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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2024/0587/COND

    Submission of details pursuant to condition number 2 (landscape scheme) on planning permission 6/2023/0273/HOUSE

    6 Calder Avenue Brookmans Park AL9 7AQ

    Received 25 Mar 2024
  2. Decided - Granted6/2020/2795/LAWP

    Certificate of lawfulness for Formation of dormer to rear roof slope & installation of rooflight to front roof slope to create a Loft Conversion

    9 Mardley Wood Welwyn AL6 0UY

    Received 26 Oct 2020
  3. Decided - Granted6/2022/1002/HOUSE

    Erection of two storey front extension and change of material finish to front elevation from brickwork to smooth render

    33 Newgate Street Village Hertford SG13 8RA

    Received 27 Apr 2022
  4. Decided - RefusedS6/2014/0967/AG

    Agricultural building

    Woodlands, Coopers Lane Road, Northaw, Potters Bar, EN6 4DJ

    Received 6 May 2014
  5. Decided - RefusedW6/2004/0194/EM

    ARTIFICIAL TILE CANOPY TO EXISTING PORCH

    204 Howlands, Welwyn Garden City, AL7 4HF

    Received 9 Feb 2004
  6. Decided - Granted6/2018/2825/HOUSE

    Erection of two storey front extension, part single part two storey side and rear extensions and installation of front rooflights

    43 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 2 Nov 2018
  7. Decided6/2017/1977/TPO

    1 x Plum to remove overhanging limbs by 20% - Conservation Area

    20 Attimore Road Welwyn Garden City AL8 6LW

    Received 4 Sept 2017
  8. Decided6/2023/2154/TC

    1 x Sycamore to dismantle in sections to ground level. This is a self set tree & now dominating the front of the property. Its growing over the house and through phone lines causing problems 1 x Beech and 1 x Goat Willow to reduce by approximately 3m in height (to below phone line), reduce width by 1.5m. These are suppressed by the sycamore and now growing too close to the house

    17 Colgrove Welwyn Garden City AL8 6HY

    Received 23 Oct 2023
  9. Decided - Granted6/2021/1733/FULL

    Conversion of existing building from commercial storage (Use Class B8) to a single residential dwelling

    Cuffley Hills House Barn The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 2 Jun 2021
  10. Decided - GrantedS6/2014/1244/FP

    Erection of new dwelling following demolition of existing building

    32 Hill Rise, Cuffley, Potters Bar, EN6 4EJ

    Received 2 Jun 2014
  11. Decided - GrantedS6/2007/1640/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION WITH NEW WINDOW TO FRONT ELEVATION AND REPLACEMENT OF ROOF TO REAR.

    BRIDGE HOUSE, FIDDLEBRIDGE LANE, HATFIELD, HERTFORDSHIRE, AL10 0RN

    Received 2 Nov 2007
  12. Decided - GrantedN6/2015/0548/FP

    Installation of perimeter louvre grills to ground floor spandral panels and infilling of rear elevation roller shutters with matching brickwork and windows/spandral panels.

    2 The Boulevard, Welwyn Garden City, AL7 1EL

    Received 16 Mar 2015
  13. Appeal Decided - Dismissed6/2015/1913/HOUSE

    Erection of first floor side and rear extension

    66 Bramble Road Hatfield AL10 9SE

    Received 14 Sept 2015
  14. Decided - Granted6/2019/2438/TPO

    Fell 1 x Maple tree T1 Fell 2 x Hornbeam tree T2 T3 Fell 1 x Horse Chestnut tree T4

    21 Mornington Digswell Welwyn AL6 0AJ

    Received 1 Oct 2019
  15. Decided - Granted6/2023/2509/TPO

    T2 oak to reduce height and spread by 2m. T3 oak to reduce height by 2m. T4 oak to reduce height by 1.5m and spread by 2.5m. T5 oak to reduce height by 1.5m. T6 oak to reduce height by 2.5m. All covered by TPO178

    Oshwal Centre Coopers Lane Road Northaw Potters Bar EN6 4DG

    Received 18 Dec 2023
  16. Decided - Granted6/2019/2664/EM

    Formation of hardstanding

    1 Howicks Green Welwyn Garden City AL7 4RJ

    Received 23 Oct 2019
  17. Decided - Granted6/2023/0443/EMT

    T1 Apple tree - to reduce height and width by 50%

    18 Pondcroft Welwyn Garden City AL7 3XJ

    Received 27 Feb 2023
  18. Decided - Granted6/2025/0874/COND

    Submission of details pursuant to condition 1 (Construction Management Plan), condition 2 (Construction Ecological Management Plan), condition 3 (SEP (Species Enhancement Plan), condition 4 (Contamination), condition 5 (Contamination (Water)), condition 6 (Site Waste Management Plan (SWMP), condition 7 (SUDS), condition 8 (Tree Protection), and condition 17 (External Lighting Scheme) on planning permission 6/2024/1866/FULL

    Unit 1-3 51 Welham Manor Welham Green Hatfield AL9 7EL

    Received 12 May 2025
  19. Decided - Granted6/2024/1446/HOUSE

    Erection of first floor rear extension, installation of air conditioning unit and Juliet balconies, fenestration alterations

    6 Ashley Close Welwyn Garden City AL8 7LH

    Received 31 Jul 2024
  20. Decided - Granted6/2022/0305/EMT

    1 x Apple to reduce by 2.5m height & 2m width. Thin by 20%

    71 The Commons Welwyn Garden City AL7 4RZ

    Received 9 Feb 2022
  21. Decided - GrantedS6/2007/0253/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED INSTALLATION OF ABOVE GROUND INTEGRALLY BUNDED OIL STORAGE TANK AND ASSOCIATED PIPEWORK, PUMPS AND VALVES.

    Corner House West End Lane Essendon Hatfield AL9 5RQ

    Received 15 Feb 2007
  22. Decided6/2023/1950/TC

    Re pollard 1 x Poplar tree by 40% back to previous growth points and remove deadwood

    1 Elmwood Welwyn Garden City AL8 6LD

    Received 21 Sept 2023
  23. Decided - Granted6/2016/1390/EM

    Removal of 30 - 40ft tall Conifer tree

    31 Vine Close, Welwyn Garden City, AL8 7PS

    Received 28 Jun 2016
  24. Decided - Refused6/2018/1960/HOUSE

    Erection of first floor extension , Internal alterations with window upgrades and construction of a new carport

    11 Carbone Hill Northaw Potters Bar EN6 4PJ

    Received 25 Jul 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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    Planning application documents: what to read first

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  • 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.

  • 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.

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