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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
24,611Searchable applications
313Recorded as pending
86%Approval rate · 20,174 approved or refused records
2,787Refused applications

17,387 approved · 2,787 refused · 1,294 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0717/FULL

    Construction of an external plant enclosure; an external bin store; a replacement cycle shelter; provision of an electric vehicle charger and marking of 2 additional disabled parking bays

    Shire Park Falcon Gate Falcon Way Welwyn Garden City AL7 1TW

    Received 16 Apr 2024
  2. Decided6/2018/3218/TPO

    Fell 1 x Hawthorn tree and reduce 1 x Apple tree by 1m in height and width - covered by conservation area

    11 The Orchard Welwyn Garden City AL8 7PL

    Received 18 Dec 2018
  3. Decided - Granted6/2024/1843/HOUSE

    Erection of first floor rear extension

    8 Cole Green Lane Welwyn Garden City AL7 3PW

    Received 25 Sept 2024
  4. Decided - Granted6/2025/2570/EMT

    1 x Beech to reduce by around 2m height and width Reducing size as large lateral branches extending into neighbours trees and gardens

    72 Sweet Briar Welwyn Garden City AL7 3EA

    Received 15 Dec 2025
  5. Decided - Granted6/2024/1035/EM

    Replace existing wooden front door, wooden side door and steel garage door

    17 Elmwood Welwyn Garden City AL8 6LD

    Received 4 Jun 2024
  6. Under Consideration6/2025/2413/VAR

    Variation of conditions Condition 9 (Land contamination), Condition 10 (Piling Method Statement and foundation works risk assessment), Condition 12 (Construction Management Plan), Condition 13 (Detailed drawings), Condition 14 (Construction drawings for flooding risk management), Condition 15 (Construction phase surface water management plan), Condition 16 (Water supplies and fire hydrants), Condition 17 (Cycle storage), Condition 18 (Energy saving technologies), Condition 19 (Landscaping details), Condition 20 (Samples of materials), Condition 22 (Survey and verification report for surface water drainage system), Condition 23 (Maintenance and management of the sustainable drainage scheme) Condition 24 (Lighting strategy for bats), Condition 25 (Noise mitigation), Condition 26 (Surface water interception and disposal), Condition 28 (EV charging spaces), Condition 29 (Water efficiency and water reduction measures), Condition 30 (BREEAM certification), Condition 31 (Recycling and waste storage), Condition 32 (Overarching Travel Plan and Plot Travel Plans), Condition 41 (Approved landscaping details) and Condition 42 (Approved Drawings) on planning permission 6/2024/0908/MAJ

    Norton Building Bridge Road East Welwyn Garden City AL7 1JR

    Received 18 Nov 2025
  7. Decided - Granted6/2021/3362/VAR

    Variation of condition 7 (alterations to fenestrations) on planning permission 6/2018/1599/FULL

    20 Kindersley Close Welwyn AL6 9RN

    Received 29 Nov 2021
  8. Decided - Granted6/2017/0071/EM

    Reduce crown of oak by 20% and remove deadwood

    61 Pentley Park Welwyn Garden City AL8 7SF

    Received 16 Jan 2017
  9. Decided - Refused6/2017/0077/HOUSE

    Erection of single storey rear extension and garage

    146 Salisbury Road Welwyn Garden City AL7 3SA

    Received 16 Jan 2017
  10. Decided - Granted6/2018/0620/LAWP

    Certificate of lawfulness for hip to gable including installation of rear dormer to facilitate loft conversion

    115 Peplins Way Brookmans Park Hatfield AL9 7UT

    Received 5 Mar 2018
  11. Decided - Split6/2022/2570/COND

    Submission of details pursuant to conditions 1 (details of insulation and roof membrane), 2 (methology of retiling roof), 3 (details of new roof tiles) and 4 (rainwater goods) on planning permission 6/2022/0779/LB

    55 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 10 Nov 2022
  12. Decided - Granted6/2025/2427/HOUSE

    Erection of part two storey / part single storey rear extension, material changed externally to the rear of the property, Addition of gate to side entrance of property

    26 Carleton Rise Welwyn AL6 9RF

    Received 19 Nov 2025
  13. Decided - Granted6/2022/1658/HOUSE

    Erection of single storey side extension and first floor extension to roof including front dormer windows and rear rooflights to facilitate loft conversion

    1A Roundabout Lane Welwyn AL6 0TQ

    Received 14 Jul 2022
  14. Decided - Refused6/2020/2031/HOUSE

    Erection of single storey side, single storey rear, part two storey side and part two storey rear extension, following demolition of existing side extension and detached shed.

    31 Marley Road Welwyn Garden City AL7 4BT

    Received 13 Aug 2020
  15. Decided - Withdrawn6/2017/0606/MAJ

    Erection of 2 buildings to provide 1,194m2 (GEA) commercial floor space (A1 & A3), 70 flats (15 x 1 bedroom, 7 x 2 bedroom, three person and 48 x 2 bedroom, four person) with associated car/bicycle parking, plant and refuse storage and including the improvement of public realm, following the demolition of existing buildings.

    1-9 Town Centre Hatfield AL10 0JZ

    Received 24 Mar 2017
  16. Decided - Granted6/2018/2837/HOUSE

    Erection of single rear extension

    14 The Holt Welwyn Garden City AL7 2HU

    Received 5 Nov 2018
  17. Decided6/2021/1630/TC

    Poplar (T1 & T2) - reduce height of poplar trees by 50%, thin out overgrown branches and remove dead branches.

    145 Parkway Welwyn Garden City AL8 6JB

    Received 21 May 2021
  18. Decided - Split6/2022/2190/COND

    Submission of details pursuant to condition 9 (SuDS plan management and maintenance plan for Blocks 10 and 11) for planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 22 Sept 2022
  19. Decided - Granted6/2021/0725/EMH

    Replace existing aluminium sliding sash windows (silver finish) with white pvcu frames, replace rear white pvcu door with white pvcu door of similar design, replace front door with composite style door of selected design.

    153 Peartree Lane Welwyn Garden City AL7 3AJ

    Received 4 Mar 2021
  20. Decided - Granted6/2016/0338/HOUSE

    Erection of double storey side extension

    10 Reeves Court Welwyn AL6 9FU

    Received 29 Feb 2016
  21. Decided - Granted6/2022/1035/HOUSE

    Erection of a single storey side extension following the demolition of existing attached garage

    57 Pentley Park Welwyn Garden City AL8 7SF

    Received 4 May 2022
  22. Decided - Granted6/2020/1080/EM

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

    11 Harwood Hill Welwyn Garden City AL8 7AA

    Received 17 Apr 2020
  23. Decided6/2020/3246/TC

    1 x Oak to reduce low limb over fence by 2.5m. Reduce 4 limbs over shed by 3m. This will allow more light into neighbours garden 1 x Sycamore to remove left stem due to safety. 1 x Ash to remove 3 low branches over garden to clear phone lines and allow more light Pics attached

    26 Beehive Green Welwyn Garden City AL7 4BG

    Received 3 Dec 2020
  24. Decided - Granted6/2019/0376/EM

    Semipollard 1 x Willow tree back to same pruning points

    18 Sheepcote Welwyn Garden City AL7 4QD

    Received 18 Feb 2019

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.

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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.

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    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.

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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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