House extensions in South Kesteven

South Kesteven received 319 householder applications in the last 12 months - about 6 a week. Rear extensions and garage works are the most common. Of the 230 decided so far, 213 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 82 applications
2 Sept 2026 Awaiting decision S26/1107

10 Maiden Lane Stamford Lincolnshire PE9 2AZ

Replace two wood windows, like for like, on the gable side of the property.

Listed Building Consent South Kesteven
2 Sept 2026 Awaiting decision S26/1106

10 Maiden Lane Stamford Lincolnshire PE9 2AZ

Replace two wood windows, like for like, on the gable side of the property.

Householder South Kesteven
21 Aug 2026 Awaiting decision S26/0907

6 Lumbys Terrace Stamford Lincolnshire PE9 2NS

Replacement windows and doors, capping chimney together with replacement iron railing and boundary fence

Householder South Kesteven
21 Aug 2026 Awaiting decision S26/0908

6 Lumbys Terrace Stamford Lincolnshire PE9 2NS

Replacement windows and doors, capping chimney together with internal alterations.

Listed Building Consent South Kesteven
20 Aug 2026 Awaiting decision S26/1276

56 Swine Hill Harlaxton Lincolnshire NG32 1HP

Rear, ground floor infill extension and front porch. Three proposed dormer windows to rear at first floor level.

Householder South Kesteven
20 Aug 2026 Awaiting decision S26/1329

Rose Cottage Main Street Hougham Lincolnshire NG32 2JD

Proposed extension and alterations to dwelling

Householder South Kesteven
17 Aug 2026 Awaiting decision S26/1303

49 Dudley Road Grantham Lincolnshire NG31 9AA

New front parking space and dropped kerb access

Full Planning Permission South Kesteven
14 Aug 2026 Awaiting decision S26/1384

Park House 6 Manor Drive Harlaxton Lincolnshire NG32 1HU

Replacement of 2 softwood painted Non-Historic windows, plus the repair of 1 metal framed, diamond light, stone surround window consisting of 1 fixed ...

Listed Building Consent South Kesteven
14 Aug 2026 Awaiting decision S26/1383

The Bungalow 61 High Street Pointon Lincolnshire NG34 0LY

Rear extension and erection of a porch to the front entrance

Householder South Kesteven
10 Aug 2026 Awaiting decision S26/1305

40 The Crescent Allington Gardens Allington Lincolnshire NG32 2DR

Proposed erection of pre fabricated single garage

Full Planning Permission South Kesteven
7 Aug 2026 Awaiting decision S26/1352

Caterpillar Day Nursery 100 Bridge Street Deeping St James Lincolnshire PE6 8EH

External repairs and internal refurbishment works to the main building and associated outbuilding.

Full Planning Permission South Kesteven
7 Aug 2026 Awaiting decision S26/1353

Caterpillar Day Nursery 100 Bridge Street Deeping St James Lincolnshire PE6 8EH

External repairs and internal refurbishment works to the main building and associated outbuilding.

Listed Building Consent South Kesteven
5 Aug 2026 Awaiting decision S26/1288

The Manor House Colsterworth Road Skillington Lincolnshire NG33 5HF

Change of front door.

Listed Building Consent South Kesteven
5 Aug 2026 Awaiting decision S26/1341

10 Stephenson Avenue Grantham Lincolnshire NG31 8QA

Single storey flat roof extension to rear. Internal and external alterations (removal of conservatory)

Householder South Kesteven
5 Aug 2026 Awaiting decision S26/1334

49 George Street Bourne Lincolnshire PE10 9HE

Proposed two storey side extension

Householder South Kesteven
4 Aug 2026 Awaiting decision S26/1331

The Hall Mere Lane Aisby Lincolnshire NG32 3NF

Proposed vehicular entrance gates, ashlar stone piers, plinth walling and wrought iron railings

Householder South Kesteven
4 Aug 2026 Awaiting decision S26/1327

1 Bramley Road Market Deeping Lincolnshire PE6 8JG

Proposed alteration and single storey extension

Householder South Kesteven
3 Aug 2026 Awaiting decision S26/1324

Manor House Low Road Manthorpe Lincolnshire NG31 8NQ

Removal of modern conservatory and replacement with a single storey family room, creation of a pantry extension, replacement of all existing upvc wind...

Householder South Kesteven
3 Aug 2026 Awaiting decision S26/1318

Glen Lodge Belmesthorpe Road Greatford Lincolnshire PE9 4QF

Proposed extensions to the front of the dwelling, including internal alterations and proposed single storey garage to the rear.

Householder South Kesteven
3 Aug 2026 Awaiting decision S26/1315

31 Saltersford Road Grantham Lincolnshire NG31 7HH

Proposed single storey extension to the side and rear of existing dwelling.

