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Planning applications in AL7

We hold 657 planning applications for the AL7 postcode area, 178 of them submitted in the past year. 92% of decided applications here were approved. A decision typically takes 56 days. The area is covered by Welwyn Hatfield.

657
applications held
178
in the past year
92%
approved
56 days
median decision

Councils covering AL7

Welwyn Hatfield (657)

Recent applications in AL7

Pending
ESTATE MANAGEMENT
18 Sept 20266/2026/1638/EM
14 Cole Green Lane Welwyn Garden City AL7 3PWWelwyn Hatfield

Installation new hard standing and alterations to landscaping

Pending
HOUSEHOLDER APPLICATION
11 Sept 20266/2026/1587/HOUSE
14 Ramblers Way Welwyn Garden City AL7 2JXWelwyn Hatfield

Addition of balcony to rear elevation

Pending
ESTATE MANAGEMENT
10 Sept 20266/2026/1583/EM
15 Bedwell Close Welwyn Garden City AL7 3XHWelwyn Hatfield

Installation of a roof-mounted solar photovoltaic (PV) system comprising seven solar panels located on the side and rear roof slopes of the existing dwelling, together with associated inverter and battery storage equipment positioned at the rear of the property. No solar panels are proposed on the front elevation, and no internal alterations to the dwelling are proposed.

Pending
ESTATE MANAGEMENT TREES
9 Sept 20266/2026/1553/EMT
64 Holwell Road Welwyn Garden City AL7 3RNWelwyn Hatfield

Remove 1 x silver maple tree.

Pending
FULL PERMISSION
8 Sept 20266/2026/1556/FULL
180 Heronswood Road Welwyn Garden City AL7 3EUWelwyn Hatfield

Change of use of the front part of the site from general amenity land to private driveway to accommodate parking for one vehicle, with the remaining land being retained as open plan garden, front driveway alterations, insertion of EV charger, erection of glazed pergola to rear, and alterations to side openings.

Pending
HOUSEHOLDER APPLICATION
3 Sept 20266/2026/1541/HOUSE
3 Longlands Road Welwyn Garden City AL7 3QDWelwyn Hatfield

Proposed garden room with a canopy

Pending
HOUSEHOLDER APPLICATION
2 Sept 20266/2026/1522/HOUSE
93 The Commons Welwyn Garden City AL7 4RZWelwyn Hatfield

Erection of single storey rear extension

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
1 Sept 20266/2026/1528/COND
Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Welwyn Garden City AL7 4EGWelwyn Hatfield

Submission of details pursuant to condition numbers 5 (surface water drainage scheme), 6 (contamination remediation strategy), 7 (contamination monitoring and maintenance plan), 8 (ground investigation), 9 (borehole management scheme), 10 (ecological enhancements) on planning permission 6/2025/1024/RM

Permitted
APPROVAL OF DETAILS RESERVED BY CONDITION
1 Sept 20266/2026/1527/COND
Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Welwyn Garden City AL7 4EGWelwyn Hatfield

Submission of details pursuant to condition numbers 1 (Construction Environmental Management Plan), 2 (Arboricultural Method Statement and Tree Protection Plan), 3 (Construction Method Statement - Phase 2 only) and 4 (Site Waste Management Plan) on planning permission 6/2025/1024/RM

Pending
ESTATE MANAGEMENT TREES
1 Sept 20266/2026/1484/EMT
41 Rosedale Welwyn Garden City AL7 1DWWelwyn Hatfield

Remove 2x quince trees - trees are engulfed in ivy and have a lot of deadwood present

Refused
HOUSEHOLDER APPLICATION
28 Aug 20266/2026/1518/HOUSE
48 Great Ganett Welwyn Garden City AL7 3DEWelwyn Hatfield

Erection of single storey rear extension

Pending
HOUSEHOLDER APPLICATION
27 Aug 20266/2026/1508/HOUSE
17 Sylvandale Welwyn Garden City AL7 2HSWelwyn Hatfield

Erection of single storey front and rear extension, garage conversion and erection of rear outbuilding

Refused
FULL PERMISSION
26 Aug 20266/2026/1084/FULL
1 Heay Fields Welwyn Garden City AL7 2EHWelwyn Hatfield

Change of use from general amenity land to residential to include the alteration and extension of the existing brick wall

Pending
ESTATE MANAGEMENT TREES
24 Aug 20266/2026/1358/EMT
69 Lodgefield Welwyn Garden City AL7 1SEWelwyn Hatfield

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

Permitted
ESTATE MANAGEMENT
24 Aug 20266/2026/1488/EM
9 Autumn Grove Welwyn Garden City AL7 4DBWelwyn Hatfield

Installation of 1 x Extreme uPVC french door set, Smooth White uPVC frames inside & out, Multipoint locking mechanism, Ultion High Security door cylinder, White hardware, Trickle Vents to comply and Clear Toughened safety glass

Permitted
ESTATE MANAGEMENT TREES
24 Aug 20266/2026/1291/EMT
15 Fallowfield, Welwyn Garden City, AL7 1EEWelwyn Hatfield

Remove 1 x crab apple tree. Remove 1 x rotten tree. Remove 1 x tree. Remove 1 x holly bush.

