/1719/HOUSE

    Alterations to the roof including the Insertion of a front dormer window, the enlargement of the existing side dormer window and the insertion of side dormer window

    16 Burleigh Way Cuffley Potters Bar EN6 4LG

    Received 20 Jul 2022
  5. Decided - Granted6/2023/0929/EM

    Erection of outbuilding to rear garden

    81 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 2 May 2023
  6. Decided - Granted6/2026/0705/HOUSE

    Erection of a detached outbuilding in the rear garden

    Ponsbourne Manor Topthorn House 5 The Ridings Newgate Street Village Hertford SG13 8QX

    Received 21 Apr 2026
  7. Decided - Granted6/2020/2964/EM

    Erection of a single storey rear extension and a single storey, part two storey, part first floor rear extension to main dwelling, plus alterations to fenestration.

    45 Fordwich Road Welwyn Garden City AL8 6EY

    Received 11 Nov 2020
  8. Decided - Granted6/2021/2619/LB

    Installation of a wall mounted street light including wall bracket, cabling and conduit on the front

    16 Fore Street Hatfield AL9 5AH

    Received 8 Sept 2021
  9. Decided - Granted6/2016/0856/TPO

    Removal of one Horse Chestnut tree, one Sycamore tree, two Elder trees and a group of Ash trees - Conservation Area

    Guide Hut, Guessens Road, Welwyn Garden City, AL8 6RE

    Received 5 May 2016
  10. Decided - GrantedS6/2007/1723/FP

    ERECTION OF FIRST FLOOR FRONT & SIDE EXTENSION & A REAR CONSERVATORY

    127 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BG

    Received 14 Nov 2007
  11. Decided - Granted6/2023/2052/EMT

    1 x Ginkgo to dismantle in sections to ground level

    111 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 6 Oct 2023
  12. Decided - Granted6/2020/1201/EMT

    Reduce 1 x Beech Tree by 30%

    3 Fern Grove Welwyn Garden City AL8 7ND

    Received 29 May 2020
  13. Decided - Granted6/2023/0248/LAWP

    Certificate of lawfulness for proposed garage conversion and alterations to the existing fenestration and insertion of rooflights within the rear roofslope

    7 Warwick Avenue Cuffley Potters Bar EN6 4RU

    Received 1 Feb 2023
  14. Decided - Granted6/2017/1454/LAWP

    Certificate of lawfulness for installation of door and windows to facilitate conversion of garage to art studio

    18 Old French Horn Lane Hatfield AL10 8AJ

    Received 4 Jul 2017
  15. Decided - Refused6/2017/0556/LAWP

    Certificate of lawfulness for a single storey rear extension with 2 rooflights, following the demolition of existing conservatory.

    36 Knightsfield Welwyn Garden City AL8 7HA

    Received 20 Mar 2017
  16. Decided - RefusedW6/2013/1662/TE

    Removal of Cedar tree located in rear garden

    7 Stonemead, Welwyn Garden City, AL8 7LX

    Received 22 Jul 2013
  17. Decided - Granted6/2015/1754/TPO

    Fell Oak tree covered by TPO 24

    16 Marlborough Close Welwyn AL6 0UG

    Received 18 Aug 2015
  18. Decided - RefusedN6/2005/1399/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    63 Harmer Green Lane Digswell Welwyn AL6 0EH

    Received 9 Nov 2005
  19. Decided - GrantedN6/2009/1217/TE

    REMOVE IVY AND PRUNE HAWTHORN TREE TO CLEAR OVERHEAD LINES

    LAND ADJACANT TO, 91 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LG

    Received 19 Jun 2009
  20. Decided - RefusedN6/2004/1349/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND DETACHED CAR PORT

    17 Thistle Grove Welwyn Garden City AL7 4AD

    Received 2 Sept 2004
  21. Decided - Granted6/2024/1323/MAJ

    Demolition of existing hotel restaurant and replacement with new building providing additional hotel bedrooms and breakfast room, together with alterations to the car park and all associated works

    Premier Inn Lemsford Road Hatfield AL10 0DA

    Received 10 Jul 2024
  22. Decided - RefusedN6/2014/2152/DT

    Installation of 12.5 metre Elara monopole with 3no. Antennas within shrouded upper portion, 2no. equipment units and ancillary development

    Land opposite St Magdalene's Church, Hollybush Lane, Welwyn Garden City, AL7 4JS

    Received 1 Oct 2014
  23. DecidedN6/2014/0541/NM

    Non material amendment following approval of planning permission S6/2013/2064/FP - Change of single to double doors to front entrance. Addition of windows and doors to rear ground floor plus fenestration alterations.

    1 Peace Grove Welwyn AL6 0RS

    Received 17 Mar 2014
  24. Decided - GrantedS6/2014/2231/FP

    Installation of access gates, modifications to boundary and the provision of first floor bays and open entrance porch

    112 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QQ

    Received 9 Oct 2014

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

All planning guides

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    Planning application documents: what to read first

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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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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