House extensions in York

York received 589 householder applications in the last 12 months - about 11 a week. Rear extensions and side extensions are the most common. Of the 400 decided so far, 347 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 50 of 221 applications
Yesterday Awaiting decision 26/01634/FUL

The Bungalow Landing Lane Haxby York YO32 2NB

Change of use of land to a private dog walking field (Sui Generis) and erection of a boundary fence

Full Application York
2 days ago Awaiting decision 26/01629/LBC

54 Monkgate York YO31 7PF

External alterations comprising the painting of a mural to the side elevation

Listed Building Consent York
8 Sept 2026 Pending 26/01584/FUL

22 Applecroft Road York YO31 0HG

Hip to gable roof extension, dormers to front and rear roofslopes and single storey rear extension

Full Application York
7 Sept 2026 Pending 26/01605/FUL

Mr Snips 23 Yarburgh Way York YO10 5HD

Change of use of rear outbuilding to short term holiday let (sui generis) with single storey side extension and external alterations

Full Application York
7 Sept 2026 Pending 26/01621/FUL

13 Bede Avenue York YO30 6ED

Change of use from dwelling house (use Class C3) to large House in Multiple Occupation (Sui Generis) for up to 7no. occupants and single storey rear e...

Full Application York
7 Sept 2026 Pending 26/01468/FUL

58 Barley Rise Strensall York YO32 5AA

Balcony to rear and carport to side

Full Application York
4 Sept 2026 Awaiting decision 26/01512/FUL

14 Clifton York YO30 6AE

Single storey side extension, external terrace, alterations to rear fenestration and relocation of driveway

Full Application York
4 Sept 2026 Awaiting decision 26/01513/LBC

14 Clifton York YO30 6AE

Single storey side extension, external terrace, alterations to rear fenestration, relocation of driveway and internal alterations

Listed Building Consent York
4 Sept 2026 Pending 26/01603/FUL

18 Longfield Terrace York YO30 7DJ

Detached outbuilding to rear

Full Application York
3 Sept 2026 Pending 26/01607/LHE

19 Flaxman Avenue York YO10 3TW

Erection of single storey extension extending 4.5 metres beyond the rear wall of the original house, with a height to the eaves of 2.4 metres and a to...

Large Householder Extension York
3 Sept 2026 Pending 26/01604/FUL

266 Malton Road Huntington York YO32 9TE

Erection of a detached garage and workshop following removal of existing structure

Full Application York
3 Sept 2026 Pending 26/01608/FUL

6 Halladale Close York YO24 2XJ

Single storey side and rear extension

Full Application York
3 Sept 2026 Pending 26/01374/FUL

16 Valley View Wheldrake York YO19 6AJ

Single storey rear extension and external alterations

Full Application York
3 Sept 2026 Awaiting decision 26/01597/FUL

1 Linton Road Nether Poppleton York YO26 6LT

Single storey rear extension

Full Application York
2 Sept 2026 Awaiting decision 26/01595/FUL

34 Leeside York YO24 2PR

Two storey side and rear extension following demolition of garage and side projection

Full Application York
2 Sept 2026 Pending 26/01585/FUL

6 Clifton York YO30 6AE

Side extension to existing garage and alterations to roof

Full Application York
1 Sept 2026 Pending 26/01589/FUL

8 Springfield Road Upper Poppleton York YO26 6JW

Two storey side extension and single storey front, side and rear extensions

Full Application York
28 Aug 2026 Pending 26/01545/FUL

67 Manor Park Road York YO30 5UJ

Hip-to-gable roof extension and rear dormer to be completed under permitted development and single storey rear extension.

Full Application York
28 Aug 2026 Pending 26/01572/FUL

9 Lorraine Avenue Elvington York YO41 4BB

Single storey side and rear extensions and front dormer

Full Application York
27 Aug 2026 Awaiting decision 26/01576/FUL

22 Greencliffe Drive York YO30 6NA

Two storey side and rear extension, single storey side extension, raising of roof height, installation of solar panels and rooflights

Full Application York
27 Aug 2026 Pending 26/01577/FUL

44 Forestgate Haxby York YO32 2WT

Two storey side extension

York
26 Aug 2026 Awaiting decision 26/01437/LBC

1 Tower Place Tower Street York YO1 9RZ

Replacement of 6no. timber windows

Listed Building Consent York
25 Aug 2026 Awaiting decision 26/01564/FUL

Lady Anne Middletons Hotel 56 Skeldergate York YO1 6DS

Internal and external alterations to No. 56 Skeldergate and Chaplin House including new air conditioning units and pipework, replacement external door...

Full Application York
25 Aug 2026 Pending 26/01565/LBC

Lady Anne Middletons Hotel 56 Skeldergate York YO1 6DS

Internal and external alterations to No. 56 Skeldergate and Chaplin House including removal of external bridge link, new air conditioning, replacement...

