Postcode district
Planning applications in AL6
Page 3 of 13, newest first. Back to the AL6 overview.
Applications in AL6
Newest first · page 3 of 13
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6/2026/0494/TPO Granted
51 New Road Digswell Welwyn AL6 0AQ
T1 - Pine to reduce in height by 6-7m from branch tips, reduce north facing laterals (towards house) by up to 2m from branch tips and up to 1m on remaining laterals. T2- Scots Pine to crown reduce height by 2m from branch tips and laterals by up to 1m. Remove deadwood T4- Sycamore dismantle to 5ft stump TPO260 W1
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6/2026/0472/TC Granted
Lower Meadow Hill Farm Lane Ayot St Lawrence AL6 9BW
Replace damaged Cherry Tree with a new Cherry Tree
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6/2026/0487/TC Granted
Parkside House 58 Mill Lane Welwyn AL6 9ES
Front: A: Row of Yews to reduce by approximately 2m in height. Rear: B: 1 x Yew to trim sides back hard away from garden C: 1 x Sycamore to reduce back to most recent pruning points (approximately 3m in height and 2m in width) D: 1 x Cherry plum to reduce by approximately 1.5m in height and width to ensure it is no longer overhanging building.
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6/2026/0471/TPO Granted
6 Juniper Gardens Welwyn AL6 0XH
Repollard 1x lime tree back to previous pollard points. TPO 711 (2017) T9
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6/2026/0453/HOUSE Granted
56 Warren Way Digswell Welwyn AL6 0DN
Erection of a single storey rear extension following the demolition of existing conservatory
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6/2026/0447/TPO Granted
7A Wendover Drive Welwyn AL6 9LT
T1 x Scots pine to reduce upper northerly limb by 1.2m, lower easterly limb by 2.5m and 2 x westerly limbs by 1.5m. Reducing selected over extended limbs to provide some balance to the tree & reduce wind loading
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6/2026/0446/TPO Granted
7 Wendover Drive Welwyn AL6 9LT
T2 - 1 x Scots pine to reduce upper easterly limbs by 1.5m, low easterly limb by 2.5m. upper southerly limb by 1.5m. Reduce selected limbs, lower limb its over extended & close to property. Reduce upper limbs to create a more compact canopy reducing wind loading T1 - 1 x Scots pine to reduce upper north limb by 1.2m and upper east limb by 1.2m. Reducing selected limbs, over extended limbs in upper canopy
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26/00653/LDCE Refused
Robin Hood And Little John Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UB
Confirmation of material start on site of planning permission 24/01009/FP & Listed Building Consent 24/01010/LBC granted on 17.07.2024 for Infill courtyard extension and conservatory to west elevation. Alterations to fenestration
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6/2026/0443/PN29 Decided
17-17a Mill Lane Welwyn AL6 9EU
Change of use of offices to 3 x 2 bedroom flats
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6/2026/0438/LB Granted
Hornbeam House Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG
Installation of ground floor timber casement window in connection with conversion of existing ground floor boiler room into a WC and utility room
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6/2026/0439/HOUSE Granted
Hornbeam House Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG
Installation of ground floor timber casement window in connection with conversion of existing ground floor boiler room into a WC and utility room.
