Planning applications in Welwyn Hatfield, June 2026

13 Flamingo Close Hatfield AL10 9LU

Submission of details pursuant to condition 1 (Landscaping) on planning permission 6/2025/1850/FULL

264 Heronswood Road Welwyn Garden City AL7 3JQ

1 x Blackthorn/plum to reduce canopy by 1m in height and 1.2m in width. 1 x Apple to fell.

23 Dellcott Close Welwyn Garden City AL8 7BB

Fell 1 x apple tree. Fell 1 x Himalayan birch.

34 Heron Way Hatfield AL10 8QX

Erection of rear/side infill extension with garage conversion

23 Dellcott Close, Welwyn Garden City, AL8 7BB

Fell 1 x apple tree. Fell 1 x Himalayan birch.

13 Lady Grove, Welwyn Garden City, AL7 4DS

Erection of single storey side extension

31 Linkfield Welwyn Garden City AL7 4DN

Replacement of roof and wall frames on existing conservatory

60 Brookmans Avenue Brookmans Park AL9 7QQ

Submission of details pursuant to Condition 3 (hard and soft landscaping) on planning permission 6/2026/0105/HOUSE

38 Reddings Welwyn Garden City AL8 7LA

Replacement roof system.

17 Attimore Road Welwyn Garden City AL8 6LH

Changes to the fenestration to the site and rear elevation

13 Lady Grove Welwyn Garden City AL7 4DS

Erection of single storey side extension

The North Star 82 Great North Road Welwyn AL6 0TA

Use of an existing flat roof as a first-floor teaching terrace and installation of an external fire escape staircase in association with nursery use permitted under 6/2026/0025/VAR

2 Brooksfield Welwyn Garden City AL7 2BJ

Erection of outbuilding with glazed roof

Land between The Manor House and Whitehall Field Cottage Essendon Hill Essendon AL9 6AJ

Submission of details pursuant of condition 15 (additional plans) on planning permission 6/2021/3290/FULL varied by 6/2025/0435/VAR

Brookmans Park Teleport Great North Road Brookmans Park AL9 6NE

Change of use the former satellite array yard to open storage, demolition of all associated redundant buildings and structure, the associated changes to access arrangements, landscaping and environmental enhancements

20 Turmore Dale Welwyn Garden City AL8 6HS

Fell dead Rowan

The Coach House Ellesfield Welwyn AL6 9HB

Reduce 1 x Horse chestnut by 2m. Cut back 1 x Sycamore to 1m beyond boundary line.

Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS

Installation of 4 x non-illuminated fascia signs

57 Broadwater Crescent Welwyn Garden City AL7 3TS

Certificate of lawfulness for proposed front hardstanding and vehicle crossover

100 Cole Green Lane Welwyn Garden City AL7 3JD

Erection of rear single storey extension following demolition of brick-built store

108 Tolmers Road Cuffley Potters Bar EN6 4JR

Replacement 5 bedroom dwelling following the demolition of existing 2 bedroom dwelling, with the current dropped kerb to be retained for access to the driveway

8 Rollswood Welwyn Garden City AL7 4DG

Leyland Cypress hedge to reduce to around fence height. 1 x Apple to reduce by approximately 2.5m height and width.

Unit 3 Woodside Lane Hatfield AL9 6DE

Retention of an extension to the existing building and the erection of a rear extension following demolition of existing buildings (part retrospective)

57 Hill Rise Cuffley Potters Bar EN6 4RX

Oak tree to rear of 57 Hill Rise indicated on the attached plans requires crown reduction. This is required in order to comply with arboriculturists recommendation that a crown height of 8.5 metres and spread of 13 metres be maintained in order to keep the tree healthy and to avoid subsidence risk to the property, the crown reduction work to be carried out every 3 years. TPO 903(2018)

155 Heronswood Road Welwyn Garden City AL7 3EL

Replacement of the existing Finlock guttering at both the front and rear of the property with a modern guttering system

16 The Green Welwyn AL6 9EA

Fell 1 x weeping willow.

22 Ravenfield Road Welwyn Garden City AL7 3UE

Front garden alterations

37 Longcroft Lane Welwyn Garden City AL8 6EB

Replacement of exisiting driveway with widened permeable resin bound gravel hardstanding

6 The Gardens Brookmans Park AL9 7UL

Certificate of lawfulness for the conversion of garage, elevational changes to front and rear elevations and new roof lights

41 High Street Welwyn AL6 9EF

Birch tree in corner of boundary next to residential homes, reduction in size by 30% to the overall size of the tree

67 Newfields Welwyn Garden City AL8 6YS

Installation of solar panels to side facing roof and rear extension flat roof and EV charger to front of house

Unit off Gypsy Moth Avenue, Hatfield

Confirmation that planning condition 9 on planning permission S6/1999/1064/OP has been discharged

19 Crossway Welwyn Garden City AL8 7ED

Plum hedge row to reduce by 2m height. Reduce lateral branches over garden area by 1.5-2m. They are blocking lots of light to half the garden and causing a nuisance. Want to maintain height and width

5 Daniells Welwyn Garden City AL7 1QY

Replace existing concrete driveway with resin bound gravel

21 Fearnley Road Welwyn Garden City AL8 6HW

Erection of a single-storey detached garden room (outbuilding) measuring 4.0 m × 3.0 m with a mono-pitch roof to a maximum height of 2.40 m sited in the rear corner of the garden (Retrospective)

6 Hobbs Hill Welwyn AL6 9DS

Fell birch.

10 Rooks Close Welwyn Garden City AL8 6JT

Fell 1 x European plum and 1 x common chokecherry.

25 Bluebells Welwyn AL6 0XD

Certificate of Lawfulness for the erection of a first floor external balcony to the rear of the house

55 Garden Road Woolmer Green SG3 6JZ

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

5 Peartree Court Welwyn Garden City AL7 3XN

Certificate of lawfulness for the change of use from C3 (dwellinghouse) to C4 (HMO for up to 6 unrelated residents)

1 Town Centre Hatfield AL10 0JZ

Submission of details pursuant to Condition 23 (first use of the commercial element) on planning permission 6/2021/1987/VAR

Salisbury Square Salisbury Square Hatfield AL7 5AD

Submission of details pursuant to condition 17 (Accessible and Adaptable Homes) on planning application 6/2021/3422/MAJ

Salisbury Square Hatfield AL7 5AD

Submission of details pursuant of condition 18 (access) on planning permission 6/2021/3422/MAJ

Sandyhurst 1 Welwyn By Pass Road Welwyn AL6 9HT

Erection of a 66 bedroom care home for the elderly (Use Class C2) with associated access, parking, landscaping and ancillary buildings following demolition of existing dwelling and associated outbuildings

17 Sycamore Avenue Hatfield AL10 8LZ

Erection of a part single storey, part two-storey rear extension, garage conversion, front porch extension, alterations to fenestration and external materials

18 Coopers Road Little Heath Potters Bar EN6 1JQ

Erection of a first floor rear extension

Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA

Proposed new manège with associated lighting, fencing, landscaping, and associated works

Stellantis & You Hatfield 1 Great North Road Hatfield AL9 5JA

Alterations to external elevations including painting of existing cladding & shopfronts, installation of new signage and alterations to vehicle parking layout

Stellantis & You Hatfield 1 Great North Road Hatfield AL9 5JA

Installation of various signage x3 facade totems and logo signs, shield sign, logo sign, name sign, mainstream street totem, intro totem, x3 flagpoles and banners, x2 brand totems.

Sunnyside Essendon Hill Essendon Hatfield AL9 6AJ

Certificate of lawfulness for proposed outbuilding