Listed Building Consent York
25 Aug 2026 Awaiting decision 26/01561/FUL

16 Bursary Court Dringhouses York YO24 1UL

Roof terrace to rear

Full Application York
25 Aug 2026 Pending 26/01394/FUL

43 Penleys Grove Street York YO31 7PW

First floor side extension, rear dormer, single storey rear extension and alterations to driveway

Full Application York
25 Aug 2026 Awaiting decision 26/01486/CPD

2 Almery Terrace York YO30 7DL

Certificate of lawfulness for proposed development of a single storey rear extension, hip to gable roof extension and rear dormer

Certificate of Lawful Proposed Devlpmnt York
25 Aug 2026 Awaiting decision 26/01445/LBC

John Burrill Homes Water End York

Installation of secondary glazing to 7no. dwellings

Listed Building Consent York
24 Aug 2026 Awaiting decision 26/01558/FUL

66 Don Avenue York YO24 2PX

Single storey rear/side extension

Full Application York
24 Aug 2026 Awaiting decision 26/01559/FUL

49 Rawcliffe Lane York YO30 5SJ

Single storey rear extension, rear dormer and detached outbuilding.

Full Application York
24 Aug 2026 Pending 26/01488/FUL

Dinky Groves Day Nursery Minster Building 84 Lowther Street York YO31 7LX

Change of use of outbuilding to nursery (use class E) with elevational alterations

Full Application York
21 Aug 2026 Awaiting decision 26/01552/FUL

8 Grosvenor Park Grosvenor Road York YO30 6BX

Single story rear extension

Full Application York
21 Aug 2026 Awaiting decision 26/01547/FUL

24 Lindley Street York YO24 4JF

Single storey rear extension, rear dormer, replacement windows and 2no. rooflights to front

Full Application York
21 Aug 2026 Awaiting decision 26/01548/FUL

37 Park Avenue New Earswick York YO32 4DB

Single storey rear extension

Full Application York
21 Aug 2026 Awaiting decision 26/01553/FUL

4 Bonneycroft Strensall York YO32 5WD

Single storey rear extension

Full Application York
21 Aug 2026 Awaiting decision 26/01518/CPD

Aldwark House Hospital Fields Road York

Certificate of lawfulness for proposed development of various works to improve fire safety performance, including the replacement of external wall and...

Certificate of Lawful Proposed Devlpmnt York
21 Aug 2026 Awaiting decision 26/01378/CPD

5 Norfolk Street York YO23 1JY

Certificate of lawfulness for proposed development for conversion of detached garaage to garden room/home office and external alterations

Certificate of Lawful Proposed Devlpmnt York
21 Aug 2026 Awaiting decision 26/01489/FUL

6 Malton Avenue York YO31 7TT

Single storey rear extension

Full Application York
21 Aug 2026 Awaiting decision 26/01519/CPD

Heslington House Hospital Fields Road York

Certificate of lawfulness for proposed development of various works to improve fire safety performance, including the replacement of external wall and...

Certificate of Lawful Proposed Devlpmnt York
20 Aug 2026 Awaiting decision 26/01546/FUL

28 Harden Close York YO30 4WE

Single storey front and rear extensions

Full Application York
20 Aug 2026 Awaiting decision 26/01534/FUL

17 Finsbury Avenue York YO23 1LW

Single storey side and rear extension, alterations to detached garage, raised patio and air source heat pump to side

Full Application York
19 Aug 2026 Awaiting decision 26/01540/FUL

18 Eastholme Drive York YO30 5SW

Porch to front, pitched roof to side elevation, provision of 2no. parking spaces and boundary wall to front

Full Application York
19 Aug 2026 Awaiting decision 26/01531/LBC

Select 18 - 20 Spurriergate York YO1 9QR

Replacement windows throughout

Listed Building Consent York
19 Aug 2026 Awaiting decision 26/01537/FUL

60 Cedar Glade Dunnington York YO19 5PL

Single storey side and rear extension

Full Application York
18 Aug 2026 Awaiting decision 26/01525/CPD

10 Barnfield Way Copmanthorpe York YO23 3RT

Certificate of lawfulness for proposed development of a single storey rear extension

Certificate of Lawful Proposed Devlpmnt York
18 Aug 2026 Awaiting decision 26/01526/FUL

Oakwood 99 Stockton Lane York YO31 1JA

Two storey and single storey side and rear extensions

Full Application York
18 Aug 2026 Awaiting decision 26/01494/FUL

2 Almery Terrace York YO30 7DL

Replacement of windows throughout and installation of a gate to rear boundary

Full Application York
17 Aug 2026 Awaiting decision 26/01521/FUL

21 Campbell Avenue York YO24 4LA

Single storey side and rear extension

Full Application York
17 Aug 2026 Awaiting decision 26/01366/FUL

9 Barmby Avenue York YO10 4HX

Single storey side and rear extension and outbuilding to rear

Full Application York
14 Aug 2026 Awaiting decision 26/01505/FUL

22 Fairway Drive Upper Poppleton York YO26 6HE

Two storey and single storey rear extensions, rear dormer and canopy extension to front

Full Application York
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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 York?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by York. You can also narrow the alert to a postcode, street, or drawn area.

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