Planning Applications in AL10

Planning authority: Welwyn Hatfield Borough Council

Search current and historic planning applications in the AL10 postcode district in Welwyn Hatfield - 48 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 48 of 48 applications
3 Sept 2026 Under Consultation 6/2026/1494/PN8

6 West View Hatfield AL10 0PJ

Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves

Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL Welwyn Hatfield
28 Aug 2026 Under Consideration 6/2026/1240/LAWP

45 Briars Wood Hatfield AL10 8DH

Certificate of lawfulness for driveway and dropped kerb

LAWFUL DEVELOPMENT - PROPOSED Welwyn Hatfield
28 Aug 2026 Pending 6/2026/1424/VAR

18 Birchwood Close Hatfield AL10 0PP

Variation of Condition 1 (Arboricultural Method Statement and Tree Protection Plan) and Condition 2 (External Materials) on planning permission 6/2025...

VARIATION OF CONDITION Welwyn Hatfield
25 Aug 2026 Under Consultation 6/2026/1498/HOUSE

6 West View Hatfield AL10 0PJ

Erection of part single part two-storey rear extension

HOUSEHOLDER APPLICATION Welwyn Hatfield
25 Aug 2026 Under Consideration 6/2026/1496/LAWP

6 West View Hatfield AL10 0PJ

Certificate of lawfulness for erection of single storey rear extension, side and rear extension, hip to gable loft conversion with rear dormer

LAWFUL DEVELOPMENT - PROPOSED Welwyn Hatfield
20 Aug 2026 Pending 6/2026/1471/FULL

5 Branch Close Hatfield AL10 0TW

Garage conversion and extension to garage for use as annex

FULL PERMISSION Welwyn Hatfield
18 Aug 2026 Under Consultation 6/2026/1455/COND

5610 Gypsy Moth Avenue Hatfield Business Park Hatfield AL10 9BS

Submission of details pursuant to Condition 4 (Verification Report) on planning permission 6/2022/2759/FULL

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
14 Aug 2026 Pending 6/2026/1433/HOUSE

117 Stonecross Road Hatfield AL10 0HS

Erection of part single, part two storey rear extension with insertion of window to side elevation

HOUSEHOLDER APPLICATION Welwyn Hatfield
13 Aug 2026 Under Consultation 6/2026/1426/FULL

6 Ross Close Hatfield AL10 0QT

Erection of dwelling, following demolition of outbuilding

FULL PERMISSION Welwyn Hatfield
12 Aug 2026 Pending 6/2026/1419/COND

Howe Dell School The Runway Hatfield AL10 9AH

Submission of details pursuant to Condition 1 (Biodiversity Gain Plan), Condition 2 (Landscape and Ecological Management Plan (LEMP)), Condition 3 (Co...

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
7 Aug 2026 Approved 6/2026/1385/PN14

Car Park at Bishops Square Hatfield Business Park Hatfield AL10 9NE

Prior approval for demolition of existing carpark building

DEMOLITION - PRIOR APPROVAL Welwyn Hatfield
7 Aug 2026 Pending 6/2026/1399/PN8

1 High Dells Hatfield AL10 9JD

Prior approval for a single storey rear extension measuring 4.50m in depth, 2.58m to the eaves and the maximum height of 2.75m

Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL Welwyn Hatfield
5 Aug 2026 Pending 6/2026/1387/COND

Garages Lockley Crescent and Drovers Way Hatfield AL10 0TL

Submission of details pursuant to condition number 1 (Construction Management Plan) on planning permission 6/2022/0010/FULL

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
5 Aug 2026 Pending 6/2026/1389/HOUSE

33 Roe Green Lane Hatfield AL10 0SH

Erection of part two-storey, part single storey rear and side extensions, single storey front extension, alterations to the roof including rear dormer...

HOUSEHOLDER APPLICATION Welwyn Hatfield
5 Aug 2026 Pending 6/2026/1386/COND

Garages and Former Allotment Site Haseldine Meadows Hatfield AL10 8HB

Submission of details pursuant of condition 1 (construction management plan) on planning permission 6/2022/0012/FULL

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
3 Aug 2026 Pending 6/2026/1336/HOUSE

71 Briars Lane Hatfield AL10 8EX

Erection of a single storey side extension

HOUSEHOLDER APPLICATION Welwyn Hatfield
30 Jul 2026 Under Consultation 6/2026/1086/PN24

The Hub Tamblin Way Hatfield AL10 9EZ

Prior approval for installation of a roof-mounted solar PV system, comprising of 212 Solarwatt panels to a total system size of 95.4 kWp

Solar Panels/PV - PRIOR APPROVAL Welwyn Hatfield
29 Jul 2026 Under Consideration 6/2026/1306/LAWP

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, ...

