Planning applications in AL6

Former Big Cat Sanctuary Codicote Road Welwyn Hertfordshire AL6 9TU

Erection of 109 residential dwellings with access, parking, hard and soft landscaping and public open space following demolition of all existing buildings and structures

8 The Stables Pottersheath Welwyn Hertfordshire AL6 9GR

Widen first floor (obscured) window on the SW elevation (as Non-Material Amendment to planning permission 26/00036/FPH granted 27/02/2026)

Glebe House Ellesfield Welwyn AL6 9HB

TPO 1016 1 x White Poplar to reduce upper canopy by approximately 10m height - Reduce upper canopy due to large volume of regrowth from historical reduction. Cavities and decay at old pruning wounds. Tree is close to neighbouring properties with a recent limb failure. 1 x White willow leaning over river to reduce by approximately 50% -tree is leaning heavily over river, reduction will prevent risk of failing. 1 x Goat willow to reduce by approximately 4m height and 3m width - tree is in decline, reduction is to stabilise upper canopy and allow retention of tree.

3 Holly Hall Court Church Street Welwyn AL6 9LH

Replacement like-for-like front door and one window

36 Warren Way Digswell Welwyn AL6 0DN

Erection of two storey side extension, part single/two storey rear extension, insertion of two front dormer windows and front porch following the demolition of existing single storey rear extension and detached garage

8 The Limberlost Welwyn AL6 9TS

Erection of single storey side extension and front porch canopy

22 The Avenue Welwyn AL6 0PP

Erection of one two-storey five bedroom detached dwelling and eight two bedroom flats laid out within two two storey blocks of four and associated infrastructure and landscape works following the demolition of the existing dwelling and separate detached building

8 Robbery Bottom Lane Welwyn AL6 0UW

Erection of two 2-bed chalet bungalows (Use Class C3) following the subdivision of existing residential plot

1 Oaklands View Welwyn AL6 0RJ

TPO 203 & 879 - T1- Sweet chestnut tree to reduce all round by 2-3 metres for maintenance and light T2- Blue Atlantic Cedar tree- to cut back by 2-3 metres from the neighbours house and balance the crown for maintenance and light T3-Blue Atlantic Cedar tree to reduce all round by 2 metres for maintenance and light

8 Bluebells Welwyn AL6 0XD

TPO 639 (2017) - Trim two Hornbeam Trees by 25 to 30%

43 Harmer Green Lane Digswell Welwyn AL6 0AP

TPO 658 - Fell dead pine tree and dying Silver birch tree

Seven Pines Margery Lane Tewin Hertfordshire AL6 0JP

Demolition of bungalow and construction of two dwellings with air source heat pump, EV charging point, cycle and bin store

10 Bluebells Welwyn AL6 0XD

T1 & T2 Hornbeam reduce back to previous pruning points 25% or approximately 2.5m (TPO 639 2017)

38 Butterwick Way Welwyn AL6 9GH

Loft conversion with side facing dormer and 4 roof lights

18 Briary Wood Lane Welwyn AL6 0TF

Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers

17-17A Mill Lane Welwyn AL6 9EU

Certificate of lawfulness for the change of use of offices to 3 x 2 bedroom flats

Welwyn Pump Station School Lane Welwyn AL6 9PL

Erection of nine dwellings following demolition of existing garages and office building with associated access, internal roads, parking, landscaping, drainage and ancillary works

Former Big Cat Sanctuary Codicote Road Codicote AL6 9TU

Erection of 109 residential units with access, parking, hard and soft landscaping, public open space and associated works following the demolition of all existing buildings and structures on site

7 Elmoor Close Welwyn AL6 9PF

Erection of single storey rear extension with undercroft storage and associated landscaping/land level alterations, alterations to fenestration and part conversion of garage to habitable room

Briar Cottage Pottersheath Road Pottersheath Welwyn Hertfordshire AL6 9SU

Two-storey side/rear extension and insertion of first floor side window following demolition of existing shed and oil tank.

West Manor House Ellesfield Welwyn AL6 9HB

G1 Group of Yew to lift to 5.5m over roadway, reduce lateral branches over road by 2m. G2 3 x Yew (raised bed - driveway) Prune lateral branches growing towards property by up to 1.5m. T1 1 x Mulberry to reduce by approximately 1m height and width, extending up to 1.2m on the leeward side of the tree.

20 Mardley Avenue Welwyn AL6 0UD

Up to a 2m reduction to Cherry tree, to maintain its healthy station and prevent over extension, from growing too large. Fell, process and remove Yew tree as resident has concerns that if it was to uproot or fail it would hit the house due to its location (covered by TPO 24 A3)

West Manor Ellesfield Welwyn AL6 9HB

T2 Horse Chestnut to reduce height to leave approximately 10m above ground level. This is due to a large decayed area in lower trunk. (covered by TPO 1016 (2022) W1)

19 Firs Walk Tewin Wood Tewin Hertfordshire AL6 0NY

Variation of Conditions 2 (approved plans), 4 (Landscape and Ecological Management Plan), 5 (Sustainability of Construction) and 10 (Landscape design proposals) pursuant to planning permission (ref: 3/22/0312/FUL) for (Demolition and replacement of dwelling with associated parking and landscaping): Alterations from approved plans - alterations to Ecology Plan relating to bee bricks, inclusion of a chimney, alterations to landscaping (retrospective).

