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

21,540Searchable applications

298Recorded as pending

86%Approval rate · 17,431 approved or refused records

2,474Refused applications

14,957 approved · 2,474 refused · 1,105 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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

Decided6/2021/2553/TC
Formative prune 1 x Apple tree (T1) Fell 1 x Buddleia (T2) Reduce 1 x Beech branch (T3) by 2.5m as affecting apple tree Fell 1 x Conifer hedge (G1) covered by conservation area
80 Valley Road Welwyn Garden City AL8 7DP
Received 1 Sept 2021
Decided - Granted6/2018/2387/MAJ
Construction of new build of 22 x 2 Bedroom and 2 x 3 Bedroom residential apartments with balconies and a roof garden. Layout of 26 car parking spaces, cycle parking, refuse store, internal access routes, landscaping and supporting infrastructure.
37 Broadwater Road Welwyn Garden City AL7 3AX
Received 18 Sept 2018
Decided - Refused6/2021/2767/COND
Submission of details pursuant to conditions 11 (refuse and recycling), 13 (car parking laid out) and 14 (car parking allocation) on planning permission 6/2019/1699/FULL
1 Roe Green Close Hatfield AL10 9PD
Received 24 Sept 2021
Decided6/2020/2131/INT
Filming request
Splashlands Stanborough Park Stanborough Road
Received 17 Aug 2020
Decided6/2023/1431/TC
T2-Lime-Crown reduce all round by 2-3 metres to maintain size and shape
Churchfield House Guessens Road Welwyn Garden City AL8 6RJ
Received 10 Jul 2023
Decided - Granted6/2025/1854/TPO
T1 - 1 x Cherry to reduce by approximately 2m in height and width - Reduce to retain suitable size. Its close to the road where lorries and large vehicles hit canopy Rear T2 - 1 x Rowan reduce by approximately 4m in height and 1.2m in width - Decay in lower trunk, the reduction is to stabilise the tree TPO 640 (2017) G1
3 Heath Road Welwyn AL6 0TP
Received 1 Sept 2025
Decided - Refused6/2020/2142/LAWP
Certificate of Lawfullness for the erection of two storey rear extension projecting solely behind the original rear wall of the house and involving the removal of existing rear and side extensions and creation of loft conversion incorporating hip to gable enlargements, introduction of rear dormers and insertion of front and side rooflights.
22 Hawkshead Lane Hatfield AL9 7TB
Received 24 Aug 2020
Decided - Granted6/2022/2332/COND
Submission of details pursuant to condition 1 (crown roof plan), 2 (landscaping) and 4 (material samples), on planning permission 6/2021/2892/HOUSE
48 Calder Avenue Brookmans Park AL9 7AG
Received 6 Oct 2022
Decided - Granted6/2024/1222/HOUSE
Erection of outbuilding
60 Bradmore Way Brookmans Park AL9 7QX
Received 28 Jun 2024
Decided - Granted6/2020/2621/FULL
Replacement of 417 windows, 289 like-for-like and 128 modified for strength purposes. 9 PVCu French Door sets and one Fire Exit door.
Woodside House Bridge Road Welwyn Garden City AL8 6UJ
Received 9 Oct 2020
Decided - Granted6/2026/0910/FULL
Erection of an electronic advertising display following removal of existing non-illuminated signage
The Galleria Land Securities Comet Way Hatfield AL10 0XR
Received 21 May 2026
Decided6/2026/0170/TC
Holm oak to crown reduce back to most recent previous points (approximately 3m).
Roman Catholic Church Salisbury Square Hatfield AL9 5JD
Received 2 Feb 2026
Decided - Granted6/2025/2428/EMT
Beech to reduce by 2.5m in height and 1.5 in width. It is an out grown section of hedge
6 Sheepcote Welwyn Garden City AL7 4QD
Received 19 Nov 2025
Decided - Granted6/2024/1761/PN8
Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.8m in height and 2.9m to the eaves
20 Becket Gardens Welwyn AL6 9JE
Received 12 Sept 2024
Decided - Granted6/2023/1223/HOUSE
Erection of front porch
3 Great North Road Welwyn Garden City AL8 7TH
Received 9 Jun 2023
Decided - Granted6/2021/0530/HOUSE
Single storey side/rear extension and part garage conversion
28 Great Dell Welwyn Garden City AL8 7HY
Received 18 Feb 2021
Decided - Withdrawn6/2025/2326/COND
Submission of details pursuant to condition number 1 (drawings of all new windows and the front door) on planning permission 6/2023/1963/FULL
25 Park Street Hatfield AL9 5AT
Received 4 Nov 2025
Decided - Granted6/2024/1619/HOUSE
First floor side extension, two storey rear extension and conversion of existing garage, alterations to openings on existing rear elevation with insertion of roof light to existing roof and formation of hardstanding to front
43 Great Dell Welwyn Garden City AL8 7HP
Received 23 Aug 2024
Decided - Granted6/2025/2174/LAWE
Certificate of existing lawfulness for the confirmation of a material start on site of planning permission 6/2023/0857/HOUSE granted 28th June 2023 for the erection of a part single and part two storey side extension, installation of solar panels to roof and reconstruction of existing driveway.
16 Pitsfield Welwyn Garden City AL8 7SJ
Received 13 Oct 2025
Decided - Granted6/2020/3091/HOUSE
Single storey front and side extensions, first floor side and rear extensions and insertion of first floor side window.
7 Bradmore Way Hatfield AL9 7QY
Received 20 Nov 2020
Decided6/2021/3092/TC
Reduce 1 x Oak tree (T1) by 25% and crown lift 4 x Cherry trees, 5 x Hornbeam trees, 3 x Oak trees, 1 x Silver Birch, 1 x Holly tree, 1 x Hazel tree to 4m Oak tree is very close to house, the other trees are excessively shading the garden.
30 Coneydale Welwyn Garden City AL8 7RZ
Received 28 Oct 2021
Decided - Granted6/2024/1544/LAWP
Certificate of lawfulness for a loft conversion with rear dormer and roof lights to front existing roof elevation
19 Briars Lane Hatfield AL10 8ES
Received 13 Aug 2024
Decided - Refused6/2025/0800/PN8
Prior approval for a single storey rear extension which measures 4.6m in depth, 3m to the eaves with the overall height of 3m
60 Rivenhall End Welwyn Garden City AL7 2PH
Received 28 Apr 2025
Decided6/2023/0507/TC
1 x Oak to reduce crown by 25% to reduce back to previous reduction points or suitable growth point. Remove deadwood.
35 Sherrardspark Road Welwyn Garden City AL8 7JY
Received 7 Mar 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.
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