PlanningTrack
Get started

England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
19,035Searchable applications
298Recorded as pending
86%Approval rate · 15,368 approved or refused records
2,140Refused applications

13,228 approved · 2,140 refused · 961 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1990/HOUSE

    Erection of a single-storey side/rear extension, part single, part two-storey rear extension following the demolition of existing garage. Installation of solar panels to rear and side of roof. Extension of existing driveway. Insertion of first floor side window

    11 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 27 Sept 2023
  2. Decided - Granted6/2022/0306/ADV

    Installation of: 2 x illuminated aluminium fascia signs 1 x double sided illuminated hanging sign 3 x amenity illuminated boards 1 x amenity illuminated board with lockable poster case 2 x illuminated welcome signs 1 x unilluminated car park disclaimer sign, 2 x illuminated signwritten housenames and secondary detail painted direct to the building 1 x unilluminated top flat panel sign 4 x unilluminated frosted vinyl on windows 3 x illuminated wall lanterns 6 x illuminated LED floodlights 1 x illuminated Fomex housename letters fitted directly onto the building.

    The Town Inn (White Hart) Queensway Hatfield AL10 0LQ

    Received 9 Feb 2022
  3. Decided - Withdrawn6/2019/1257/HOUSE

    Erection of a two storey side extension and replacement entrance porch

    1A Marlborough Close Welwyn AL6 0UG

    Received 24 May 2019
  4. Decided6/2019/3185/FULL

    Retention of racking structures but reduced in height to 4m and; restricting the height to which timber can be stacked to 2.5m within 20m of the site boundary to Coopers Lane and to 4m on all other parts of the site and; restricting the hours of opening to 7 a.m. – 5 p.m. Monday to Friday, 8 a.m. – 1 p.m. Saturday and closed Sundays and Bank Holidays

    Wood Green Timber Company, Coopers Lane, Northaw, Potters Bar, EN6 4NE

    Received 19 Dec 2019
  5. Decided6/2019/0012/TPO

    Reduce 1 x Birch tree by 2.5m in height and 1m in width (T1), 1 x Birch tree by 2m in height and 2.5m in width (T2) and 1 x Ash tree by 1.5m in height and width & remove deadwood (T3) - Conservation Area

    36 Attimore Road Welwyn Garden City AL8 6LP

    Received 3 Jan 2019
  6. Decided - Granted6/2024/1443/EM

    Installation of air source heat pump to rear of property to replace existing gas boiler central heating and hot water system

    10 Woodland Rise Welwyn Garden City Hertfordshire AL8 7LF

    Received 30 Jul 2024
  7. Decided - Granted6/2024/1015/HOUSE

    Garage conversion with front extension, replacing the roof with a flat roof and installation of two rooflights

    17 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 31 May 2024
  8. Decided - Granted6/2018/1128/HOUSE

    Erection of two storey rear extension

    5 The Close Brookmans Park Hatfield AL9 7QN

    Received 27 Apr 2018
  9. Decided - Withdrawn6/2018/1568/TPO

    Fell 1 x Bay( laurus Nobilis), Fell 1 x Cherry, Fell 1 x Bay (Laurus Nobilis) -conservation area

    11 Fearnley Road Welwyn Garden City AL8 6HW

    Received 12 Jun 2018
  10. Decided - Granted6/2020/0136/EM

    Installation of garage door

    6 Hawthorns Welwyn Garden City AL8 7SE

    Received 20 Jan 2020
  11. Decided - Granted6/2021/0703/EMT

    Fell 1 x Elder & Apple tree, Cypress & Holly hedge lifted to 2m and reduced by 2m, fell 1 x Holly tree

    17 The Valley Green Welwyn Garden City AL8 7DQ

    Received 3 Mar 2021
  12. Decided - Granted6/2024/0780/EMT

    T1 - 1 x Ash to reduce by approximately 2.5m in height and width T2 - 1 x Ash to reduce lateral branches over neighbouring garden by 3m

    11A Guessens Court Welwyn Garden City AL8 6RB

    Received 25 Apr 2024
  13. Decided6/2021/2926/TC

    50ft hornbeam to reduce by 30%

    16 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 12 Oct 2021
  14. Decided - Granted6/2022/0777/HOUSE

    Extension to existing driveway

    168 Parkway Welwyn Garden City AL8 6HZ

    Received 30 Mar 2022
  15. Decided - Granted6/2020/2930/EM

    Construction of garden room & store in rear garden

    76 Parkway Welwyn Garden City AL8 6HH

    Received 9 Nov 2020
  16. Decided - Refused6/2019/2843/HOUSE

    Erection of side in fill extension and first floor rear extension with alterations to openings

    36 Thornton Road Little Heath Potters Bar EN6 1JH

    Received 11 Nov 2019
  17. Decided - Granted6/2020/2665/TPO

    Crown reduce Oak tree by 25% (T2)

    3 Guessens Walk Welwyn Garden City AL8 6QS

    Received 6 Oct 2020
  18. Decided6/2020/2634/TC

    Fell 1 x Cherry (T1).

    78 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 12 Oct 2020
  19. Decided - Withdrawn6/2023/2406/VAR

    Variation of condition 15 (reference to skate park screen) on planning permission 6/2019/2431/MAJ

    Link Drive Car Park Link Drive Hatfield AL10 8TY

    Received 29 Nov 2023
  20. Decided - Withdrawn6/2019/3060/VAR

    Variation of condition 10 (drawings) on planning permission 6/2016/2422/FULL

    8 Firway Welwyn AL6 0RD

    Received 3 Dec 2019
  21. Decided - Granted6/2022/2146/ADV

    Installation of signage to facade of east and west buildings together with site wide totem wayfinding signage

    H R Owen Mosquito Way Hatfield Hertfordshire AL10 9WN

    Received 14 Sept 2022
  22. Decided6/2019/0076/TPO

    Fell 1x Scotts Pine -Conversation area

    25 Parkside Welwyn AL6 9DQ

    Received 15 Jan 2019
  23. Decided - Withdrawn6/2019/1993/TPO

    Fell 1x Dead and Dangerous Tree

    2 The Old Rectory Hill Farm Lane Welwyn AL6 9BT

    Received 9 Aug 2019
  24. Decided - Granted6/2026/1108/TPO

    T1 - 1 x Oak to reduce by approximately 2m height and width, ensuring to cut back clearing the house sufficiently. Oak reducing due to canopy in close proximity to property and roof. (Covered by TPO 24 A3)

    16 Mardley Hill Welwyn AL6 0TN

    Received 26 Jun 2026

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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

All planning guides

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

    UK research
    Published Updated

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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.

Check collection coverage

More planning authorities in England

Browse all authorities