Planning applications in Welwyn Hatfield, April 2026

Blue Moon Paddock Woodfield Lane Brookmans Park AL9 6JJ

Certificate of lawfulness to certify that proposed works to carry on and complete the erection of a two bedroom dwelling house with parking and courtyard garden following the demolition of existing stable/barn buildings, realignment of existing access track and new planting and habitat enhancement within the surrounding paddock/woodland approved under planning permission 6/2023/0229/FULL dated 21 April 2023 would be lawful

Cuffley Hills Barn The Ridgeway Cuffley EN6 4AY

Permission in Principle application for the demolition of existing buildings and erection of four detached dwellings

44 Osborne Road Little Heath Potters Bar EN6 1SF

Submission of details pursuant to Condition 1 (hard and soft landscape), condition 2 (energy efficient construction materials and processes), condition 3 (cycle parking) & condition 6 (external materials) on planning permission 6/2023/2559/FULL

82 Birchwood Avenue Hatfield AL10 0PS

Erection of single storey rear extension

North Mymms Park Tollgate Road North Mymms AL9 7TR

Variation or removal of Condition 2 (noise limiting system) and removal of Condition 3 (overarching Travel Plan) of planning permission 6/2022/2793/VAR

24 Hawkshead Lane North Mymms AL9 7TB

Alteration and extension to roof with the insertion of a new rooflight. Garage conversion involving the replacement of garage door with window

7 Tolmers Road Cuffley Potters Bar EN6 4JF

Certificate of lawfulness for change of use from a residential dwelling to a children's home for up to two children with a registered manager, two day carers and two overnight carers working on a rota basis

6 South Mundells Welwyn Garden City AL7 1EP

Prior approval for demolition to remove the existing small industrial building and allow the site to be levelled and resurfaced in tarmac

14 Jasmine Gardens Hatfield AL10 0BQ

Certificate of lawfulness for the proposed installation of a new window into the first floor side elevation

Verge in highway on Great North Road Welwyn Garden City AL8 7TJ

Submission of details pursuant to Condition 1 (Construction Traffic Management Plan) on planning permission 6/2025/1893/FULL

14 Birkin Court Welwyn Garden City AL7 3FA

Erection of a first floor rear extension over existing terrace, ground floor rear extension and partial garage conversion

57 Great North Road Brookmans Park AL9 6LA

Erection of part double part single storey rear extension, single storey front porch extension, raising of roof and eaves to accommodate loft conversion, alterations to materials and fenestration, erection of front boundary wall and gates

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.

60 Pooleys Lane Welham Green Hatfield AL9 7LF

Alterations and extension to roof with rear dormer and skylights to front roofslope

1 Church Lane Northaw Potters Bar EN6 4NX

A - Trees & shrubs in front garden property boundary with 3 Church lane - trim back trees & shrubs to property boundary & crown reduction of Plum trees to eaves level of 3 Church Lane. B - Tall Conifer, crown reduction by at least 25% or at most to eaves level of 3 Church Lane. C - Shrubbery on boundary with 3 Church lane, south of Conifer, reduction in height to fence level.

41 Hawbush Rise Welwyn AL6 9PR

Certificate of lawfulness for the remodelling of existing conservatory including raising the existing conservatory walls

Wytmead Essendon Hill Essendon Hatfield AL9 6AW

Repair and replacement of existing roof tiles, the removal of one existing rooflight, and the replacement of two rooflights, rebuilding of an existing chimney reconstructed to match the form of the adjacent chimney on the same elevation.

11 Georges Wood Road Brookmans Park AL9 7BY

Erection of new dwelling and associated hard and soft landscaping following demolition of the existing dwelling and the detached garage

4 Marlborough Close Welwyn AL6 0UG

Erection of single storey rear infill extension

Times Square (former Xerox Campus) Bessemer Road Welwyn Garden City AL7 1GP

Submission of details pursuant to Condition 14 (ii) (sound insulation and attenuation scheme) and (iii) (Performance report of scheme) on planning permission 6/2015/2213/MAJ

10 West Mead Welwyn Garden City AL7 4SA

Erection of single storey rear extension, raising of roof to existing side extension and canopy area with polycarbonate sheeting roof

Suttons Farmhouse Woodcock Hill St Albans AL4 9HJ

Erection of a single storey flat roof canopy with openable roof panels over the existing patio area

Suttons Farmhouse Woodcock Hill St Albans AL4 9HJ

Erection of a single storey flat roof canopy with openable roof panels over the existing patio area.

20 Elmwood Welwyn Garden City AL8 6LE

Silver birch to crown reduce by 20% (roughly 2 meters).

