Planning applications in Welwyn Hatfield, May 2026

14 Birch Drive Hatfield AL10 8NX

Erection of part single and part two storey rear extension, two storey side extension and a single storey front porch following demolition of the existing garage

16 Pitsfield Welwyn Garden City AL8 7SJ

1 x Cherry to remove to ground level. Removing due to ongoing decline and low vigour. The tree has minimal foliage which has declined over recent years

Osborne House Farm Hawkshead Road Little Heath Potters Bar EN6 1LX

Submission of details pursuant to Condition 2 (Transport Management Plan) on planning permission 6/2021/3304/MAJ

37 The Ridgeway Cuffley Potters Bar EN6 4BB

Erection of single-storey rear extension, two-storey rear extensions and front porch, first-floor rear balcony, replacement rear patio, alterations to openings, installation of new windows and rendering of all external walls

307 Knightsfield Welwyn Garden City AL8 7NJ

Erection of single storey rear extension with roof lanterns, covered verandah area, installation of roof lantern to existing side roof and replacement window to rear

180 Heronswood Road Welwyn Garden City AL7 3EU

Install inline rooftop solar panels front and back (14 rear, 10 front), with back garden installations of backup battery and air source heat pump unit

57 Briars Lane Hatfield AL10 8EX

Certificate of lawfulness for the retention of outbuilding/ carport in front garden and outbuilding in rear garden

Park Meadow Hatfield AL9 5HE

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

35 Elmwood Welwyn Garden City AL8 6LD

Yew tree (T4) rear garden; south boundary; rooted in neighbour's property (no 37) overhanging boundary. Reduce north side (overhanging garden) to reduce lateral spread by approx 1.5m

University Of Hertfordshire College Lane Hatfield AL10 9AB

Submission of details pursuant to Condition 1 (Biodiversity Gain Plan), 2 (HMMP) and 9 (Landscaping) on planning permission 6/2025/1974/MAJ

17 Claves Crescent Welwyn Garden City AL7 1WN

Erection of single storey rear extension & alterations to openings

35 Elmwood Welwyn Garden City AL8 6LD

T1 Yew – rear garden; south boundary; rooted in neighbours’ property (no.37); overhanging boundary. Reduce north side (overhanging garden) to reduce lateral spread by approx. 1.5m

111 Warren Way Digswell Welwyn AL6 0DL

Erection of part single storey, part two storey rear extension with rooflight to ground floor roof, enlarged patio area and ground floor and first floor openings to existing side elevation

33 Bradmore Way Brookmans Park AL9 7QY

Extensions to the existing roof to form a crown roof, with rear dormer, insertion of rooflights and single storey side and rear extension

32 Fordwich Road Welwyn Garden City AL8 6EY

Like for like replacement downstairs windows white PVC Georgian style sash windows. Replacement upstairs windows with white PVC Georgian style sash windows in keeping with other properties in the close neighbourhood.

87 Lords Wood Welwyn Garden City AL7 2HG

Erection of single storey rear/side extension & garage conversion

78 Valley Road Welwyn Garden City AL8 7DP

Erection of a part single-storey rear extension, part first-floor rear extension, and associated alterations to the existing dwelling in order to improve the internal arrangement and increase the amount of accommodation available for modern family occupation

16 The Wade Welwyn Garden City AL7 4LG

Proposed single storey rear extension and garden room following demolition of conservatory

114 Tolmers Road Cuffley Potters Bar EN6 4JR

Erection of a single storey rear extension, first floor front extension and a double storey front extension with portico porch and raising the roof to accommodate a roof conversion consisting of 3 no. roof-lights to the front elevation and two dormers to the rear elevation

6 Marsden Road Welwyn Garden City AL8 6XZ

Erection of part single, part two storey side extension

18 Stanborough Road Welwyn Garden City AL8 6XD

T1 & T2: Cherry (Prunus sp.), dead. Fell and replant

Ponsbourne Manor Hunters Lodge 7 The Ridings Newgate Street Village Hertford SG13 8QX

Certificate of lawfulness for the use of the land for siting a mobile home for use ancillary to the main dwelling

48 Birchall Wood Welwyn Garden City AL7 2HL

Norway maple trees to cut back all overhanging branches. TPO 627 (2017)

36A Reynards Road Welwyn AL6 9TP

Submission of details pursuant to condition 1 (Construction Management Plan), condition 2 (Surface Water Drainage) and condition 3 (Material Samples), condition 4 (Crown Roof), condition 5 (Landscaping Scheme) and condition 6 (EV Charging Point), condition 7 (Energy Efficiency), and condition 11 (Approved Plans) on planning permission 6/2025/0220/FULL

31 Stoneycroft Welwyn Garden City AL7 1QU

T1 Leylandii conifer to fell

26 Station Road Welham Green Hatfield AL9 7PG

Submission of details pursuant to condition number 13 (Refuse Strategy) on planning permission 6/2024/2418/MAJ

