House extensions in Halton

Halton received 170 householder applications in the last 12 months - about 3 a week. Rear extensions and side extensions are the most common. Of the 128 decided so far, 125 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.

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Showing 39 of 39 applications
21 Oct 2026 Registered 26/00408/FUL

1 Tunnel Top Northwich Road Runcorn Cheshire WA4 4JY

Proposed glass conservatory extension to front (south elevation) at

Full Application Halton
19 Oct 2026 Registered 26/00406/PLD

54 Beaconsfield Road Widnes Cheshire WA8 9LE

Application for a Certificate of Proposed Lawful Development to replace existing lean to roof with new raised gable end, and new dual pitch roof inclu...

Lawful Development Cert - Proposed Halton
18 Oct 2026 Registered 26/00404/FUL

17 Chatteris Park Runcorn Cheshire WA7 1XE

Proposed two storey rear extension at

Full Application Halton
16 Oct 2026 Registered 26/00405/FUL

1 Town Lane Hale Liverpool L24 4AG

Application for relevant demolition in a Conservation Area for removal of metal driveway gates at

Full Application Halton
16 Oct 2026 Registered 26/00402/FUL

5 Cunliffe Close Runcorn Cheshire WA7 2QF

Proposed garage conversion with front extension to connect at

Full Application Halton
15 Oct 2026 Registered 26/00400/FUL

Daresbury Laboratory Keckwick Lane Daresbury Runcorn WA4 4AD

Proposed removal of existing asbestos wall cladding and existing flat roof membrane and replace with new cladding and new roof membrane complete with ...

Full Application Halton
15 Oct 2026 Registered 26/00399/FUL

52 Coroners Lane Widnes Cheshire WA8 9JB

Proposed single storey side / rear extension and alteration of first floor rear window at

Full Application Halton
13 Oct 2026 Registered 26/00397/FUL

11 Crossgates Widnes Cheshire WA8 3GA

Proposed first floor rear extension at

Full Application Halton
9 Oct 2026 Registered 26/00394/FUL

20 Lea Cross Grove Widnes Cheshire WA8 4FG

Proposed replacement of conservatory with single storey extension, extension of detached garage & construction of a garden room at

Full Application Halton
7 Oct 2026 Registered 26/00391/PLD

1 Bar Hill Close Runcorn Cheshire WA7 1UU

Application for a certificate of proposed lawful development for a hip to gable loft conversion at

Lawful Development Cert - Proposed Halton
6 Oct 2026 Registered 26/00388/FUL

50 Cheltenham Crescent Runcorn Cheshire WA7 4YT

Proposed single storey side and rear extension at

Full Application Halton
6 Oct 2026 Registered 26/00387/PLD

10 Bandon Close Hale Liverpool L24 5RZ

Application for certificate of proposed lawful development for a single storey rear extension at

Lawful Development Cert - Proposed Halton
1 Oct 2026 Registered 26/00383/FUL

10 Birkdale Road Widnes Cheshire WA8 9RW

Proposed demolition of garage and construction of single storey front and side extension, plus application of render to all elevations at

Full Application Halton
1 Oct 2026 Registered 26/00382/FUL

13 Barnes Road Widnes Cheshire WA8 3LG

Proposed conservatory to rear of property at

Full Application Halton
30 Sept 2026 Registered 26/00379/FUL

37 Riversdale Road Runcorn Cheshire WA7 2AP

Proposed single storey side extension and garage conversion at

Full Application Halton
29 Sept 2026 Registered 26/00377/PLD

4 Vicarage Close Hale Liverpool L24 4BH

Application for certificate of proposed lawful development for a single storey rear extension and to convert garage to habitable room at

Lawful Development Cert - Proposed Halton
28 Sept 2026 Registered 26/00374/FUL

7 Curlender Way Hale Liverpool L24 4AT

Proposed ground floor and first floor extension to rear, conversion of the garage and amendments to existing porch at

Full Application Halton
24 Sept 2026 Registered 26/00372/FUL

183 Derby Road Widnes WA8 3UG

Proposed single storey rear extension at

Full Application Halton
22 Sept 2026 Registered 26/00367/FUL

37 Arklow Drive Hale Liverpool L24 5RW

Proposed single-storey extensions to the front, side and rear of the dwelling, with associated internal alterations at

Full Application Halton
22 Sept 2026 Registered 26/00366/PLD

2 Laleston Close Widnes Cheshire WA8 8LG

Application for certificate of proposed lawful development for a single storey rear extension at

Lawful Development Cert - Proposed Halton
17 Sept 2026 Registered 26/00364/FUL

109 Runcorn Road Moore Warrington Cheshire WA4 6UD

Application (retrospective) for amendments to original permission (17/00458/FUL) to make bathroom a single room and door to extension a single opening...