31 Crawford Road Hatfield AL10 0PF

Erection of front/side porch

49 Woods Avenue Hatfield AL10 8QE

Certificate of lawfulness for the conversion of dwelling into two 1 bedroom flats

40 Brookside Crescent Cuffley Potters Bar EN6 4QN

Erection of two-storey front, side and rear extensions and alterations to the roof, including a crown roof to the rear, following partial demolition of the existing dwelling. Installation of solar panels to the rear crown roof.

65 Handside Lane Welwyn Garden City AL8 6SH

Extension of hardstanding driveway to accommodate two cars instead of just one, leaving over 50% of property frontage as soft landscaping

Land at South Way Hatfield AL10 8HS

Submission of details pursuant to condition number 4 (Surface Water Drainage Scheme) & 6 (method statement for interim and temporary drainage) on planning permission 6/2023/1532/OUTLINE

Brocket Park Warren Farm Marford Road Lemsford Welwyn Garden City AL8 7XG

Erection of single storey extension to the dairy, single storey extension to adjacent outbuilding and associated fenestration changes to facilitate gym complex, following demolition of existing modern extensions to the dairy

37 Ramblers Way Welwyn Garden City AL7 2JU

G1 5-6 Ash trees (to the rear of 37 Ramblers Way) to pollard all the trees along the fence line by 50%. (Covered by TPO 878 (2023))

78 Valley Road Welwyn Garden City AL8 7DP

Detached, single-storey timber garden office in the rear garden, an EV charging point at the front of property and air source heat pump installation.

23 Elmwood Welwyn Garden City AL8 6LD

Field maple to crown lift to 3m and to reduce the tree by 30%.

Land Between 48 & 50 The Ridgeway Cuffley EN6 4BA

Submission of details pursuant to condition 5 (Landscaping Scheme), condition 9 (Renewable Energy) and condition 10 (Sustainable Urban Drainage) on planning permission 6/2022/1943/FULL

88 Attimore Road Welwyn Garden City AL8 6LP

Erection of single storey rear/side infill and rear extension, first floor side/rear extension, garage conversion including 1.5m extension and raising of roof, alteration to side elevation opening and insertion of rooflight to existing roof.

De Havilland Campus Hertfordshire Sports Village Mosquito Way Hatfield AL10 9EU

Conversion of existing tennis courts to 4 uncovered padel courts with erection of ancillary container

13 Stacklands Welwyn Garden City AL8 6XW

T1 Black Poplar to fell.

13 Stacklands Welwyn Garden City AL8 6XW

T1 Black Poplar to fell.

51 Brookside Crescent Cuffley Potters Bar EN6 4QP

Submission of details pursuant to Condition 2 (details of the proposed crown roof) on planning permission 6/2025/2346/HOUSE

38 The Ridgeway Cuffley Potters Bar EN6 4AX

Variation of condition 3 (Arboricultural Method Statement and the Tree Protection Plan) and condition 18 (approved plans) on planning permission 6/2023/2115/FULL

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

1 Church Lane Northaw Potters Bar EN6 4NX

T1 Yew crown lift to 2m over rear garden of 1 Church Lane. (covered by TPO826 (2018) T1)

1 Oakington Welwyn Garden City AL7 2PS

Erection of a single-storey rear extension, conversion of existing garage to habitable space and formation of a porch

Land South of Northaw Road East Cuffley

Request for a screening opinion to determine whether an Environmental Statement is required in relation to the development of up to approximately 200-250 dwellings with associated landscaping and public open space

2 Hill Rise Cuffley Potters Bar EN6 4EE

Erection of a detached carport with store

Former British Aerospace Gatehouse Immediately South of Staff Mess Comet Way Hatfield AL10 0XR

Certificate of lawfulness for the rendering of external walls and installation of protective capping over coping and to inside face of parapet

88 Attimore Road Welwyn Garden City AL8 6LP

Single storey rear/side infill and rear extension, first floor side/rear extension, garage conversion including 1.5m extension and raising of roof, alteration to side elevation opening and insertion of rooflight to existing roof.

1 The Links Welwyn Garden City AL8 7DS

Reduce sycamore tree to a stump.

42 Holloways Lane Welham Green Hatfield AL9 7NS

Erection of a part single storey and part 1.5 storey rear extension and single storey side extension, alterations to the roof and fenestration and installation of first floor rear dormers

2 Handside Lane Welwyn Garden City AL8 6SF

Erection of single storey rear extension following demolition of conservatory, garage conversion with raising of roof and front extension, loft conversion with rooflights, alterations to fenestration and widening of existing driveway