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
19,264Searchable applications
298Recorded as pending
86%Approval rate · 15,556 approved or refused records
2,165Refused applications

13,391 approved · 2,165 refused · 977 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1240/EM

    Widening of the single driveway into double driveway

    31 Lemsford Lane Welwyn Garden City AL8 6YN

    Received 2 Jul 2024
  2. Decided - Granted6/2018/3011/HOUSE

    Erection of a single storey rear extension

    26 Harwood Close Welwyn Garden City AL8 7SN

    Received 23 Nov 2018
  3. Decided - Granted6/2020/2659/EMT

    Fell 1 x Norway Maple (T1), 2 x Lilac (T2, T3), 2 x Beech (T4 and T5) and Cherry (T6).

    67 Daniells Welwyn Garden City AL7 1QT

    Received 13 Oct 2020
  4. Decided - Withdrawn6/2024/2118/LB

    Alterations to the listed building to allow for the erection of a single storey rear extension to accommodate a new spa facility

    The Listed Hangar Mosquito Way Hatfield AL10 9AX

    Received 4 Nov 2024
  5. Decided - Granted6/2024/2420/HOUSE

    Erection of single storey rear extension

    7 Stacklands Welwyn Garden City AL8 6XW

    Received 23 Dec 2024
  6. Decided - Refused6/2018/2720/HOUSE

    Erection of a front and rear extension and installation of dormer and rooflights to facilitate loft conversion

    33 The Meadway Cuffley Potters Bar EN6 4ET

    Received 23 Oct 2018
  7. Decided - Granted6/2018/2457/HOUSE

    Erection of single storey front extension and porch, single storey side and rear extension following demolition of existing porch and rear conservatory

    19 Birch Grove Welwyn AL6 0QP

    Received 25 Sept 2018
  8. Decided - Granted6/2021/2782/COND

    Submission of details pursuant to condition 2 (acoustic assessment) on planning application 6/2021/1767/FULL

    4-6 Howardsgate, Welwyn Garden City, AL8 6BQ

    Received 27 Sept 2021
  9. Decided6/2023/1202/TC

    T2 Sorbus to fell and poison. G1 Hawthorn, ash, spruce to maintain vegetation at broadly current dimensions by periodic pruning (as illustrated in Arboricultural Appraisal Report dated 24/03/2023). G1 Prunus to fell and poison. Reason: Clay shrinkage subsidence damage at property

    6 Polayn Garth Welwyn Garden City AL8 7DJ

    Received 6 Jun 2023
  10. Decided - Granted6/2020/2549/EMT

    T1- Oak 3m Crown reduction, T2- Ash Remove low limb, T3 Hornbeam Crown Lift to 3m, T4 Oak Remove low Limb, T5 Ash Remove low limb, T6 Oak 3-4m crown reduction, T7 Oak 3-4m reduction, T8 Oak fell to ground level. T9 Hornbeam Cut back over hang and crown lift 5m, T11 Hornbeam Crown Lift 5m, T12 Hornbeam Crown Lift 5m, T13 T14 T15 group of hornbeam, 3-4m crown reductions, T16 T17 T17a Group 2x oak trees 1 x Acer Fell to ground level, T18 Hornbeam reduce 4m and lift 6m, T19 Hornbeam Cut back and lift 6m, T20 Oak Cut back over hang, T21, Hornbeam Fell to ground level, T22 Hornbeam Heavy Pollard, T23 Hornbeam 3-4m reduction,

    76 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 1 Oct 2020
  11. Under Consideration6/2026/0915/FULL

    Refurbishment of the existing residential farmhouse and the change of use of the adjoining stables from storage (use class B8) to residential (use class C3) to form a single residential unit. Erection of a single storey storey glazed links across the adjoining former stables and alteration of fenestration and associated hard and soft landscaping

    Holwell Court Farm Holwell Court Hatfield AL9 5RL

    Received 22 May 2026
  12. Decided - Refused6/2019/2008/EM

    Formation of hardstanding

    5 Bushey Ley Welwyn Garden City AL7 3EY

    Received 12 Aug 2019
  13. Decided - Granted6/2018/3043/LAWP

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

    2 Stockbreach Close Hatfield AL10 0AX

    Received 28 Nov 2018
  14. Decided6/2020/0328/TC

    Fell 1 x Apple tree T1 Covered by conservation area

    72 Pentley Park Welwyn Garden City AL8 7SG

    Received 5 Feb 2020
  15. Decided - Split6/2025/0284/COND

    Submission of details pursuant to condition number 1 (Construction Management Plan), 2 (Landscape and Ecological Management Plan), 3 (Tree Protection Plan, Arboricultural Impact Assessment and Arboricultural Method Statement), 4 (Archaeological Written Scheme of Investigation), 5 (Samples), 6 (Parking of Cycles), 7 (Refuse and Recycling Storage), 11 (Electric Vehicle (EV) charging points) and 12 (Delivery of accessible housing) on planning permission 6/2022/0866/FULL

    The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ

    Received 18 Feb 2025
  16. Decided6/2023/1155/TC

    1 x Quince to reduce by 1.5m in height and width, remove 1 x low limb back to main trunk 1 x Ash to reduce by 2.5m in height and 2m in width, not exceeding historic pruning points. Remove major deadwood consisting of branches greater than 30mm in diameter and 400mm in length

    The Vicarage 48 Parkway Welwyn Garden City AL8 6HH

    Received 31 May 2023
  17. Decided - Granted6/2026/0053/EMT

    3 x Himalayan birch to reduce by around 1.5m in height and width. 3 x Holm oak to reduce by around 0.5m height, cut back width to clear cabin roof.

    16 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 13 Jan 2026
  18. Decided - Granted6/2019/0113/EM

    Removal of 2x privet hedging and replacing with bare foot beech

    62 Valley Road Welwyn Garden City AL8 7DN

    Received 21 Jan 2019
  19. Decided - Granted6/2022/1913/TPO

    T1 - Sweet chestnut to remove epicormic growth from trunk upto 4m above ground level. The young shoots are now starting to touch the garage roof, they will also allow damp and moss to gather potentially causing future damage. T2 - Sweet chestnut to reduce to a standing stem of approximately 5m above ground level. The tree has a large amount of frass present around 1m above ground level, the upper crown has large amounts of deadwood and is showing signs of low vitality. The tree borders both a neighbouring property and a roadway. G1 - Ash and Cedar to reduce lateral branches over the property by approximately 2m. Branches are oversailing the property quite extensively, leaving it damp, dark and the path covered in bird poo. TPO 676 (2017) G2 & G3

    8 Firway Welwyn Hertfordshire AL6 0RD

    Received 16 Aug 2022
  20. Decided6/2023/2148/TC

    Removal and replacement of False Acacia tree for like for like

    14 Walden Road Welwyn Garden City AL8 7PF

    Received 23 Oct 2023
  21. Decided - Refused6/2018/1193/EM

    Replacement front porch/canopy

    158 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 7 May 2018
  22. Decided - Granted6/2021/2031/EMT

    Fell 1 x Cherry tree and grind out stump

    51 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 2 Jul 2021
  23. Decided - Granted6/2026/0784/EM

    Removal of an existing shed and associated structures at the rear of the garden and erection of a modest timber garden building with shingle roof for use as a garden office. Remove all the green outline (which includes shed, chicken run wire / posts and corrugated roof, and replacing with the bronze outine

    20 Attimore Road Welwyn Garden City AL8 6LW

    Received 5 May 2026
  24. Decided6/2022/0424/EIA

    Request for screening opinion

    Beales Hotel Comet Way Hatfield AL10 9NG

    Received 18 Feb 2022

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