LAWFUL DEVELOPMENT - PROPOSED Welwyn Hatfield
28 Jul 2026 Under Consideration 6/2026/1320/TPO

14 Sparrowhawk Place Hatfield AL10 9UR

T3 Cherry 1m reduction of entire tree. T4 Cherry 1m reduction of entire tree. T5 Cherry 1m reduction of entire tree. (covered by TPO562 (2016))

WORKS TO TREES WITH TREE PRESERVATION ORDER Welwyn Hatfield
27 Jul 2026 Under Consideration 6/2026/1312/FULL

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

FULL PERMISSION Welwyn Hatfield
24 Jul 2026 Under Consideration 6/2026/1142/HOUSE

77 Jasmine Gardens Hatfield AL10 0BN

Erection of a front boundary timber fence

HOUSEHOLDER APPLICATION Welwyn Hatfield
21 Jul 2026 Under Consideration 6/2026/1274/FULL

Council owned flats: 38-48 & 50-60 Aldykes Hatfield AL10 8EF

Installation of external wall insulation, replacing windows and doors with energy-efficient units, insulating and upgrading balconies, and replacing t...

FULL PERMISSION Welwyn Hatfield
21 Jul 2026 Under Consideration 6/2026/1265/PN8

1 Newstead Hatfield AL10 9DH

Prior approval for a single storey rear extension measuring 6.00m in depth, 2.60m to the eaves and the maximum height of 3.00m

Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL Welwyn Hatfield
20 Jul 2026 Under Consideration 6/2026/1273/FULL

Council owned flats: 26-36 Aldykes Hatfield AL10 8EF and 44-54 Feather Del, Hatfield AL10 8DD

Replacement windows and doors to double/triple glazed units and thermal doors with the addition of balcony insulation system to balcony slab and new r...

FULL PERMISSION Welwyn Hatfield
20 Jul 2026 Under Consideration 6/2026/1275/FULL

Council owned flats: Feather Dell Hatfield AL10 8DD 20-42 Feather Dell Hatfield AL10 8DD

Installation of wall insulation (materials to match existing to all of the external wall), replacement windows and doors to double/triple glazed units...

FULL PERMISSION Welwyn Hatfield
20 Jul 2026 Under Consideration 6/2026/1272/FULL

Council owned flats in Aldykes & Briars Wood 2-12, 14-24 Aldykes Hatfield & 38-48 & 50-60 Briars Wood Hatfield AL10 8EF

Installation of insulation to all of the external walls, replacement windows and doors to double/triple glazed units and thermal doors, balcony insula...

FULL PERMISSION Welwyn Hatfield
17 Jul 2026 Under Consultation 6/2026/1261/FULL

162 Dragon Road Hatfield AL10 9NZ

Change of use from a six-person HMO to a seven-person HMO with garage conversion to communal living space and new cycle and refuse/recycling store

FULL PERMISSION Welwyn Hatfield
16 Jul 2026 Under Consideration 6/2026/1210/LAWE

9 Flamingo Close Hatfield AL10 9LU

Certificate of Lawfulness for the existing use of the property as a HMO (Use Class C4) in continuous use for over 10 years

LAWFUL DEVELOPMENT - EXISTING Welwyn Hatfield
16 Jul 2026 Under Consideration 6/2026/1202/HOUSE

40 Cecil Crescent Hatfield AL10 0HG

Erection of single storey rear extension

HOUSEHOLDER APPLICATION Welwyn Hatfield
13 Jul 2026 Approved 6/2026/1219/LAWP

57 Briars Lane Hatfield AL10 8EX

Certificate of lawfulness for a proposed loft conversion with the installation of a rear dormer and four rooflights in the front elevation

LAWFUL DEVELOPMENT - PROPOSED Welwyn Hatfield
8 Jul 2026 Under Consideration 6/2026/1189/LAWE

7 Ely Close Hatfield AL10 0DW

Certificate of lawfulness for the existing use of the property as a HMO (C4)

LAWFUL DEVELOPMENT - EXISTING Welwyn Hatfield
8 Jul 2026 Refused 6/2026/0960/FULL

15 Tiger Moth Way Hatfield AL10 9LT

Change of use of general amenity land to residential garden and erection of a 2 metre high timber boundary fence following removal of existing hedge a...

