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
23,569Searchable applications
313Recorded as pending
86%Approval rate · 19,260 approved or refused records
2,689Refused applications

16,571 approved · 2,689 refused · 1,215 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2025/2266/FULL

    Erection of two dwellings following demolition of bungalow, landcaping and changes to access arrangements

    Tylersley Farm Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 24 Oct 2025
  2. Decided - Granted6/2022/1006/EMT

    Figure 1. Ash to reduce the crown from approx 17 Mtrs to 10 meters and also remove a limb which is growing into other trees and causing damage due to the way in which it overhangs our log store and summer house/garden room. Figure 2. Maple to both thin the crown, reduce the crown from approx 15 meters to 10 meters and lift the crown to 4m.

    6 Fearnley Road Welwyn Garden City AL8 6HW

    Received 28 Apr 2022
  3. Decided - Granted6/2021/2911/HOUSE

    Erection of a single storey rear extension, partial conversion of garage to habitable use, insertion of 1 x bay window to front elevation, partial removal of hedge to allow extension of driveway, alterations to fenestrations, and erection of raised decking/patio area to rear of dwelling

    45 Digswell Rise Welwyn Garden City AL8 7PP

    Received 11 Oct 2021
  4. Decided - Granted6/2023/0919/TPO

    T1 1 x Oak to reduce branches in north westerly direction (towards property) by 1.2m up to a height of 10m. T2 1 x Oak to reduce lowest 3 limbs in northerly direction by 1.2-1.5m

    26 Reddings Welwyn Garden City AL8 7LA

    Received 2 May 2023
  5. Decided - Granted6/2017/1186/LAWP

    Certificate of lawfulness for the extension and replacement of hard surfacing

    3 Heathlands Welwyn AL6 0UU

    Received 31 May 2017
  6. Decided - Granted6/2022/2267/EM

    Erection of a single storey front extension, following the demolition of an existing porch and alterations to front window.

    69 Broomhills Welwyn Garden City AL7 1RE

    Received 29 Sept 2022
  7. Decided - Refused6/2018/1634/HOUSE

    Erection of part two storey part single storey rear and side extension

    50 Marley Road Welwyn Garden City AL7 4BS

    Received 18 Jun 2018
  8. Call In/Major Objection6/2026/1120/FULL

    New access from Dixons Hill Road to Land North of Dixons Hill Road Welham Green

    Land North of Dixons Hill Road Welham Green AL9 7EE

    Received 29 Jun 2026
  9. Decided - Granted6/2016/2183/EM

    1 x Ash to reduce by 2.5m in height and width

    81 The Commons Welwyn Garden City AL7 4RZ

    Received 17 Oct 2016
  10. Appeal Decided - Dismissed6/2020/0447/PN11

    Prior approval for the change of use from offices (B1(a)) to dwellinghouses (C3) to create 45 residential dwellings

    Everest House Sopers Road Cuffley Potters Bar EN6 4SG

    Received 14 Feb 2020
  11. Decided - Granted6/2017/1378/EM

    1 x Hornbeam to reduce lateral branches by 3m to boundary

    11 Colgrove Welwyn Garden City AL8 6HY

    Received 26 Jun 2017
  12. Decided - Granted6/2019/1604/TPO

    Reduce 1x Oak by 30% (T5 covered by TPO 791 (2018))

    7 Hangmans Lane Welwyn AL6 0TJ

    Received 1 Jul 2019
  13. Decided - Granted6/2025/0110/FULL

    Retention of a car park formally servicing as an ancillary car park to the former shredded wheat factory now privately owned and operating as a public car park (retrospective)

    Land Lying To The South Of Bridge Road Welwyn Garden City AL7 1HL

    Received 23 Jan 2025
  14. Decided - Refused6/2024/1888/COND

    Submission of details pursuant of condition 25 (Sustainable Drainage Systems Maintenance and Management Manual) on planning permission 6/2023/0759/VAR

    Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

    Received 1 Oct 2024
  15. Decided - Granted6/2017/2788/EM

    Erection of single storey rear extension, installation of window in existing side extension and installation of window and brickwork to replace existing door on front elevation.

    95 The Vineyard Welwyn Garden City AL8 7PX

    Received 29 Nov 2017
  16. Decided - Refused6/2018/1107/LAWP

    Certificate of lawfulness for the erection of side extension and outbuilding

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 27 Apr 2018
  17. Decided - Granted6/2023/0848/EMT

    T1- Multi-stemmed Ash-Crown reduce by 3-4 metres all round to maintain size and shape T2-Apple - Prune to previous pruning points, approx. 1-2 metres to maintain size and shape

    84 Attimore Road Welwyn Garden City AL8 6LP

    Received 20 Apr 2023
  18. Under Consideration6/2026/1275/FULL

    Installation of wall insulation (materials to match existing to all of the external wall), replacement windows and doors to double/triple glazed units and thermal doors, balcony insulation system to be added to balcony slab and new railings (to match existing) to be installed

    Council owned flats: Feather Dell Hatfield AL10 8DD 20-42 Feather Dell Hatfield AL10 8DD

    Received 20 Jul 2026
  19. Decided - Refused6/2020/3260/LAWP

    Replacing existing windows and door.

    84 Ludwick Way Welwyn Garden City AL7 3QE

    Received 4 Dec 2020
  20. Decided - Granted6/2017/0775/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension and detached store room

    89 Heathcote Avenue Hatfield AL10 0RL

    Received 18 Apr 2017
  21. Decided - Granted6/2020/2745/EMT

    Reduce 2 x Ash trees by 30% Reduce 2 x Hornbeam trees by 30%

    30 High Oaks Road Welwyn Garden City AL8 7BH

    Received 21 Oct 2020
  22. Decided - Granted6/2018/3009/LB

    Replacement of Modern PVC, Aluminium Windows and Doors on Grade II listed building

    31 Mill Lane Welwyn AL6 9EU

    Received 23 Nov 2018
  23. Decided - Refused6/2025/1343/HOUSE

    Erection of a first floor rear extension

    167 Knella Road Welwyn Garden City AL7 3NT

    Received 26 Jun 2025
  24. Decided - Granted6/2023/1584/EM

    Erection of a single storey front extension, following demolition of existing porch and insertion of 2 no windows to side elevation

    145 Blythway Welwyn Garden City AL7 1DS

    Received 31 Jul 2023

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.

  • 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