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

20,001Searchable applications

298Recorded as pending

86%Approval rate · 16,162 approved or refused records

2,263Refused applications

13,899 approved · 2,263 refused · 1,013 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Planning information Planning and building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 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

Decided - Granted6/2026/0903/COND
Submission of details pursuant to Condition 3 (Landscaping Design) on planning permission 6/2024/1734/HOUSE
30 Barleycroft Road Welwyn Garden City AL8 6JU
Received 21 May 2026
Decided - Granted6/2023/0076/HOUSE
Erection of first floor side extension
176 Blythway Welwyn Garden City AL7 1DU
Received 12 Jan 2023
Decided - Granted6/2021/1401/HOUSE
Erection of full first floor with 2 x front dormer windows to facilitate loft conversion, front porch canopy, side chimney, with other external alterations, following demolition of attached garage and first floor rear extension.
22 Reynards Road Welwyn AL6 9TP
Received 4 May 2021
Decided - Granted6/2022/2846/ADV
Installation of new signage
32 Howardsgate Welwyn Garden City AL8 6BJ
Received 16 Dec 2022
Decided6/2021/2615/TC
Reduce 2 x Laurel Hedge (T1, T7) to 2m and 1 x Laurel Hedge (T5) to 3m Reduce 1 x Holly tree (T2) by 30% Reduce and shape 1 x Damson tree (T3) by 2m Reduce 1 x Pyracantha Hedge (T4) to 2m Reduce and shape 1 x Chestnut tree (T6) by 20% Reduce 1 x Sycamore tree (T8) by 30% covered by conservation area
6 Youngs Rise Welwyn Garden City AL8 6RU
Received 8 Sept 2021
Decided - Granted6/2022/0526/TPO
Cedar tree (T1) - Reduce by approx 20%, thin crown by 20% to allow more light in, remove dead wood and remove low limb over conservatory.
31 Parkside Welwyn AL6 9DQ
Received 4 Mar 2022
Decided - Granted6/2020/0434/COND
Submission of details pursuant to condition 1 (partially obscured film details) on planning permission 6/2019/2756/FULL
45 Town Centre Hatfield AL10 0JJ
Received 17 Feb 2020
Decided - Granted6/2025/2481/HOUSE
Conversion of part of the garage in to living accommodation and alterations to fenestration
4 Tomlinson Court Welwyn AL6 9GD
Received 26 Nov 2025
Decided - Granted6/2022/2495/PN14
Prior approval for the demolition of all former flying club buildings at the south of the site, plus all scattered outbuildings along the northern boundary of the site
Land North East of Welwyn Garden City Panshanger Lane Welwyn Garden City
Received 31 Oct 2022
Decided - Granted6/2022/2748/EMT
Removal of front hedge on driveway, boundary between private property and footpath and replace with more maintenance friendly plants instead.
96 Bushey Ley Welwyn Garden City AL7 3HQ
Received 5 Dec 2022
Decided - Granted6/2018/2293/COND
Submission of details pursuant to condition 1 (assessment regarding contamination risks) on planning permission 6/2018/1355/FULL
Magellan House Bessemer Road Welwyn Garden City AL7 1HJ
Received 6 Sept 2018
Decided - Granted6/2018/1535/PN8
Prior approval for the erection of single storey rear extension measuring 4m deep, 2.7m high and 2.7m to the eaves
6 Furzefield Road Welwyn Garden City AL7 3RH
Received 7 Jun 2018
Decided6/2025/1429/TC
Cotoneaster tree in corner of front garden - propose to trim by approx 1.5 m all around Hedge at front boundary - propose to remove 1m (1 hedge trunk) of total length of 12m to open out driveway access and replace with gravel area. Remainder of hedge to remain as is (same height and depth)
7 Elmwood Welwyn Garden City AL8 6LD
Received 7 Jul 2025
Decided - Refused6/2024/0757/HOUSE
Replacement windows and door
47 Gresley Close Welwyn Garden City AL8 7QA
Received 24 Apr 2024
Decided - Granted6/2024/0691/COND
Submission of details pursuant to condition number 6d (verification of completion) and 9 (external lighting scheme) on planning permission 6/2019/1699/FULL
1 Roe Green Close Hatfield AL10 9PD
Received 12 Apr 2024
Decided - Granted6/2020/2721/EMT
Sycamore (T1) to remove 1 stem over the boundary of 62 Moorlands and cut back remaining crown to the boundary line or suitable growth point
60 Moorlands Welwyn Garden City AL7 4QG
Received 19 Oct 2020
Appeal Decided - Dismissed6/2018/1275/EM
Installation of a replacement front door
37 Linkfield Welwyn Garden City AL7 4DN
Received 10 May 2018
Decided - Granted6/2018/0692/LAWP
Certificate of lawfulness for loft conversion to habitable space including installation of rear dormer and front roof light velux windows
30 Frampton Road Little Heath Potters Bar EN6 1JE
Received 14 Mar 2018
Decided - Withdrawn6/2020/1905/VAR
Variation of condition number 23 (Approved Plans) of planning permission 6/2019/1851/VAR
The Holdings Cole Green Lane Welwyn Garden City AL7 4AL
Received 3 Aug 2020
Under Consideration6/2026/1413/TPO
Fell 2 x Scotts Pine covered by TPO 92
1 Foxes Lane Cuffley Potters Bar EN6 4JB
Received 10 Aug 2026
Decided - Granted6/2021/3070/EMT
1 x Cherry to reduce by 20% crown volume - approximately 1.5m height & 2m width
70A Sweet Briar, Welwyn Garden City, AL7 3EA
Received 26 Oct 2021
Decided - Granted6/2022/0353/TPO
TPO 669 (2017) T3 Mature sycamore tree numbered on plan as T3 Tree stands above a visitor parking area for 2 vehicles and dead branches and twigs occasionally fall. Tree surgeon recommends crown thinning by 25%. This is routine maintenance work last carried out in 2014. TPO 669 (2017) T4 Mature sycamore tree numbered on plan as T4 Tree surgeon recommends crown reduction by 4 metres This is routine maintenance work last carried out in 2014 and reduces encroachment on a neighbouring property.
4 Greenways Digswell Welwyn AL6 0EE
Received 15 Feb 2022
Decided - Granted6/2018/0789/EM
Erection of a single storey rear extension following demolition of existing detached outbuilding
50 Uplands Welwyn Garden City AL8 7EW
Received 22 Mar 2018
Decided - Refused6/2019/1233/HOUSE
Partial conversion of garage into utility space
26 Princes Avenue Welwyn Garden City AL7 4DT
Received 20 May 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.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
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.
UK research
Published 6 Aug 2026Updated 13 Sept 2026
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.
UK research
Published 13 Aug 2026Updated 13 Sept 2026

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