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6/2026/0434/TPO Granted
Hornbeams 2A Firway Welwyn AL6 0RD
T1 - 45ft Sweet Chestnut tree – to reduce the crown by 30% - crown reduction is proposed to reduce height and wind loading, maintain appropriate clearance from the building, and improve light while retaining the trees’ amenity value T2 & T3 - 2x Hornbeam trees to reduce the crown by 30% - crown reduction is proposed to reduce height and wind loading, maintain appropriate clearance from the building, and improve light while retaining the trees’ amenity value TPO 796 (2018)
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3/26/0323/HH Refused
21 Firs Walk Tewin Wood Tewin Hertfordshire AL6 0NY
Retrospective application for the retention of front boundary treatment and proposed installation of sliding gates
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6/2026/0420/FULL Awaiting decision
Land at Spinney Lane Rabley Heath Welwyn AL6 0QS
Cessation of existing commercial use and erection of 5 dwellings
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3/26/0321/HH Granted
12 East Riding Tewin Wood Tewin Hertfordshire AL6 0PA
Demolition of existing conservatory and removal of existing roof, erection of rear extension, loft conversion with dormer windows, roof lights, raised roof and parapets and alterations to fenestration
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6/2026/0410/PN8 Granted
63 Wilga Road Welwyn AL6 9PT
Prior approval for the erection of a flat roof single storey rear extension measuring 4.8m in depth, 3m in height and 2.50m to the eaves
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6/2026/0404/HOUSE Granted
116 Harmer Green Lane Digswell Welwyn AL6 0ET
Replacement roof of existing garage/outbuilding, incorporating skylights along with other internal and external alterations following partial demolition of outbuilding
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6/2026/0390/PIP Granted
Land to the North-West Harmer Green Lane, Digswell, Welwyn
Erection of one detached dwelling
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6/2026/0388/LAWP Granted
Clematis Cottage Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD
Certificate of lawfulness for construction of an incidental outbuilding
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3/26/0289/HH Granted
51 Bishops Road Tewin Wood Tewin Hertfordshire AL6 0NP
Proposed first floor side extension, two storey rear extension, insertion of rooflight, alterations to fenestration, bay window alteration
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6/2026/0375/HOUSE Granted
32 Wilga Road Welwyn AL6 9PS
Erection of two storey rear extension and single storey front extension
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6/2026/0373/FULL Granted
Kingsdale House Windsor Road Welwyn AL6 9LA
Installation of new external wall insulation, new flat roofing and new windows and doors
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6/2026/0350/LAWE Refused
11 New Road Digswell Welwyn AL6 0AE
Certificate of lawfulness for the retention of an outbuilding in the rear garden
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6/2026/0351/HOUSE Granted
16 Marlborough Close Welwyn AL6 0UG
Erection of single storey porch extension, garage conversion, first floor front extension with replacement dormer roof, enlarged first floor rear dormers, reroofing whole roof with a slate coloured plain tile and rendering of front elevation
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6/2026/0346/HOUSE Granted
7 Welwyn Hall Gardens Welwyn AL6 9LF
Erection of a detached outbuilding in the rear garden following the demolition of the existing outbuilding
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26/00115/FP Awaiting decision
Land Adjacent 21 Danesbury Park Road Pottersheath Hertfordshire AL6 9SH
Erection of two detached dwellings with detached garages including parking and hard and soft landscaping.
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6/2026/0291/HOUSE Granted
52 Warren Way Digswell Welwyn AL6 0DN
Erection of single storey front extension
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6/2026/0279/HOUSE Granted
12 St Johns Close Welwyn AL6 9RB
Single storey rear extension, alterations to fenestration, solar panels to rear roof slope, two air source heat pumps and extension to existing rear terrace following demolition of the existing terrace
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26/00415/PIP Awaiting decision
Waterdells Pottersheath Road Welwyn Hertfordshire AL6 9TA
Erection of one detached dwelling
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6/2026/0262/COND Granted
23-25 Mill Lane Welwyn AL6 9EU
Submission of details pursuant to condition number 5 (Material details) and 6 (Hard and soft landscaping) on planning permission 6/2025/1212/HOUSE
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6/2026/0263/COND Granted
23-25 Mill Lane Welwyn AL6 9EU
Submission of details pursuant to condition number 2 (Material details) on planning permission 6/2025/1211/LB
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6/2026/0238/HOUSE Granted
10 Lancaster Way Welwyn AL6 9LD
Erection of a single storey rear and two-storey side extension and the formation of a vehicular access to the highway
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26/00104/FP Awaiting decision
Lagonda Stud Pottersheath Road Pottersheath Hertfordshire AL6 9SU
Erection of one detached dwelling with detached double garage and air source heat pump following demolition of existing stables and outbuildings including landscaping, amenity space, layout of access and parking. Erection of detached double garage to serve existing dwelling (received 12th and 18th of May 2026).
