Postcode district
Planning applications in AL6
Page 3 of 16, newest first. Back to the AL6 overview.
Applications in AL6
Newest first · page 3 of 16
-
6/2026/0726/HOUSE Granted
9 Lanercost Close Welwyn AL6 0RW
Erection of a single-storey rear extension with lantern rooflight; erection of a timber pergola on raised patio; replacement of existing windows and doors with black aluminium windows and doors; replacement dormer roofs; erection of a single-storey glazed side extension; and alterations to fenestration following the demolition of garage and erection of new timber carport. Demolition of existing conservatory
-
6/2026/0730/COND Granted
24 Fulling Mill Lane Welwyn AL6 9NS
Submission of details pursuant to Condition 1 (Construction Management Plan), condition 2 (Samples of the materials), condition 3 (Hard and soft landscape), condition 4 (EV charging) and condition 6 (energy-efficient construction materials and processes) on planning permission 6/2025/1341/FULL
-
6/2026/0721/HOUSE Refused
4 The Chase Welwyn AL6 0QT
Reduction in height of the existing retaining boundary wall and alteration to and extending the garden boundary fencing.
-
6/2026/0714/COND Granted
9 Wendover Lodge Church Street Welwyn AL6 9LR
Submission of details pursuant to Condition 4 (Archaeological post investigation assessment) and 11 (Energy assessment) on planning permission 6/2024/2088/FULL
-
26/01052/TPO Granted
55 Codicote Road Codicote Welwyn Hertfordshire AL6 9TY
T10: Ash - Remove. T11: Horse Chestnut - Remove
-
6/2026/0697/TPO Granted
The Coach House 60 Mill Lane Welwyn AL6 9ES
TPO76 T1 - 1 x Horse chestnut (side of house) to reduce branches back from house by approximately 2.5m - tree side of house - to reduce branches back from house by 2.5m from branch tips as they are now over sailing property, dropping conkers onto tiles and into gutters along with the accumulation of leaf litter. T2 - 1 x Horse chestnut to re pollard approximately 3 limbs back to previously pruned points further down garden - Reduce 3 limbs by around 3m providing a suitable clearance from the property and patio. To reduce the affect of conkers, leaf debris and bird poo.
-
6/2026/0689/LAWP Refused
41 Hawbush Rise Welwyn AL6 9PR
Certificate of lawfulness for the remodelling of existing conservatory including raising the existing conservatory walls
-
6/2026/0674/HOUSE Granted
4 Marlborough Close Welwyn AL6 0UG
Erection of single storey rear infill extension
-
6/2026/0658/HOUSE Refused
38 Butterwick Way Welwyn AL6 9GH
Proposed loft conversion with three side facing dormer windows, one further dormer for the stairs and three side facing roof slope skylights
-
X/26/0156/CND Granted
111 Burnham Green Road Burnham Green Hertfordshire AL6 0NH
Discharge of Condition 4 (Landscape Details) attached to 3/23/1108/FUL
-
3/26/0495/VAR Refused
48 Burnham Green Road Burnham Green Hertfordshire AL6 0NJ
Removal of Condition 3 (PD Classes A and E) pursuant to planning permission (ref: 3/21/2024/HH/Dated 11/02/2022) for (Ground floor front and side extensions and demolition of existing front porch)
-
6/2026/0634/TPO Granted
10 Parkside Welwyn AL6 9DQ
T1 Atlas Cedar to crown lift smaller diameter branches of no more than 3cm diameter to clear 2.5-3m from ground level and to prune branches touching the garage block to achieve a 0.5m clearance.
-
6/2026/0611/TPO Granted
17 Oaklands Rise Welwyn AL6 0RN
Oak tree TPO 661 - T1 Remove deadwood
-
6/2026/0581/EMT Granted
3 Old Forge Close Welwyn AL6 0SR
1 x Apple to reduce growth back to previous pruning points, approximately 1.2m in both height and width. To maintain size and current pruning maintenance cycle 2 x Norway maple to reduce growth back to previous pruning points, approximately 2m in both height and width. To maintain size and current pruning maintenance cycle
-
3/26/0456/LBC Granted
30 Lower Green Tewin Hertfordshire AL6 0LA
Replacement roof lantern
-
6/2026/0560/HOUSE Granted
3 Heathlands Welwyn AL6 0UU
Erection of rear and side single-storey extension with conversion of garage to habitable accommodation
-
6/2026/0547/VAR Granted
4 Bracken Lane Welwyn AL6 0RB
Variation of condition 4 (drawing numbers) on planning permission 6/2024/0991/HOUSE
-
6/2026/0544/TPO Granted
4 Birch Grove Welwyn AL6 0QP
TPO 623 T1-Silver Birch-Fell to stump level as it has decay at the base and looks to be in decline. It has dead wood within the crown and is leaning towards the road.
-
6/2026/0539/EMT Granted
Quartermans Cottage Digswell Lane Welwyn AL6 0SP
50ft Ash tree to reduce the crown by 30%
-
6/2026/0543/HOUSE Granted
59 Wilga Road Welwyn AL6 9PT
Single storey rear extension and side extension, following demolition of existing porch
-
6/2026/0504/TPO Granted
44 Carleton Rise Welwyn AL6 9RG
Oak tree to reduce to 12ft (3.6m) monolith/standing stem. Covered by TPO1 (1973) T2
-
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
-
6/2026/0472/TC Granted
Lower Meadow Hill Farm Lane Ayot St Lawrence AL6 9BW
Replace damaged Cherry Tree with a new Cherry Tree
-
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.
-
6/2026/0471/TPO Granted
6 Juniper Gardens Welwyn AL6 0XH
Repollard 1x lime tree back to previous pollard points. TPO 711 (2017) T9
-
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
-
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
-
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
-
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
-
6/2026/0443/PN29 Decided
17-17a Mill Lane Welwyn AL6 9EU
Change of use of offices to 3 x 2 bedroom flats
-
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
-
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.
-
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)
-
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
-
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
-
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
-
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
-
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
-
6/2026/0390/PIP Granted
Land to the North-West Harmer Green Lane, Digswell, Welwyn
Erection of one detached dwelling
-
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
-
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
-
6/2026/0375/HOUSE Granted
32 Wilga Road Welwyn AL6 9PS
Erection of two storey rear extension and single storey front extension
-
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
-
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
-
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
-
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
-
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.
-
6/2026/0291/HOUSE Granted
52 Warren Way Digswell Welwyn AL6 0DN
Erection of single storey front extension
-
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
-
26/00415/PIP Awaiting decision
Waterdells Pottersheath Road Welwyn Hertfordshire AL6 9TA
Erection of one detached dwelling