Planning applications in Welwyn Hatfield, March 2026

187 Blythway Welwyn Garden City AL7 1DS

Erection of outbuilding for home office/ gym following demolition of existing shed/outbuilding

8 Hill Ley Hatfield AL10 8LX

Change of use from general amenity land to private driveway to accommodate parking for one vehicle with crossover

15 Ely Close Hatfield AL10 0DW

Retrospective change of use from a dwellinghouse (use class C3) to a 4 bedroom HMO (use class C4) and installation of a bike shed

114 Parkway Welwyn Garden City AL8 6HN

New UPVC glazing to replace the existing timber windows in a style to match the existing windows. Replacement of garage door, front door and side access door. New roof light to side of hipped roof. Driveway extended and repaved

38 Dellfield Road Hatfield AL10 8EW

Erection of a single storey rear extension and part side wrap around and front porch extension

6 Bishops Close Hatfield AL10 9PW

Submission of details pursuant to condition 1 (Management Plan), on planning permission 6/2025/1834/FULL

129 Handside Lane Welwyn Garden City AL8 6TA

1 x Eucalyptus to reduce to around 2m above ground level. Reduce down to leave a suitable framework for rose 1 x Atlas cedar to lift lower branch to around 4m above ground level, Cedar lift low branch to improve light & space in lower part of garden

78 Hazel Grove Hatfield AL10 9DZ

Erection of a first floor side extension

128 Thistle Grove Welwyn Garden City AL7 4AQ

Replace existing driveway and path with driveway and path of permeable block paving

Land at Spinney Lane Rabley Heath Welwyn AL6 0QS

Cessation of existing commercial use and erection of 5 dwellings

63 Wilga Road Welwyn AL6 9PT

Prior approval for the erection of a flat roof single storey rear extension measuring 4.8m in depth, 3m in height and 2.50m to the eaves

15 Wood Vale Hatfield AL10 8TT

Certificate of lawfulness for the existing use of the property as an HMO (6 Occupants - use class C4)

67 Handside Lane Welwyn Garden City AL8 6SH

Alterations and Replacement Driveway from concrete to block paved

14 Market Place Hatfield AL10 0LN

Submission of details pursuant of condition 1 (air ventilation, extraction and odour control systems) on planning permission 6/2023/0653/FULL

Land adjacent to 51 Great North Road Stanborough AL8 7TJ

Submission of details pursuant to condition 1 (Construction Ecological Management Plan), condition 2 (Biodiversity Enhancement Plans), condition 4 (Hard and Soft Landscape Works), condition 5 (Contamination), condition 6 (Materials), condition 7 (Sustainability and Energy Efficiency) on planning permission 6/2025/2017/VAR

129 Handside Lane Welwyn Garden City AL8 6TA

T2 1 x Eucalyptus to reduce to around 2m above ground level. Reduce down to leave a suitable framework for rose T1 1 x Atlas cedar to lift lower branch to around 4m above ground level. Cedar lift low branch to improve light + space in lower part of garden

116 Harmer Green Lane Digswell Welwyn AL6 0ET

Replacement roof of existing garage/outbuilding, incorporating skylights along with other internal and external alterations following partial demolition of outbuilding

Land adjacent to The Warren 8 Carbone Hill Northaw Potters Bar EN6 4PL

Submission of details pursuant to condition number 1 (Construction Management Plan) on planning permission 6/2024/2237/VAR

127 Oakdale Welwyn Garden City AL8 7QS

1 x Copper beech to reduce by approximately 3m in height and 2.5m in width. Reducing due to fast vigorous regrowth from previous works. Tree dominates garden and causes excessive shading 1 x Whitebeam to reduce by approximately 1.5m height and width. lift to clear lamp post by 1m. Reducing to maintain previous size. Lower stem decay, not excessive but keeping canopy managed reduces any risk of failure

114 Parkway Welwyn Garden City AL8 6HN

Installation of a rooflight on the side roof slope and external lighting on the front and rear elevations of the dwelling. Alterations to fenestration and extension to the existing driveway.

Bothys field land at Holwell Court Farm Holwell Court Hatfield AL9 5RL

Erection of a hay store and a machinery store

Unit 1 Swallow Court Swallowfields Welwyn Garden City AL7 1SB

Change of use to incorporate use classes E, F1 and F2

6 Brockett Close Welwyn Garden City AL8 7BN

Erection of single-storey outbuilding

16 Blakemere Road Welwyn Garden City AL8 7PJ

Replace flat roof on garage, kitchen and dining room, garden shed (7 feet by 5 feet) and downstairs windows all like for like

66 Peartree Lane Welwyn Garden City AL7 3UH

Erection of a two storey side extension and single storey rear extension, three dormer windows to the front and one dormer window to the rear, rooflights and alterations to fenestration

20 Turmore Dale Welwyn Garden City AL8 6HS

Part garage conversion and front infill extension

13 Stonehills Welwyn Garden City AL8 6ND

Removal of ATM's, Night Safe Components, existing signage and reinstate materials where required

Land to the North-West Harmer Green Lane, Digswell, Welwyn

Erection of one detached dwelling

Clematis Cottage Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD

Certificate of lawfulness for construction of an incidental outbuilding

Unit J City Park Welwyn Garden City AL7 1LT

Change of use of existing industrial unit (Use Class B2) to Use Classes E(g)(iii) (Industrial Processes), B2 (General Industrial) and B8 (Storage and Distribution) together with refurbishment works including relocation of main entrance, installation of an additional shutter door, installation of plant and PV panels, recladding, reconfiguration of service yard and landscaping

18 Turmore Dale Welwyn Garden City AL8 6HS

Proposed part conversion of existing garage to facilitate a utility / shower room

29 Beehive Lane Welwyn Garden City AL7 4BJ

Proposed erection of a garden room in the rear garden

27 Blakemere Road Welwyn Garden City AL8 7PQ

Erection of single storey rear extension

32 Wilga Road Welwyn AL6 9PS

Erection of two storey rear extension and single storey front extension

17 Roundwood Drive Welwyn Garden City AL8 7JZ

Removal of existing dead and dying hedge at front boundary and replacement of hedge

17-17a Town Centre Hatfield AL10 0JZ

Single storey rear extension, extraction equipment to rear and installation of roller shutters

12 Hill Rise Cuffley Potters Bar EN6 4EE

Retention of an outbuilding

Kingsdale House Windsor Road Welwyn AL6 9LA

Installation of new external wall insulation, new flat roofing and new windows and doors