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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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2007/0512/LU

    CERTIFICATE OF LAWFULNESS FOR EXISTING USE OF STABLES AS LIVERY YARD

    Windmill Farm Ponsbourne Park Newgate Street

    Received 28 Mar 2007
  2. Decided - Withdrawn6/2021/3204/TPO

    T1 oak -Reduce crown by 30% up 4 meters

    49 Peplins Way Hatfield AL9 7UR

    Received 9 Nov 2021
  3. Decided - RefusedN6/2008/0081/FP

    ERECTION OF TWO DETACHED DWELLINGS WITH ASSOCIATED GARAGES (VARIATION OF CONSENT N6/2006/416/FP)

    Land adjacent to 17 Bracken Lane and rear of 10 & 12 Oaklands Rise Welwyn AL6 0RB

    Received 16 Jan 2008
  4. Decided - Granted6/2026/0315/TPO

    T1 Oak tree to reduce by 30% to maintain established reduction points. T2 Oak tree to reduce by 30% to maintain established reduction points. T3 Sweet Chestnut to reduce by 30% to maintain established reduction points. (TPO 798)

    8 Firway Close Welwyn AL6 0RE

    Received 20 Feb 2026
  5. Decided - Granted6/2017/2183/EM

    Erection of single storey front porch, following demolition of existing porch

    10 High Grove Welwyn Garden City AL8 7DW

    Received 25 Sept 2017
  6. Decided - Granted6/2025/1107/HOUSE

    Erection of a single storey rear extension

    3 Osier Road Colney Heath St Albans AL4 0LG

    Received 9 Jun 2025
  7. Decided - Granted6/2017/2128/VAR

    Variation of condition 1 (approved plans) on planning permission 6/2015/1572/MAJ

    Orion House Bessemer Road Welwyn Garden City AL7 1HH

    Received 21 Sept 2017
  8. Decided - GrantedS6/2013/0948/FP

    Infill existing recessed porch and replace lounge window with French doors

    45 Longmead Hatfield AL10 0AB

    Received 7 May 2013
  9. Decided - GrantedN6/2008/0881/FP

    ERECTION OF REAR CONSERVATORY

    14 Elmoor Avenue Welwyn AL6 9PD

    Received 4 Jun 2008
  10. Decided - Granted6/2016/0239/HOUSE

    Erection of new boundary gate and fence to front of property

    15 Tolmers Road, Cuffley, Potters Bar, EN6 4JF

    Received 15 Feb 2016
  11. Decided - Granted6/2024/1009/HOUSE

    Installation of two side doors on existing garage to facilitate garage conversion

    6 Eddington Crescent Welwyn Garden City AL7 4SQ

    Received 30 May 2024
  12. Decided - GrantedW6/2009/1968/EM

    CONVERSION OF OUTBUILDING TO FORM HABITABLE ACCOMMODATION, INCLUDING INSERTION OF WINDOWS AND DOOR

    15 FORDWICH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EX

    Received 10 Sept 2009
  13. Decided - Granted6/2026/1361/EM

    Erection of part single storey part two storey rear extension, garage conversion and installation of air conditioning unit mounted at ground floor on the rear elevation

    31 Brockswood Lane Welwyn Garden City AL8 7BE

    Received 3 Aug 2026
  14. Decided - GrantedS6/2006/0096/FP

    ERECTION OF SIDE BOUNDARY TRELLIS

    14 Warwick Avenue Cuffley Potters Bar EN6 4RS

    Received 24 Jan 2006
  15. Decided - GrantedW6/2005/1238/EM

    PROPOSED SINGLE STOREY REAR EXTENSION

    24 Colgrove, Welwyn Garden City, AL8 6HU

    Received 4 Oct 2005
  16. Decided6/2017/1591/TPO

    Fell 7 x Crack Willow trees (G1+G3), 4 x Ash trees (G2), 10 x Prunus and Blackthorn trees (G4+G5) to ground level and remove lowest limb on Northern side of Sycamore tree (T2) - Conservation Area

    Hill House Park Street Hatfield AL9 5AZ

    Received 20 Jul 2017
  17. Decided - GrantedS6/2014/0562/FP

    Erection of part two storey and part single storey rear extensions

    2A The Ridgeway, Cuffley, Potters Bar, EN6 4AR

    Received 17 Mar 2014
  18. Decided - Granted6/2021/1566/EMT

    Removal of hawthorn tree

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 17 May 2021
  19. Decided - Granted6/2016/1364/HOUSE

    Erection of part first floor extension to create additional bedroom with 2 dormers, conversion of garage to habitable space and detached garage

    40 Station Road Welham Green Hatfield AL9 7PG

    Received 5 Jul 2016
  20. Decided - Refused6/2021/0408/HOUSE

    First floor side extension, demolition of existing single storey side and replacement with single storey side extension and new crossover

    13 Carleton Rise Welwyn AL6 9RP

    Received 9 Feb 2021
  21. Decided - Granted6/2025/0729/FULL

    Replacement of three gates along the eastern boundary of the site along Woodhall Lane and a length of fencing to the western boundary to improve security. Replacement of fence on western boundary

    Our Lady Catholic Primary School Woodhall Lane Welwyn Garden City AL7 3TF

    Received 16 Apr 2025
  22. Decided - Granted6/2019/1580/COND

    Submission of details pursuant to condition 1 (Materials), 2 (b) (Hard Landscaping), 3 (Parking), 4 (Bins) on planning permission 6/2016/2117/FULL

    43 Peartree Lane Welwyn Garden City AL7 3UA

    Received 28 Jun 2019
  23. Appeal Decided - Allowed6/2018/1883/FULL

    Erection of a part single, part two storey rear extension to both properties and alterations to openings to facilitate conversion of existing houses to form 3 x 2-bedroom and 4 x 1-bedroom flats with associated car parking and cycle stores following the partial demolition of existing dwelling

    14-16 Bishops Rise Hatfield AL10 9HB

    Received 18 Jul 2018
  24. Decided - Refused6/2021/1163/LAWP

    Certificate of lawfulness for the proposed erection of new outbuilding

    14 Willow Walk Welwyn AL6 9SQ

    Received 12 Apr 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

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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