Planning applications in AL6

55 Codicote Road Codicote Welwyn Hertfordshire AL6 9TY

Details Reserved by Condition 11: (Ecological Enhancement Plan) of planning permission 25/00974/FP granted 14.8.2025

55 Codicote Road Codicote Welwyn Hertfordshire AL6 9TY

Details Reserved by Condition 13 (Landscaping Scheme) of planning permission 25/00974/FP granted 14.8.2025

55 Codicote Road Codicote Welwyn Hertfordshire AL6 9TY

Details Reserved by Condition 4: (Construction of Access) of planning permission 25/00974/FP granted 14.8.2025

55 Codicote Road Codicote Welwyn Hertfordshire AL6 9TY

Details Reserved by Condition 8: (Construction Method Statement) of planning permission 25/00974/FP granted 14.8.2025

55 Codicote Road Codicote Welwyn Hertfordshire AL6 9TY

Details Reserved by Condition 10: (External Materials) of planning permission 25/00974/FP granted 14.8.2025

Welwyn Equestrian Centre Pottersheath Road Pottersheath Hitchin Hertfordshire AL6 9SZ

Part demolition and alterations to existing barn and stables, including alterations to fenestration, replacement roofs, and insertion of front roof lights to facilitate conversion to form a single dwelling with associated residential garden and parking area.

18 Great North Road Welwyn AL6 0PS

Erection of front porch and car port

The North Star 82 Great North Road Welwyn AL6 0TA

Submission of details pursuant of conditions 5 (noise), 6 (EV charging points), 7 (cycle storage), 10 (travel plan statement on planning permission 6/2026/0025/VAR

12 East Riding Tewin Wood Tewin Hertfordshire AL6 0PA

Non-material amendment to 3/26/0321/HH, removal of roof parapets

56 Orchard Road Tewin Hertfordshire AL6 0HN

Demolition of existing garage, removal of the chimney, construction of two storey side and rear extension with Juliette balcony at the rear, front porch, car port, render finish to existing dwelling and alterations to fenestration

42 New Road Digswell Welwyn AL6 0AH

T17 Pine and T74 Scots Pine are both dead and now dangerous (due to leaning). Covered by TPO 817 (2018)

3 Wendover Drive Welwyn AL6 9LT

T1 - 1 x Beech tree - crown reduce by approx 2-3m - Remove any major deadwood throughout crown

16 Mardley Avenue Welwyn AL6 0UD

Proposed loft conversion, enlargement of the existing roof with increase in ridge height to form a truncated hipped roof, installation of two front dormers, a rear dormer with a rear balcony, and associated rooflights

7 Churchfield Road Tewin Hertfordshire AL6 0JW

Construction of orangery

38 New Road Digswell Welwyn AL6 0AH

Submission of details pursuant to Condition 1 (Construction Traffic Management Plan) on planning permission 6/2023/2483/FULL

32 Turpins Chase Welwyn AL6 0RR

Erection of a single storey side extension and a new garage on ground floor level, conversion of the existing garage and installation of an air source heat pump

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)

6A Wendover Drive Welwyn AL6 9LT

T1 1 x Beech to remove in sections to ground level - Tree is almost dead and in poor condition T2 1 x Beech to reduce to clear property by 1.5m - Branches rubbing on property

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

10 Mardley Heights Welwyn AL6 0TX

4 x English Oak (Quercus robur), identified as T1, T2, T3 and T4 on the accompanying sketch plan, protected under TPO 641 (2017). Proposed works: Crown reduction of up to 20%; crown thinning of up to 20%; crown lift to approximately 3–4m; removal of epicormic trunkal growth; selective pruning to provide approximately 2m clearance from the dwelling and approximately 1m clearance from overhead lines. Reason for works: Continued periodic arboricultural management of this established group of Oaks, maintaining appropriate clearance from the dwelling and overhead services whilst retaining a balanced, natural canopy and the amenity value of the trees.

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

Lodge Farm 124 Harmer Green Lane Digswell Welwyn AL6 0ET

Erection of four 4-bedroom detached dwellings with associated landscaping and parking, following the demolition of the existing stable building

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 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