Pending
TREES IN CONSERVATION AREA
24 Aug 20266/2026/1482/TC
29 Sheepcote Welwyn Garden City AL7 4QAWelwyn Hatfield

Remove 40ft ash tree - The ash tree is showing signs of basal decay and structural defects from previous poor pruning, raising concerns over its long-term stability. Its raised roots are also damaging and lifting garden pathways, creating an ongoing maintenance and trip hazard. Continued pruning would require significant ongoing expenditure, therefore removal is considered appropriate on arboricultural, safety and practical grounds

Pending
FULL PERMISSION
19 Aug 20266/2026/1458/FULL
Tesco Heart Building Car Park Shire Park Welwyn Garden City AL7 1TWWelwyn Hatfield

Installation of one padel tennis court as an additional ancillary sporting and recreational facility to the Tesco office headquarters, together with associated floodlighting, and hard landscaping works.

Pending
ESTATE MANAGEMENT
18 Aug 20266/2026/1450/EM
168 Blythway Welwyn Garden City AL7 1DUWelwyn Hatfield

Refurbishment and upgrade of existing rendered, gable wall, with the application of a ‘breathable’ top silicone coat for durability and longevity

Pending
Class A – electronic communications code operators - PRIOR APPROVAL
10 Aug 20266/2026/1411/PN15
Grass verge along Bessemer Road Bessemer Road Welwyn Garden City AL7 1ETWelwyn Hatfield

Prior approval for the installation of 20m high Taurus Street pole with 9no antennas, 6no RRH and equipment housing, together with associated ancillary development

Pending
HOUSEHOLDER APPLICATION
22 Jul 20266/2026/1293/HOUSE
33 Claves Crescent Welwyn Garden City AL7 1WNWelwyn Hatfield

Erection of a single storey rear conservatory

Pending
HOUSEHOLDER APPLICATION
17 Jul 20266/2026/1257/HOUSE
21 The Swallows Welwyn Garden City AL7 1BXWelwyn Hatfield

Garage conversion with alterations to openings to front and rear elevations

Pending
Small
ESTATE MANAGEMENT TREES
7 Jul 20266/2026/1179/EMT
75 Rosedale, Welwyn Garden City, AL7 1DPWelwyn Hatfield

Reduce 1 x Oak by 1.5m in height and width

Pending
Small
ESTATE MANAGEMENT TREES
7 Jul 20266/2026/1180/EMT
32 Lodgefield Welwyn Garden City AL7 1SDWelwyn Hatfield

1 x Weeping Willow to reduce by approximately 4m in height and 2m in width To maintain size and height for garden

Pending
HOUSEHOLDER APPLICATION
29 Jun 20266/2026/1113/HOUSE
16 Birkin Court Welwyn Garden City AL7 3FAWelwyn Hatfield

Erection of a single storey rear extension

Pending
HOUSEHOLDER APPLICATION
19 Jun 20266/2026/1070/HOUSE
13 Lady Grove Welwyn Garden City AL7 4DSWelwyn Hatfield

Erection of single storey side extension

Pending
Small
ESTATE MANAGEMENT TREES
17 Jun 20266/2026/1057/EMT
8 Rollswood Welwyn Garden City AL7 4DGWelwyn Hatfield

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

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
12 Jun 20266/2026/1032/COND
Salisbury Square Hatfield AL7 5ADWelwyn Hatfield

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

Permitted
ESTATE MANAGEMENT
8 Jun 20266/2026/1007/EM
123 Blythway Welwyn Garden City AL7 1DNWelwyn Hatfield

Removal of severely damaged hedge and replace with 3 ft picket fence with hedgerow behind

Withdrawn
Small
TREES IN CONSERVATION AREA
3 Jun 20266/2026/0980/TC
Our Lady Catholic Primary School Woodhall Lane Welwyn Garden City AL7 3TFWelwyn Hatfield

T1 - Lime - Fell and grind root

Pending
Small
ESTATE MANAGEMENT TREES
1 Jun 20266/2026/0959/EMT
170 Boundary Lane, Welwyn Garden City, AL7 4DFWelwyn Hatfield

G1 - Group of field maple and ash trees, crown reduce by 2-3m approx

Pending
Small
ESTATE MANAGEMENT TREES
1 Jun 20266/2026/0961/EMT
10 Howicks Green, Welwyn Garden City, AL7 4RHWelwyn Hatfield

T1-Goat Willow to fell to stump level as it is Dying/dead. T2-Conifer hedge to fell to stump level as it has out grown it's position

Pending
FULL PERMISSION
1 Jun 20266/2026/0952/FULL
18 Fallowfield Welwyn Garden City AL7 1EEWelwyn Hatfield

