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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/0089/TC

    Remove Hawthorn and Sycamore trees to ground level and reduce branches of Ash tree by upto 30%

    4 Mannicotts, WELWYN GARDEN CITY, AL8 7BW

    Received 18 Jan 2013
  2. Decided - GrantedS6/2015/1333/FP

    Erection of a single storey annexe

    9 Barfolds Welham Green Hatfield AL9 7NG

    Received 21 Sept 2015
  3. Decided - Granted6/2021/1167/HOUSE

    Erection of rear single-storey extension with roof lights in order to create extended family/kitchen area with utility and associated works.

    25 Rooks Hill Welwyn Garden City AL8 6EU

    Received 12 Apr 2021
  4. Decided - GrantedS6/2010/0273/LB

    ALTERATIONS INCLUDE:-CONVERSION AND EXTENSION OF EXISTING EAST WING (GARAGE & KITCHEN) TO FORM NEW KITCHEN AND SWIMMING POOL, SHOWER AREA AND MEZZANINE AND 1ST FLOOR BATHROOM OVER KITCHEN, LINKED BY NEW STAIRCASE TO SWIMMING POOL. CONSTRUCTION OF NEW CONSERVATORY. ASSOCIATED SERVICE INSTALLATIONS. WORKS TO MAIN HOUSE EAST ELEVATION 1ST FLOOR; INSTALLATION OF NEW DOOR TO REPLACE MODERN DOOR AND BUILD UP WINDOW FORMED IN 1988; REINSTATEMENT OF PORCH AND REPLACEMENT OF MODERN DOOR ON SOUTH ELEVATION

    1 NORTHAW PLACE, COOPERS LANE, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NQ

    Received 20 Jan 2010
  5. Decided - GrantedE6/1948/0665/

    Private garage

    134 Lemsford Lane Welwyn Garden City AL8 6YP

    Received 15 Jun 1948
  6. Decided - Refused6/2025/1634/COND

    Submission of details pursuant to condition 6 (Plans of foundation design) on planning permission N6/2014/2504/FP

    52 Bridge Road Welwyn Garden City AL8 6UR

    Received 30 Jul 2025
  7. Decided - Granted6/2025/0448/FULL

    Installation of 1No. BT Street Hub Unit following the removal of two BT phone boxes.

    Footpath outside 46 The Common Hatfield AL10 0LU

    Received 11 Mar 2025
  8. Decided - Granted6/2016/1856/TPO

    Fell Oak tree covered by TPO 437 (2009)

    19 Scholars Mews, Welwyn Garden City, AL8 7JQ

    Received 9 Sept 2016
  9. Decided - Granted6/2017/2384/LAWE

    Certificate of lawfulness for the existing use of property as a large House of Multiple Occupancy (Sui Generis) for 8 persons

    1 Hill Ley Hatfield AL10 8LX

    Received 17 Oct 2017
  10. Decided - GrantedN6/2004/0156/FP

    GARAGE LOFT CONVERSION

    14 Briary Wood Lane Welwyn AL6 0TF

    Received 3 Feb 2004
  11. Decided - Refused6/2020/0337/FULL

    Change of use of office space to a tattoo studio

    21C Broadwater Road Welwyn Garden City AL7 3BQ

    Received 5 Feb 2020
  12. Decided - Granted6/2025/2111/EMT

    1x Oak to Lift lower branches to achieve a ground clearance of 6m above ground level by removing secondary branches only to allow more light into all gardens

    590 Howlands Welwyn Garden City AL7 4ET

    Received 2 Oct 2025
  13. Decided - RefusedW6/2008/0700/EM

    ERECTION OF TWO STOREY SIDE EXTENSION AND REAR CONSERVATORY

    45 GOLDEN DELL, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4EE

    Received 17 Apr 2008
  14. Decided6/2017/1592/TPO

    1 x magnolia tree pruning and reduction of branches between 6 and 8 feet - Conservation Area

    12 Coneydale Welwyn Garden City AL8 7RZ

    Received 20 Jul 2017
  15. Decided - Granted6/2021/3347/COND

    Submission of details pursuant to condition 5 (materials) on planning application 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 26 Nov 2021
  16. Decided - Granted6/2020/3351/HOUSE

    Erection of a single storey rear extension and basement garden room

    8 The Drive Welwyn AL6 0TR

    Received 15 Dec 2020
  17. Decided - Granted6/2025/1180/EMT

    1 x Cherry to reduce by approximately 2.5m in height and 1.2m in width, keeping all overhanging branches back to the boundary line

    243 Daniells Welwyn Garden City AL7 1QD

    Received 12 Jun 2025
  18. Decided - Granted6/2016/1125/EM

    Formation of vehicle crossover and hardstanding

    38 Hyde Valley, Welwyn Garden City, AL7 4NA

    Received 6 Jun 2016
  19. Decided - Granted6/2020/2835/HOUSE

    Erection of single storey rear and side extension, and loft conversion with rear dormers

    9 Victoria Close Welwyn Garden City AL7 4EL

    Received 29 Oct 2020
  20. Decided - Granted6/2018/0163/FULL

    Change of use of field margin land to residential (retrospective).

    42 Bluebell Way Hatfield AL10 9FJ

    Received 17 Jan 2018
  21. Decided - Granted6/2020/1973/HOUSE

    Erection of a ground and first floor extension

    43 Stag Green Avenue Hatfield AL9 5EB

    Received 6 Aug 2020
  22. Decided - Granted6/2025/0418/COND

    Submission of details pursuant to condition number 1 (Electric car charging point), 2 (Energy efficient construction materials and processes) and 3 (Refuse and recycling) on planning permission 6/2024/1289/FULL

    99 Brookmans Avenue Brookmans Park AL9 7QG

    Received 6 Mar 2025
  23. Decided - Granted6/2025/0929/HOUSE

    Erection of a single storey side and rear extension to be used as an annex, following the demolition of the existing garage and outbuildings

    106 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 20 May 2025
  24. Decided - Granted6/2025/0715/FULL

    Replacement of existing metal floodlight heads with new LED light heads to tennis courts

    Northaw And Cuffley Lawn Tennis Club Northaw Road East Cuffley Potters Bar EN6 4RD

    Received 14 Apr 2025

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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