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6/2026/0142/HOUSE Granted
5 Broom Hill Welwyn AL6 0SF
Erection of a porch, front extension, first floor side/rear infill extension, replacement of front dormer windows and alterations to openings
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3/26/0105/HH Refused
23 Bishops Road Tewin Wood Tewin Hertfordshire AL6 0NP
Part two storey, part single storey rear extension
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6/2026/0076/FULL Refused
23-25 Station Road and 1-9 Woodside Road Digswell AL6 0DU
Erection of three dwellings with associated landscaping and car parking
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6/2026/0025/VAR Granted
The North Star 82 Great North Road Welwyn AL6 0TA
Variation of condition 15 (amendments to the approved scheme) on planning permission 6/2025/0781/FULL
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6/2026/0016/COND Granted
The North Star Nursery 82 Great North Road Oaklands AL6 0TA
Submission of details pursuant to condition 1 (Biodiversity Gain Plan), condition 2 (Habitat Management Monitoring Plan), condition 3 (Landscaping) and condition 4 (Material samples of proposed fenestration) on planning permission 6/2025/0781/FULL
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6/2025/2624/FULL Granted
19 The Avenue Welwyn AL6 0PW
Erection of new dwelling with front landscaping following the demolition of existing dwelling
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25/03249/DOC Awaiting decision
Ridge Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Details reserved by Condition 15 (Access Road Layout and Vehicle Swept Path plans) of planning permission 22/01636/FP granted 1.2.2023
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6/2025/2532/FULL Withdrawn
Wendover Lodge Church Street Welwyn AL6 9LR
Erection of detached building to provide 8no 2-bed units for over 55's
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25/02932/DOC Awaiting decision
Land Adjacent To Ashley Lodge Rabley Heath Road Codicote Hertfordshire AL6 9UB
Details reserved by BNG Condition of planning permission reference 24/01120/FP granted 15.05.2025.
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6/2025/2446/FULL Awaiting decision
59 New Road Digswell Welwyn AL6 0AL
Installation of new entrance security gates and piers
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6/2025/2248/FULL Refused
37 Mardley Avenue Welwyn AL6 0TU
Erection of a single chalet dwelling
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3/25/1591/HH Granted
The Gables 22 Firs Walk Tewin Wood Tewin Hertfordshire AL6 0NZ
Demolition of garage and raised deck, erection of single storey rear and side extensions with rear canopy, two storey front extension, roof alterations to facilitate loft conversion with two front and one rear dormer windows, rooflight windows, and two chimneys, extension of rear patio, and alterations to fenestration
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6/2025/1781/OUTLINE Awaiting decision
15 & 15a Codicote Road Welwyn AL6 9NE
Outline permission for demolition of existing site buildings and erection of up to 37 dwellings with all matters reserved
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6/2025/1722/HOUSE Granted
2 Lanercost Close Welwyn AL6 0RW
Erection of a single storey side extensions x 2, first floor rear extension, roof alterations including addition of dormers to side and rear elevations, insertion of roof lights, Juliet balcony onto terrace and alterations to openings and boundary wall
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6/2025/1593/MAJ Awaiting decision
4 Barneswood Digswell Welwyn AL6 0EU
Erection of a two storey dwelling, an annexe and a detached garage together with associated landscaping and ancillary works following demolition of the existing dwelling, annexe, stable block and detached garage.
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6/2025/1257/LB Withdrawn
Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY
Erection of single storey extension following removal of garage and outbuilding
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6/2025/1043/HOUSE Withdrawn
Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY
Erection of single story extension following removal of garage and outbuilding