Planning applications in Welwyn Hatfield, July 2026

69 Lodgefield Welwyn Garden City AL7 1SE

5x self set ash trees reduce in height by about 40%

Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP

Installation of new doors to rear elevation

Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP

Installation of new doors to rear elevation

241 Daniells Welwyn Garden City AL7 1QD

Erection of single storey rear extension and alterations to opening following demolition of conservatory

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

292 Knightsfield Welwyn Garden City AL8 7NQ

Front: 1 x Robinia reduce lateral branches overhanging the roof by approximately 1.5m To prevent debris falling into gutters

5 The Orchard Welwyn Garden City AL8 7PL

1 x Ash to reduce by approx 4m in height and 3m in width

120 Howlands Welwyn Garden City AL7 4RG

Fell 11 conifers and replace with evergreen cherry laurel. Works sought following safety concerns during high winds and heavy rain, recent fallen branches and tree surgeon advising pruning to create a hedge isn't possible.

1 Thistle Grove Welwyn Garden City AL7 4AB

Fell dying Oak Tree

53 Pine Grove Brookmans Park AL9 7BL

T1 Horse Chestnut 1m full crown reduction T2 Hornbeam 2m full crown reduction (covered by TPO468, TPO1054 (2023) &TPO981)

5 The Orchard Welwyn Garden City AL8 7PL

1 x Ash to reduce by approximately 4m in height and 3m in width Tree has been historically heavily reduced with regrowth large and over extended in places. Neighbours side recently cut back and recent limb failure. Reduction is to re balance canopy both structurally and aesthetically

6 Handside Green Welwyn Garden City AL8 6SQ

Erection of part single part double storey rear extension and single storey side extension to dwelling, fenestration alterations and erection of garage following demolition of existing garage

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

24 Pentley Park Welwyn Garden City AL8 7SB

Fell 1 x Liquidambar styraciflua (sweet gum).

14 Roundwood Drive Welwyn Garden City AL8 7JZ

Proposed electric vehicle car charger to the front of the house

31 Kentish Lane Brookmans Park AL9 6NG

Prior approval for 2x single storey rear extensions and 1x single storey side/rear extension measuring 8m in depth, 2.85m to the eaves and the maximum height of 4m

71 Briars Lane Hatfield AL10 8EX

Erection of a single storey side extension

241 Daniells Welwyn Garden City AL7 1QD

Erection of single storey rear extension following demolition of conservatory & alterations to openings

Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA

Relocation of the Transfusion Medicine Vet Pod and associated parking, landscaping and associated works

Peel Court College Way Welwyn Garden City AL8 6DG

T2 & T3 Oaks to crown reduce by 1.5m-2m in height and width. (covered by TPO 827 (2018))

7 Elmwood Welwyn Garden City AL8 6LD

Installation of two air conditioning units, one to each side elevation.

105 Handside Lane, Welwyn Garden City, AL8 6SP

Installation of solar panels and battery

7 Homestead Lane Welwyn Garden City AL7 4LT

T1 Purple Leaved Plum - Reduce by 30% and shape

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

10 Picketts Welwyn Garden City AL8 7HJ

Like for like replacement windows and rear door

3 Youngs Rise Welwyn Garden City AL8 6RT

Fell a mature mulberry tree

3 Youngs Rise Welwyn Garden City AL8 6RT

Fell a mature mulberry tree

27 Fordwich Road Welwyn Garden City AL8 6EX

Replacing an existing shed with a garden office / workshop

41 Great North Road Welwyn Garden City AL8 7TJ

Certificate of lawfulness for a proposed hip to gable loft conversion with rear facing dormer and single storey side extension, plus insertion of rooflight to front elevation

40 Digswell Road Welwyn Garden City AL8 7PA

Fell 3 x oaks (T1, T3, T4). Fell hormbeam (TG2).

7 Elmwood Welwyn Garden City AL8 6LD

Installation of two air conditioning units, one to each side elevation

44 Howardsgate Welwyn Garden City AL8 6BW

Submission of details pursuant to condition number 1 (materials) on planning permission 6/2026/0317/FULL

58 Bell Lane Brookmans Park AL9 7AY

Submission of details pursuant to Condition 3 (materials), 4 (refuse and recycling) & 6 (landscaping) on planning permission 6/2025/2133/FULL

58 Bell Lane Brookmans Park AL9 7AY

Submission of details pursuant of condition 1 (biodiversity gain plan) on planning permission 6/2025/2133/FULL

30 Barleycroft Road Welwyn Garden City AL8 6JU

Submission of details pursuant to condition 2 (windows, doors and velux) on planning application 6/2024/1734/HOUSE

14 Sparrowhawk Place Hatfield AL10 9UR

T3: Crown lift to 2.5m, prune back from property to give 1.5m clearance from property, trim back overhang to highway T4: crown lift to 2.5m over road and trim back overhang to highway, light prune over garden (0.5m) T5: Prune back from garage to give clearance of 1m, crown lift to 2.5m and trim back overhang to highway (covered by TPO562 (2016))

6 Birdcroft Road Welwyn Garden City AL8 6EQ

Certificate of lawfulness for the erection of two new boundary fences, replacement hardstanding and removal of a section of existing hedge

184 Unit 4 St Albans Road West Hatfield AL10 0TF

Certificate of lawfulness for the change of use of the front office portion of Unit 2 to a daycare/creche facility, to include an internal mezzanine, within the same overarching Use Class E.

85 Handside Lane Welwyn Garden City AL8 6SH

T1 - 1 x Hornbeam to reduce by approx 1.5m height, reduce width over roadway by approx 2.5m and 2m on remaining width Rear T2 - 1 x Beech to reduce lateral growth back from the property by approx 1.5m T3 - 1 x Bay to reduce height by approx 1.5m, trim remaining hard round leaving a more rounded finish

178 Knella Road Welwyn Garden City AL7 3NN

Erection of part single and part two storey rear extension with alterations to openings on rear elevation

85 Handside Lane Welwyn Garden City AL8 6SH

T1 - 1 x Hornbeam to reduce by approx 1.5m height, reduce width over roadway by approx 2.5m and 2m on remaining width Rear T2 - 1 x Beech to reduce lateral growth back from the property by approx 1.5m T3 - 1 x Bay to reduce height by approx 1.5m, trim remaining hard round leaving a more rounded finish

61 Peplins Way Brookmans Park AL9 7UR

Erection of single storey front extension, two storey side extension, part single and part two storey rear extension, hip to gable roof extension with rear box dormer and three rooflights to the front roof slope

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)

122 The Commons Welwyn Garden City AL7 4SB

Proposed conversion of existing garage to habitable room alterations to the roof, erection of a glazed veranda and detached gazebo

Beales Hotel Comet Way Hatfield AL10 9NG

Change of use of the property from hotel (Use Class C1) to hostel (Sui Generis) for a temporary period until 31st March 2028

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)

9 Youngs Rise Welwyn Garden City AL8 6RT

Erection of a single storey side extension, part single and part two storey rear extension, with alterations to openings on side elevations and new patio area

20 Kingsmead Cuffley Potters Bar EN6 4AN

Certificate of lawfulness for the erection of an outbuilding and double garage within the curtilage of existing dwelling including formation of driveway and demolition of existing garage

105 Handside Lane Welwyn Garden City AL8 6SP

Remove dead cherry tree in front garden.