Full Application Halton
17 Sept 2026 Registered 26/00365/LBC

109 Runcorn Road Moore Warrington Cheshire WA4 6UD

Application (retrospective) for amendments to original permission (17/00458/FUL) to make bathroom a single room and door to extension a single opening...

Listed Building Consent Halton
15 Sept 2026 Registered 26/00358/FUL

7 Aran Close Hale Liverpool L24 5SB

Proposed two storey front extension, single storey front extension, single storey rear extension, render of front of property and alterations to fenes...

Full Application Halton
15 Sept 2026 Approved 13 Oct 26/00356/PLD

161A Pit Lane Widnes Cheshire WA8 9HW

Application for a Certificate of Proposed Lawful Development for a single storey rear extension and garage conversion at

Lawful Development Cert - Proposed Halton
14 Sept 2026 Registered 26/00354/FUL

284 Birchfield Road Widnes Cheshire WA8 9ER

Proposed replacement roof and installation of externally insulated render. Removal of balcony flat roofs and replacement with pitch roofs. Single stor...

Full Application Halton
14 Sept 2026 Registered 26/00359/FUL

6A Pool Hollow Runcorn Cheshire WA7 5TE

Construction of an annex in the rear garden (retrospective) at

Full Application Halton
8 Sept 2026 Registered 26/00349/FUL

7 Regency Park Widnes Cheshire WA8 9PH

Proposed rear / side ground floor extension and part change of use of garage to habitable room at

Full Application Halton
7 Sept 2026 Registered 26/00342/FUL

26 Stenhills Crescent Runcorn Cheshire WA7 5EB

Proposed single storey side extension at

Full Application Halton
3 Sept 2026 Registered 26/00341/FUL

19 Royden Avenue Runcorn Cheshire WA7 4SP

Proposed construction of an out building in rear garden at

Full Application Halton
3 Sept 2026 Registered 26/00343/FUL

8A Norton Village Runcorn Cheshire WA7 6PZ

Proposed installation of a 1.8m high automated sliding entrance gate within the existing front driveway access at

Full Application Halton
2 Sept 2026 Registered 26/00335/FUL

259 Liverpool Road Widnes Cheshire WA8 7HL

Proposed two storey front, side and rear extension and single storey rear extension at

Full Application Halton
24 Aug 2026 Approved 21 Oct 26/00325/PLD

85 Clincton View Widnes Cheshire WA8 8RR

Application for certificate of proposed lawful development for a single storey side extension (replacement of existing garage) at

Lawful Development Cert - Proposed Halton
24 Aug 2026 Approved 26 Oct 26/00327/FUL

27 Buckingham Avenue Widnes Cheshire WA8 9EW

Proposed garage conversion including new raised flat roof to existing garage and kitchen and new canopy to front elevation at

Full Application Halton
20 Aug 2026 Approved 25 Sep 26/00322/PLD

3 Hollybank Road Runcorn Cheshire WA7 2AW

Application for certificate of proposed lawful development for a proposed single storey side extension at

Lawful Development Cert - Proposed Halton
13 Aug 2026 Registered 26/00315/HBCFUL

45 - 45A Moorfield Road Widnes Cheshire WA8 3JA

Proposed disabled parking and lowered access kerbs at

HBC Full Application Halton
11 Aug 2026 Approved 21 Oct 26/00312/FUL

132 Liverpool Road Widnes Cheshire WA8 7JE

Proposed first floor rear extension at

Full Application Halton
5 Aug 2026 Approved 16 Sep 26/00303/PDE

8 Almond Avenue Runcorn Cheshire WA7 5JY

Application to determine if prior approval is required for a single storey rear extension with a projection of 5m and a width of 4.6m, with an overall...

Prior app - householder Halton
4 Aug 2026 Approved 2 Oct 26/00298/FUL

12 Cheshyre Drive Runcorn Cheshire WA7 2BL

Proposed single storey rear and side extension at

Full Application Halton
3 Aug 2026 Withdrawn 13 Oct 26/00292/FUL

56 Halton View Road Widnes Cheshire WA8 0TR

Proposed first floor rear extension at

Full Application Halton
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Frequently asked questions

When do you need planning permission for a house extension?
Single-storey rear extensions up to 4m (detached) or 3m (semi-detached / terraced) are usually permitted development. Two-storey extensions, anything in a conservation area, or larger projects almost always need a planning application.
What's the difference between planning permission and permitted development?
Permitted development rights let you build certain things without applying for planning permission, subject to specified limits. Anything outside those limits, whether taller, larger or in a protected area, needs full planning permission.
How long does a householder application take?
The statutory target is 8 weeks from validation. Most simple householder extensions are decided within that window; complex or contested cases, especially those drawing a lot of comments, can take longer.
Can I get email alerts for new extensions applications in Halton?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by Halton. You can also narrow the alert to a postcode, street, or drawn area.

We check Halton's planning portal daily. New extensions applications appear here within a day of being published.