FULL PERMISSION Welwyn Hatfield
8 Jul 2026 Under Consideration 6/2026/1024/FULL

8 Harpsfield Broadway Hatfield Hertfordshire AL10 9TF

Retention of storage container for frozen food ancillary to shop use

FULL PERMISSION Welwyn Hatfield
8 Jul 2026 Refused 6/2026/0534/HOUSE

16 Chipmunk Chase Hatfield AL10 9GH

Retention of single storey rear extension and garage conversion to study/office

HOUSEHOLDER APPLICATION Welwyn Hatfield
8 Jul 2026 Under Consideration 6/2026/0723/FULL

24 Market Place Hatfield AL10 0LN

Subdivision of unit from hair salon to hair salon (Class Ea) and multi cuisine takeaway & home delivery (Sui Generis)

FULL PERMISSION Welwyn Hatfield
7 Jul 2026 Under Consideration 6/2026/1168/COND

Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

Submission of details pursuant to Condition 25 (SuDS) on planning permission 6/2023/0759/VAR

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
6 Jul 2026 Approved 6/2026/1160/HOUSE

2 Sycamore Avenue Hatfield AL10 8LZ

Raising the roof height and converting the garage into habitable use, installation of a pergola to the rear elevation of the dwelling and alteration t...

HOUSEHOLDER APPLICATION Welwyn Hatfield
3 Jul 2026 Refused 6/2026/1132/LAWE

19 Cunningham Avenue Hatfield AL10 9LR

Certificate of existing lawfulness of a 5 person HMO since 6 April 2006

LAWFUL DEVELOPMENT - EXISTING Welwyn Hatfield
3 Jul 2026 Approved 6/2026/1112/HOUSE

54 St Etheldredas Drive Hatfield AL10 8BZ

Proposed erection of a detached garden room/studio building within the rear garden

HOUSEHOLDER APPLICATION Welwyn Hatfield
26 Jun 2026 Approved 6/2026/1075/HOUSE

34 Heron Way Hatfield AL10 8QX

Erection of rear/side infill extension with garage conversion

HOUSEHOLDER APPLICATION Welwyn Hatfield
26 Jun 2026 Approved 6/2026/1018/LAWP

Dickson House Clayton House Forum House Lemsford Road Hatfield AL10 0FE

Certificate of lawfulness to replace existing external cladding, cavity barriers and insulation to all facades with alternative non-combustible materi...

LAWFUL DEVELOPMENT - PROPOSED Welwyn Hatfield
24 Jun 2026 Approved 6/2026/1092/LAWP

37 Cecil Crescent Hatfield AL10 0HG

Certificate of lawfulness for loft conversion

LAWFUL DEVELOPMENT - PROPOSED Welwyn Hatfield
24 Jun 2026 Withdrawn 6/2026/0896/EM

5 Maryland Hatfield AL10 8DY

Installation of hardstanding

ESTATE MANAGEMENT Welwyn Hatfield
22 Jun 2026 Approved 6/2026/1079/COND

13 Flamingo Close Hatfield AL10 9LU

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

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
22 Jun 2026 Approved 6/2026/0748/LAWP

72 Cherry Way Hatfield AL10 8LD

Certificate of lawfulness for non-material Change of Use from C3 (single-family dwelling) to C2 (residential institution) to establish a children’s ho...

LAWFUL DEVELOPMENT - PROPOSED Welwyn Hatfield
22 Jun 2026 Approved 6/2026/0779/LAWE

55 High Dells Hatfield AL10 9JD

Certificate of lawfulness for the existing hardstanding for two cars to the front of the property

LAWFUL DEVELOPMENT - EXISTING Welwyn Hatfield
18 Jun 2026 Approved 6/2026/1066/ADV

Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS

Installation of 4 x non-illuminated fascia signs

ADVERT CONSENT Welwyn Hatfield
17 Jun 2026 Approved 6/2026/1040/COND

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

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
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Data updated daily. Source: Welwyn Hatfield Borough Council planning portal.