Retrospective application for change of use from amenity land to residential land to form part hardstanding and part garden land at the front of the property and installation of a drop kerb

Permitted
LAWFUL DEVELOPMENT - PROPOSED
29 May 20266/2026/0949/LAWP
16 Rosedale Welwyn Garden City AL7 1DRWelwyn Hatfield

Certificate of lawfulness for part single-storey and part two-storey rear extension, replacement window to side elevation, and block up the existing kitchen ground-floor side window

Pending
Small
ESTATE MANAGEMENT TREES
20 May 20266/2026/0897/EMT
3 Howicks Green Welwyn Garden City AL7 4RJWelwyn Hatfield

T1 Ash, closest to the rear gate to fell and stump poison. No replant. T2 Ash, clear from overheads and structures (sheds) by 2m.

Permitted
Small
ESTATE MANAGEMENT TREES
20 May 20266/2026/0898/EMT
99 Blythway Welwyn Garden City AL7 1DLWelwyn Hatfield

T1 Ash, self set against dwelling to fell and stump poison, no replant. T2 Ash, self set against fencing to fell and stump poison, no replant.

Pending
HOUSEHOLDER APPLICATION
18 May 20266/2026/0871/HOUSE
13 Birkin Court Welwyn Garden City AL7 3FAWelwyn Hatfield

Proposed part single storey rear and side extension with break through, first floor part rear/side infill with internal alterations

Permitted
ESTATE MANAGEMENT
14 May 20266/2026/0854/EM
175 Blythway Welwyn Garden City AL7 1DSWelwyn Hatfield

Replace the existing front boundary hedge with a new, well-maintained evergreen hedge to improve the appearance of the property and enhance biodiversity within the street scene.

Permitted
HOUSEHOLDER APPLICATION
11 May 20266/2026/0820/HOUSE
17 Claves Crescent Welwyn Garden City AL7 1WNWelwyn Hatfield

Erection of single storey rear extension & alterations to openings

Pending
HOUSEHOLDER APPLICATION
8 May 20266/2026/0806/HOUSE
87 Lords Wood Welwyn Garden City AL7 2HGWelwyn Hatfield

Erection of single storey rear/side extension & garage conversion

Permitted
ESTATE MANAGEMENT
6 May 20266/2026/0793/EM
41 Rowans Welwyn Garden City AL7 1NZWelwyn Hatfield

Erection of rear extension plus retrospective permission for a shed

Permitted
ESTATE MANAGEMENT
6 May 20266/2026/0795/EM
8 Dawley Welwyn Garden City AL7 1DZWelwyn Hatfield

Erection of single storey side extension

Permitted
ESTATE MANAGEMENT
6 May 20266/2026/0796/EM
45 Dawley Welwyn Garden City AL7 1EAWelwyn Hatfield

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

Refused
LAWFUL DEVELOPMENT - PROPOSED
5 May 20266/2026/0777/LAWP
1 Claves Crescent Welwyn Garden City AL7 1WNWelwyn Hatfield

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

Permitted
HOUSEHOLDER APPLICATION
1 May 20266/2026/0774/HOUSE
45 Dawley Welwyn Garden City AL7 1EAWelwyn Hatfield

Erection of single storey side extension

Permitted
HOUSEHOLDER APPLICATION
1 May 20266/2026/0768/HOUSE
8 Dawley Welwyn Garden City AL7 1DZWelwyn Hatfield

Erection of single storey side extension

Pending
APPROVAL OF DETAILS RESERVED BY CONDITION
23 Apr 20266/2026/0717/COND
73 Bridge Road East Welwyn Garden City AL7 1UTWelwyn Hatfield

Submission of details pursuant to Condition 16 (Hard & Soft Landscape Works), condition 18 (External lighting schemes) on planning permission 6/2020/2268/MAJ allowed under appeal APP/C1950/W/21/3284525

Pending
Small
WORKS TO TREES WITH TREE PRESERVATION ORDER
15 Apr 20266/2026/0671/TPO
37 Ramblers Way Welwyn Garden City AL7 2JUWelwyn Hatfield

G1 - Group of 5-6 Ash trees to the rear of 37 Ramblers Way, these trees are on the ground that run parallel to the rear garden fence and Black Fan Road. These trees are owned by Big Foot Blossoms Ltd and Hiten Chohen is the company owner and main contact. The works required are to pollard all the trees along the fence line by 50% to allow light into the garden of 37 Ramblers Way TPO 878 (2023)

Pending
Small
ADVERT CONSENT
8 Apr 20266/2026/0614/ADV
12 Durkan Ltd Little Burrow Welwyn Garden City AL7 4SWWelwyn Hatfield

Installation of 1x non-illuminated fascia sign

Pending
HOUSEHOLDER APPLICATION
7 Apr 20266/2026/0597/HOUSE
125 Knella Road Welwyn Garden City AL7 3NAWelwyn Hatfield

Erection of a single storey side extension