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

24,121Searchable applications

313Recorded as pending

86%Approval rate · 19,743 approved or refused records

2,744Refused applications

16,999 approved · 2,744 refused · 1,258 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/2329/LAWP
Certificate of lawfulness for the formation of a block paving
107 Cole Green Lane Welwyn Garden City AL7 3JF
Received 7 Nov 2016
Decided - Granted6/2017/1328/EM
Removal of Pine tree located in rear garden
133 The Vineyard Welwyn Garden City AL8 7PX
Received 20 Jun 2017
Decided - Granted6/2019/3179/COND
Submission of details pursuant to condition 33 (For each block no development shall commence above ground level details of means of enclosure. For each block no premises or dwelling shall be occupied until the approved means of enclosure has been implemented) on planning application 6/2018/0171/MAJ
Former Shredded Wheat Factory Welwyn Garden City AL8 6UN
Received 18 Dec 2019
Decided - Granted6/2022/1225/COND
Submission of details pursuant to condition 1 (windows, doors, rooflights, eaves, verges and junctions) and condition 2 (external materials) on planning reference 6/2021/0059/HOUSE
58 Hertford Road Digswell Welwyn AL6 0BX
Received 25 May 2022
Decided - Granted6/2023/1184/PN8
Prior approval for the erection of a single storey rear extension measuring 8m in depth, 4m in height and 2.2m to the eaves
59 Brookside Crescent Cuffley Potters Bar EN6 4QP
Received 5 Jun 2023
Decided - Granted6/2022/0059/VAR
Variation of condition 6 (updated plan references for landscaping details), 13 (updated plan references for landscaping details), 14 (updated plan reference for car changing points in revised travel plan), 26 (development carried out in accordance to revised travel plan), 27 (development carried out in accordance to revised parking strategy) and 35 (amended plan list to reflect new plans) on planning permission 6/2021/0529/VAR
High View Neighbourhood Centre High View Hatfield AL10 9DE
Received 11 Jan 2022
Decided - Granted6/2017/2623/HOUSE
Erection of two storey rear extension and single storey side extension.
7 Little Youngs Welwyn Garden City AL8 6SL
Received 10 Nov 2017
Decided6/2018/0688/PN11
Prior approval for change of use of site and building from offices B1(a) to dwellinghouses (C3) to include the creation of 9 residential units
Andre House 19-25 Salisbury Square Hatfield AL9 5BT
Received 12 Mar 2018
Decided - Granted6/2020/3252/EMT
To fell Conifer To fell Pine
6 Digswell Road, Welwyn Garden City, AL8 7PA
Received 3 Dec 2020
Decided - Granted6/2016/2342/HOUSE
Roof conversion with rear dormer
23 Peregrine Way Hatfield AL10 9UP
Received 8 Nov 2016
Decided - Granted6/2020/3453/HOUSE
Erection of a part single storey and part two storey rear extension with rear rooflight
27 Haseldine Meadows Hatfield AL10 8HA
Received 24 Dec 2020
Decided - Granted6/2024/0178/EMT
2 x Lawson Cypress to reduce by approx 5m to match with existing hedge. To maintain size and create light into 2/3 properties and gardens
10 Great Ganett Welwyn Garden City AL7 3DF
Received 29 Jan 2024
Decided - Granted6/2025/1059/HOUSE
Erection of a ground floor rear extension, replacement of existing window reveal detailing, removal of existing front door and porch and installation of new window, reinstatement of original front door, removal of rear glazed porch area, insertion of a rear rooflight, alterations to first floor rear windows, blocking up existing first floor side window
8 High Road Essendon Hatfield AL9 6HW
Received 5 Jun 2025
Decided - Refused6/2024/0723/HOUSE
Erection of a part single, part two storey side extension with internal re-arrangements
61 Roe Green Close Hatfield AL10 9PF
Received 18 Apr 2024
Decided - Granted6/2023/0763/COND
Submission of details pursuant to condition 1 (existing rear dormer must be completely demolished and the resultant materials, debris and structures associated with the dormer permanently removed from the application site within a period of 18 months) on planning permission 6/2021/3406/HOUSE
112 Hollybush Lane Welwyn Garden City AL7 4JW
Received 5 Apr 2023
Decided - Granted6/2023/1608/EMT
1 x Oak to cut back overhanging branches over 12 and 13 Westmead by approximately 2.5m
167 Howlands Welwyn Garden City AL7 4RL
Received 2 Aug 2023
Decided - Granted6/2017/0875/COND
Submission of details pursuant to condition 1 (detailed drawings of the new and/or replacement doors and frames including extent and samples of any new tiling or wall cladding) on listed building consent 6/2016/2559/LB dated 20/03/2017
2 High Street Welwyn AL6 9EQ
Received 25 Apr 2017
Decided - Granted6/2021/0141/EMT
Reduce 1 x Sycamore by 2m height & 1.5 width, lift to 5.5m above ground level
41 Bassingburn Walk Welwyn Garden City AL7 3QQ
Received 18 Jan 2021
Decided - Granted6/2017/0503/PN10
Prior approval for the change of use of an agricultural building (C3 Class Q) to a dwellinghouse and associated development
Sparrow Farm Newgate Street Village Hertford SG13 8QR
Received 10 Mar 2017
Appeal Decided - Dismissed6/2020/1427/FULL
Erection of a single storey side extension, front porch infill extension and extension of existing ramp access.
14 Great North Road Welwyn AL6 0PL
Received 19 Jun 2020
Decided - Granted6/2018/1651/HOUSE
Erection of single storey side and rear extensions following demolition of existing side and rear extensions
1 Swallow Gardens Hatfield AL10 8QR
Received 21 Jun 2018
Decided - Refused6/2024/0004/OUTLINE
Outline permission for one dwelling
Land Opposite No. 9 Rollswood Road Welwyn AL6 9TX
Received 2 Jan 2024
Decided - Refused6/2017/2646/PN8
Prior approval for the erection of a single storey rear extension measuring 8m in depth, 2.8m in height and 2.541m to the eaves.
Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ
Received 10 Nov 2017
Decided - Granted6/2018/1373/COND
Submission of details pursuant to condition 1 material samples (construction of the hardstanding) on planning permission 6/2018/0203/FULL
163 Cole Green Lane Welwyn Garden City AL7 3JG
Received 18 May 2018

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