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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
18,969Searchable applications
298Recorded as pending
86%Approval rate · 15,309 approved or refused records
2,133Refused applications

13,176 approved · 2,133 refused · 959 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/3120/TPO

    Prune 1x lime tree back to previous pruning points.

    6 Juniper Gardens Welwyn AL6 0XH

    Received 10 Dec 2019
  2. Decided - Granted6/2020/2939/LAWP

    Certificate of Lawfulness for the erection of two side dormer windows, alterations to existing window openings, proposed window openings and infilling of door and window to dwellinghouse

    120 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 9 Nov 2020
  3. Decided - Granted6/2022/1648/EMT

    2 x Holly to dismantle in sections to ground level

    15 Fern Grove Welwyn Garden City AL8 7ND

    Received 12 Jul 2022
  4. Decided6/2021/0778/TPO

    Re-pollard Lime Tree (T1) back approx 2m to previous cut points

    170 Parkway Welwyn Garden City AL8 6HZ

    Received 10 Mar 2021
  5. Decided - Withdrawn6/2020/0534/LAWP

    Certificate of lawfulness for the erection of a single storey side and two story rear extension

    22 Reynards Road Welwyn AL6 9TP

    Received 25 Feb 2020
  6. Decided - Granted6/2022/2445/FULL

    Erection of replacement dwelling, following demolition of existing dwelling

    13 East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 21 Oct 2022
  7. Decided - Granted6/2022/1722/HOUSE

    Erection of single storey rear extension with the insertion of rooflights following the demolition of existing conservatory and extension

    10 Birdcroft Road Welwyn Garden City AL8 6EQ

    Received 21 Jul 2022
  8. Decided - Granted6/2025/0106/HOUSE

    Erection of rear extension with internal alterations

    23 The Shaws Welwyn Garden City AL7 2HR

    Received 22 Jan 2025
  9. Decided - Granted6/2024/0058/HOUSE

    Erection of a single storey rear extension, formation of level access to property and outbuildings, decking, new automated access gates and boundary fencing

    39 Mardley Hill Welwyn AL6 0TT

    Received 9 Jan 2024
  10. Decided - Granted6/2022/0775/LB

    Erection of a single story rear extension including demolition of octagonal bay, new entrance gates and internal alterations.

    Pennyfathers Pennyfathers Lane Welwyn AL6 0EL

    Received 30 Mar 2022
  11. Decided - Granted6/2023/2461/FULL

    Erection of replacement stable building following the demolition of existing stables

    1 Reynards Road Welwyn AL6 9TR

    Received 7 Dec 2023
  12. Decided - Granted6/2021/0377/HOUSE

    Erection of two story rear extension

    29 Salisbury Road Welwyn Garden City AL7 3RR

    Received 5 Feb 2021
  13. Decided - Granted6/2023/0831/EMT

    To remove rowan tree

    64 Moorlands Welwyn Garden City AL7 4QG

    Received 18 Apr 2023
  14. Decided - Granted6/2020/1534/EMT

    Fell 1 x Ash tree Fell 1 x Hawthorn tree

    33 Applecroft Road Welwyn Garden City AL8 6JZ

    Received 29 Jun 2020
  15. Decided - Granted6/2020/2023/EMT

    Removal 3 branches 1 x Ash, branch on left to be removed to union approx 1m from trunk. Fell 1 x plum and fell 2 x Laurel to ground level.

    13 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 12 Aug 2020
  16. Decided - Granted6/2021/0119/HOUSE

    Erection of single storey front, side and rear extensions.

    98 Bull Stag Green Hatfield AL9 5DE

    Received 15 Jan 2021
  17. Decided - Granted6/2024/0769/COND

    Submission of details pursuant to condition number 4 (crown roof),5 (materials),6 (landscaping scheme),7 (refuse and recycling store and the cycle store),8 (allocation of car parking),9 (external lighting),10 (obscured glazing) on planning permission 6/2023/0374/FULL/ Appeal ref: APP/C1950/W/23/3323499

    11 Tolmers Gardens Cuffley Potters Bar EN6 4JE

    Received 24 Apr 2024
  18. Decided6/2025/2221/TC

    White Mulberry tree. Reduce the crown by 25% (approximately 2m to be taken off all branches) Several branches are now in contact with the neighbouring property and on our side the lower branches are now overhanging the lawn and paths well below head height

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 21 Oct 2025
  19. Decided - Granted6/2020/0117/EM

    Alterations to doors and windows

    7 Pentley Park Welwyn Garden City AL8 7RT

    Received 17 Jan 2020
  20. Decided - Granted6/2019/2866/HOUSE

    Installation of rear bi-folding doors to facilitate conversion of garage into habitable space

    20 Great North Road Welwyn AL6 0PS

    Received 13 Nov 2019
  21. Decided - Granted6/2022/0587/FULL

    Demolition of the existing four bedroom detached bungalow with attached garage and associated driveway and erection of a two storey four-bedroom detached dwelling with attached garage and associated driveway

    10 Mannicotts Welwyn Garden City Hertfordshire AL8 7BW

    Received 14 Mar 2022
  22. Decided - Granted6/2025/0614/EM

    Replacement front door to improve security and insulation, and replacement of one first floor bedroom window - Like for like replacement

    37 Sherrardspark Road Welwyn Garden City AL8 7JY

    Received 31 Mar 2025
  23. Decided - Granted6/2020/2898/HOUSE

    Erection of first floor side extension and front garage after conversion of existing garage into a habitable space

    66 New Road Digswell Welwyn AL6 0AN

    Received 5 Nov 2020
  24. Decided - Granted6/2021/0336/EMT

    Fell 2 x existing hedgerow sections (Thuja), separated by Red Oak tree (T1), replaced with single line of Yew hedgerow along front of property. Fell 1 x self-seeded tree (T2).

    30A High Oaks Road Welwyn Garden City AL8 7BH

    Received 3 Feb 2021

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

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    Planning application documents: what to read first

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    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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  • 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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