41 Rowans Welwyn Garden City AL7 1NZ

Erection of rear extension plus retrospective permission for a shed

5 Pine Crest Welwyn AL6 0EQ

T1 Oak: 30% reduction to suitable lateral growth points. T2 & T3 Sweet chestnuts: 30% reduction to suitable lateral growth points. (Covered by TPO655)

111 Wellcroft Road Welwyn Garden City AL7 3JX

Part two storey and part single storey rear extensions, alterations to openings and erection of detached garden room

40 Reynards Road Welwyn AL6 9TP

Demolition of an existing derelict outbuilding and its replacement with single-storey accommodation ancillary to the main dwelling

University Of Hertfordshire College Lane Hatfield AL10 9AB

Submission of details pursuant to Condition 3 (Construction Method Statement), condition 4 (Surface Water Drainage) on planning permission 6/2025/1974/MAJ

7 Mannicotts Welwyn Garden City AL8 7BW

General Tree Maintenance and Management. T1 - Beech (Fagus Sycavatica) : Crown Reduction of 1.5metres. T2 - Silver Birch (Betula pendula) : Crown Reduction of up to 1.5metres back to previous cuts. T3 - Magnolia : Crown Reduction up up to 1.5metres in some places just 1metre. Back to near previous. T4 - Honey Locust : Crown lift the honey locust to 3m and to crown reduce the tree by approx. 1.5m back to previous reduction points.

Premier Inn Lemsford Road Hatfield AL10 0DA

Installation of one internally illuminated fascia sign

8 Dawley Welwyn Garden City AL7 1DZ

Erection of single storey side extension

Land at suttons Farm Woodcock Hill Coopers Green St Albans

Change of use of agricultural land to a private, secure dog walking paddock, erection of fencing, provision of an open-sided field shelter and associated ancillary features

45 Dawley Welwyn Garden City AL7 1EA

Proposed extension of the existing residential accommodation to provide an accessible WC and shower room. Materials, including white upvc windows, facing brickwork and a flat felt roof covering with UPVC bargeboards have been selected to match the existing dwelling and existing council stock, ensuring the extension integrates sympathetically with the host property and the surrounding area. Level access will be provided internally to the complete ground floor and with stepped access to the front entrance door

25 Kingswell Ride Cuffley Potters Bar EN6 4LH

Submission of details pursuant to condition number 1 (crown roof) on planning permission 6/2025/0250/HOUSE

1 Claves Crescent Welwyn Garden City AL7 1WN

Certificate of lawfulness for a single-storey rear extension and garage conversion

9 Kerdistone Close Little Heath Potters Bar EN6 1LG

Garage conversion and erection of front porch

55 High Dells Hatfield AL10 9JD

Certificate of lawfulness for the existing hardstanding for two cars to the front of the property

71 Longcroft Lane Welwyn Garden City AL8 6EL

Maple to crown reduce by 30% or 1.5m off radius.

8 Oak Piece Welwyn AL6 0XE

Sweet Chestnut tree: under TPO 534, marked as T2 Remove Tree as it's technically dead (assessed by Ashley Grey of Ashley Trees)

11 Carleton Rise Welwyn AL6 9RP

Installation of a front portico

20 Attimore Road Welwyn Garden City AL8 6LW

Removal of an existing shed and associated structures at the rear of the garden and erection of a modest timber garden building with shingle roof for use as a garden office. Remove all the green outline (which includes shed, chicken run wire / posts and corrugated roof, and replacing with the bronze outine

19 Holme Road Hatfield AL10 9LH

Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.30m in height and 3.00m to the eaves

5 Branch Close Hatfield AL10 0TW

Erection of a single storey garage extension

44 Mill Lane Welwyn AL6 9ET

TG1 Sycamore, Prunus and Hazel - Coppice/pollard the Sycamore and Hazel to the height of the Laurel hedge and bring the height of the dead/Ivy-clad parts of the Prunus down to match on the waterside. Prune the remaining parts of the Prunus leaning back into the garden of 44 to shape and balance the crown. T1 Ash - Remove the lowest limb going over the water at the back into the phone wires. To do so, we will also need to remove the 2 lowest limbs at the front to set up a lowering line.

45 Dawley Welwyn Garden City AL7 1EA

Erection of single storey side extension

8 Dawley Welwyn Garden City AL7 1DZ

Erection of single storey side extension

1-11, 13-23, 23-35 & 37-47 Grove Mead; 2-12, 14-24 Briars Wood & 2-12 & 22-32 Briars Lane Hatfield

Replacement of external wall insulation to match existing, replacement windows and doors, to double/triple glazed units and thermal doors, balcony insulation system to be added to balcony slab and new railings to match existing