1 The Limberlost Welwyn AL6 9TS

Certificate of existing lawfulness for a single storey rear extension

23 Bishops Road Tewin Wood Tewin Hertfordshire AL6 0NP

Certificate of lawfulness for proposed erection of front porch

12 Desborough Drive Tewin Wood Tewin Hertfordshire AL6 0HJ

Non-material amendment to 3/25/1431/HH, changes to fenestration

33 Oaklands Rise Welwyn AL6 0RN

Removal of dead hornbeam tree. (covered by TPO 673 (2017))

2 Bracken Lane Welwyn AL6 0RB

Remove 1 x Oak. (covered by TPO 753 (2018))

12 Mardley Hill Welwyn AL6 0TN

TPO 24 T3 - 1 x Beech tree to reduce overhanging lateral branches by approximately 2m. Reduce lateral overhang to no 16 as tree is too close to boundary and excessive overhang is leaving bird poo on kids play equipment

9 Mardley Hill Welwyn AL6 0UE

Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

98 Harmer Green Lane Digswell Welwyn AL6 0ES

Formation of front boundary gate with brick piers and erection of rear extension, rear orangery, side porch canopy, replacement front porch, alterations to the fenestration including replacement windows, infilling the garage door, replacement roof tiles, replacement pool in new location, bore hole, Installation of rooflights, swimming pond, formation of glass balustrade at the rear, flint cladding/masonary treatment, garden outbuildings including a workshop, gym, shepherds hut, sauna and greenhouse, ev charger and heat source pump

21 Danesbury Park Road Welwyn Hertfordshire AL6 9SH

Two storey rear extension following removal of existing single storey rear elements

18 Great North Road Welwyn AL6 0PS

T1 - Sweet Chestnut tree - Fell one dead sweet Chestnut tree to ground level

3 Lower Green Tewin Hertfordshire AL6 0JS

Variation of Condition 2 (approved plans) pursuant to planning permission (ref: 3/24/0015/HH/Dated18/03/2024) for (Loft conversion with roof light to rear and erection of single storey rear extension). The amendments include the addition of one more rooflight

45 New Road Digswell Welwyn AL6 0AQ

Garage conversion to habitable area, front extension within existing garage roof overhang, installation of rooflights and alterations to fenestration

16 Mardley Hill Welwyn AL6 0TN

T1 - 1 x Oak to reduce by approximately 2m height and width, ensuring to cut back clearing the house sufficiently. Oak reducing due to canopy in close proximity to property and roof. (Covered by TPO 24 A3)

10 Windsor Close Welwyn AL6 9JZ

Erection of a single storey front extension with alterations to fenestration following the demolition of existing front porch

35 Burnham Green Road Burnham Green Hertfordshire AL6 0NL

Installation of swimming pool with raised patio extension

31 Parkside Welwyn AL6 9DQ

T1 Goat Willow Pollard back to previous trimming points which is approx 3-4m off T2 Cedar Crown reduction by 2-3m approx back to previous pruning points

89 Warren Way Digswell Welwyn AL6 0DL

Erection of single storey side/rear extension, new front porch/level access, new garage, new side window, widening of driveway and accessible ramp down to rear garden

The North Star 82 Great North Road Welwyn AL6 0TA

Use of an existing flat roof as a first-floor teaching terrace and installation of an external fire escape staircase

The Coach House Ellesfield Welwyn AL6 9HB

Reduce 1 x Horse chestnut by 2m. Cut back 1 x Sycamore to 1m beyond boundary line.

16 The Green Welwyn AL6 9EA

Fell 1 x weeping willow.

Caverswall Queen Hoo Lane Tewin Hertfordshire AL6 0LT

Demolition of single storey rear extension with roof terrace, erection of single storey rear extension with roof terrace and glass balustrades, new ground and first floor front windows with glass balustrade added to existing flat roof

41 High Street Welwyn AL6 9EF

Birch tree in corner of boundary next to residential homes, reduction in size by 30% to the overall size of the tree

6 Hobbs Hill Welwyn AL6 9DS

Fell birch.

25 Bluebells Welwyn AL6 0XD

Certificate of Lawfulness for the erection of a first floor external balcony to the rear of the house

Sandyhurst 1 Welwyn By Pass Road Welwyn AL6 9HT

Erection of a 66 bedroom care home for the elderly (Use Class C2) with associated access, parking, landscaping and ancillary buildings following demolition of existing dwelling and associated outbuildings

44 Orchard Road Tewin Hertfordshire AL6 0HN

Demolition of existing house and erection of detached two-storey dwelling with solar panels, air-source heat pump, new driveway, cycle store and bin store