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

22,914Searchable applications

313Recorded as pending

86%Approval rate · 18,659 approved or refused records

2,629Refused applications

16,030 approved · 2,629 refused · 1,181 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0855/PN8
Prior approval for the erection of a single storey rear extension measuring 8m in depth, 2.5m in height, 2.5m to the eaves
19 The Avenue Welwyn AL6 0PW
Received 16 Mar 2021
Decided - Granted6/2023/1339/FULL
Installation of customer entrance door, vehicle access door, new external canopy for customer service drop-off and associated site and plan alterations
S & B Commercials Plc Travellers Lane Welham Green Hatfield AL9 7HN
Received 28 Jun 2023
Decided - Refused6/2021/1106/LAWP
Certificate of lawfulness for the erection of a new outbuilding in the rear garden
379 St Albans Road West Hatfield AL10 9RU
Received 6 Apr 2021
Decided - Granted6/2023/0028/EM
Erection of part single storey and part two storey rear extension, single storey side extension, Velux loft conversion, alterations to openings, patio area with balustrading and addition of solar panels to existing and proposed roofs
16 Walden Road Welwyn Garden City AL8 7PF
Received 5 Jan 2023
Decided - Withdrawn6/2021/0714/FULL
Provision of 4 timber chalets on the site of 4 former storage buildings
Cuffley Camp Outdoor Centre Carbone Hill Northaw Potters Bar EN6 4PR
Received 4 Mar 2021
Decided6/2024/1669/TC
T1Elm - remove to ground level as dead T2 Larch - remove to ground level as has dangerous branches G5 Larch and Yew - remove to ground level as dying T6 Sycamore - moon-lift dead pine and remove sycamore as damaged due to dead pine causing the damage
Shaws Corner Bibbs Hall Lane Ayot St Lawrence AL6 9BX
Received 30 Aug 2024
Decided6/2021/2333/TC
T1 - Sycamore - Crown reduce by 30% T2 - Hawthorn - Crown reduce by 30%
34 Guessens Road Welwyn Garden City AL8 6RA
Received 6 Aug 2021
Decided - Granted6/2022/2763/HOUSE
Erection of a porch to front and a single storey side extension
33 The Paddocks Welwyn Garden City AL7 2BW
Received 6 Dec 2022
Decided - Refused6/2022/1565/HOUSE
Erection of part two storey, part first floor front extension, first floor side extension, part first floor, part two storey rear extension, raising the roof ridge with the creation of a crown roof, and two single storey front extensions to form a porch and a bay window.
12 Starling Lane Cuffley Potters Bar EN6 4JX
Received 4 Jul 2022
Decided - Granted6/2020/1677/EM
Erection of garden shed.
20 Beehive Green Welwyn Garden City AL7 4BG
Received 3 Jul 2020
Decided - Granted6/2024/0389/HOUSE
Erection of a single storey rear/side extension and front porch
14 Gorseway Hatfield AL10 9GS
Received 28 Feb 2024
Decided - Granted6/2019/2037/ADV
Installation of 1 x externally illuminated fascia sign, 1 x externally illuminated totem pole sign, 1 x externally illuminated freestanding sign, 2 x externally illuminated lettering signs and 1 x non illuminated awning sign
The Red Lion 11 Digswell Hill Welwyn AL6 9AJ
Received 14 Aug 2019
Decided - Refused6/2018/1401/COND
Submission of details pursuant to condition 4 (design and specification of refuse and bicycle storage) and 5 (car parking area) on planning permission 6/2017/1690/FULL, dated 27/09/2017
53 Roe Green Close Hatfield AL10 9PF
Received 24 May 2018
Decided - Granted6/2022/0304/HOUSE
Single storey rear extension with the formation of a first floor rear balcony, alterations to the existing porch and garage roofs, fenestration alterations and the rendering of the ground floor
61 Mymms Drive Brookmans Park Hatfield AL9 7AE
Received 9 Feb 2022
Decided - Granted6/2024/2056/HOUSE
Erection of pool house following demolition of existing pool house building
6 Hall Grove Welwyn Garden City AL7 4PN
Received 24 Oct 2024
Decided - Granted6/2025/2164/HOUSE
Erection of a single storey rear and side extension, loft conversion with front dormer and rear rooflight following demolition of detached garage
14 Skimpans Close Welham Green Hatfield AL9 7PB
Received 10 Oct 2025
Decided - Granted6/2018/1839/HOUSE
Expansion of driveway
70 Dalewood Welwyn Garden City AL7 2JW
Received 12 Jul 2018
Decided - Granted6/2024/0246/HOUSE
Erection of a single storey rear extension following the demolition of existing conservatory and changes to the ground floor rear and side fenestration
66 Brockswood Lane Welwyn Garden City AL8 7BQ
Received 6 Feb 2024
Decided - Granted6/2017/2462/COND
Submission of details pursuant to condition 2 (materials) on planning permission 6/2015/2132/RM
Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ
Received 23 Oct 2017
Decided - Granted6/2026/0873/TPO
TPO 984 T1 Oak - cut back overhang on north side of tree by 2M to allow sunlight in to neighbouring property
21 Kingsmead Cuffley Potters Bar EN6 4AN
Received 18 May 2026
Decided - Granted6/2019/2704/LB
Erection of a single storey side extension to provide new trade kitchen with the installation of two roof cowls and external alterations, air conditioning unit, expansion of patio, alterations to car park layout and alterations and remedial works to the barn.
The Rose and Crown 14 Church Street Welwyn AL6 9LX
Received 28 Oct 2019
Decided - Granted6/2018/1114/HOUSE
Erection of a single and two storey side and front extension new pitched roof to dormer and garage conversion
1A Wilkins Green Lane Hatfield AL10 9RT
Received 30 Apr 2018
Decided - Granted6/2026/0813/TPO
T34 Pinus sylvestris, fell and grind out T35 Acer negundo remove dead branches T59 Fraxinus excelsior, remove dead branches T66 & T67 Fraxinus excelsior, cut back by about 1.5-2m from branch tips and dead wood removal T68 Styphnolobium japonicum, remove dead branches T69 Styphnolobium japonicum, remove dead wood and crossing branches and selectively repollard larger branches that could tear out T71 Acer campestre, lift over street light to provide 0.5-1m vertical & horizontal clearance T103 Fraxinus excelsior, Lift if feasible to achieve aim and / or cut back by up to 1.5m from tips the two horizontal branches T118 Malus sylvestris, lift over the adjacent parking space to give 2.4m vertical clearance T120 Gleditsia japonica, selectively reduce the crown to provide 1.5m clearance from the house T122 Aesculus x carnea, reduce the crown by 1.5m to 2m T127a Betula pendula, cut back from the house to provide 1.5m clearance T134 Acer capadocium, Reduce the crown to its last reduction points, remove dead wood, or to just below if decay is present or by 2m from branch tips T135 Acer capadocium, Reduce the crown to its last reduction points, remove dead wood, or to just below if decay is present or by 2m from branch tips T136 Acer capadocium, Reduce the crown to its last reduction points, remove dead wood, or to just below if decay is present or by 2m from branch tips
Park Meadow Hatfield AL9 5HE
Received 11 May 2026
Decided - Refused6/2019/2218/FULL
Erection of a dwelling following demolition of existing dwelling and commercial building
Tanum Farm Hawkshead Road Little Heath Potters Bar EN6 1LX
Received 6 Sept 2019

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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