Householder South Kesteven
30 Jul 2026 Awaiting decision S26/1310

22 Almond Grove Grantham Lincolnshire NG31 9PX

Single storey extension to the rear of the property to form additional space for disabled occupant.

Householder South Kesteven
29 Jul 2026 Awaiting decision S26/1260

61 Stanley Street Bourne Lincolnshire PE10 9BJ

Single-storey side extension with hipped roof, incorporating bedroom, en-suite, bathroom, walk in wardrobe and utility room

Householder South Kesteven
27 Jul 2026 Awaiting decision S26/1279

28 St Mary's Street Stamford Lincolnshire PE9 2DL

Two porches.

Listed Building Consent South Kesteven
27 Jul 2026 Awaiting decision S26/1278

28 St Mary's Street Stamford Lincolnshire PE9 2DL

Two porches.

Householder South Kesteven
27 Jul 2026 Awaiting decision S26/1069

33 Castlegate Grantham Lincolnshire NG31 6SR

Reroofing of building, replacing unsound material, re-tiling with existing and reclaimed tiles, and associated lead and repointing works. Infill of pa...

Listed Building Consent South Kesteven
27 Jul 2026 Awaiting decision S26/1261

Downtown Superstore Old Great North Road Great Gonerby Lincolnshire NG32 2AB

Cafe relocation including introduction of new glazed curtain wall in South elevation.

Full Planning Permission South Kesteven
27 Jul 2026 Awaiting decision S26/1182

11 Lumbys Terrace Stamford Lincolnshire PE9 2NS

Internal renovation with replacement windows and doors.

Listed Building Consent South Kesteven
27 Jul 2026 Awaiting decision S26/1181

11 Lumbys Terrace Stamford Lincolnshire PE9 2NS

Internal renovation with replacement windows and doors.

Householder South Kesteven
26 Jul 2026 Awaiting decision S26/1116

Old Hall Farm Main Street Sudbrook Lincolnshire NG32 3RY

Erection of detached annexe

Householder South Kesteven
25 Jul 2026 Awaiting decision S26/1212

63 Northorpe Lane Thurlby Lincolnshire PE10 0HG

Construct porch extension to front elevation.

Householder South Kesteven
24 Jul 2026 Awaiting decision S26/1192

Cromwell House The Lane West Deeping Lincolnshire PE6 9HS

Reduce the height of the chimney over the Drawing Room.

Listed Building Consent South Kesteven
23 Jul 2026 Awaiting decision S26/1267

Whetstone 10 Victoria Road Stamford Lincolnshire PE9 1HB

Erection of two single-storey side extensions, removal of chimney and blocking up of first-floor window.

Householder South Kesteven
23 Jul 2026 Awaiting decision S26/1265

23 Vine Street Stamford Lincolnshire PE9 1QE

Single storey extension

Householder South Kesteven
23 Jul 2026 Awaiting decision S26/1339

2 Sandcliffe Road Grantham Lincolnshire NG31 8DT

Side extension and ground floor rear extension to dwelling.

Householder South Kesteven
23 Jul 2026 Awaiting decision S26/0993

21 Market Place Folkingham Lincolnshire NG34 0SE

Proposed roof timbers to be replaced with steel to structural engineer's assessment.

Listed Building Consent South Kesteven
23 Jul 2026 Awaiting decision S26/1266

Kesteven And Grantham Girls School Sandon Road Grantham Lincolnshire NG31 9AU

Roof refurbishment works across pitched roofs and flat roofs including the renewal of pitched roof tiles and flat roof membranes, renewal of rainwater...

Listed Building Consent South Kesteven
23 Jul 2026 Awaiting decision S26/0845

5 Church Street Long Bennington Lincolnshire NG23 5EN

To take down existing front boundary wall and replace with brick wall including pillars and metal railings.

Householder South Kesteven
21 Jul 2026 Awaiting decision S26/1244

Church Farmhouse Village Street Braceby Lincolnshire NG34 0TA

Demolition of the existing conservatory and construction of a single-storey replacement oak garden room

Householder South Kesteven
21 Jul 2026 Awaiting decision S26/1011

2 Culpepper Way Stamford Lincolnshire PE9 3WL

Proposed single storey rear extension and replacement vehicular access and boundary wall.

Full Planning Permission South Kesteven
21 Jul 2026 Awaiting decision S26/1028

89 Essex Road Stamford Lincolnshire PE9 1LG

Detached single storey garden room.

Householder South Kesteven
20 Jul 2026 Awaiting decision S26/1229

Caterpillar Day Nursery 100 Bridge Street Deeping St James Lincolnshire PE6 8EH

Internal structural repairs to ceilings and roof structure at main building and associated outbuilding.

Listed Building Consent South Kesteven
17 Jul 2026 Approved S26/1224

7 The Acorns Market Deeping Lincolnshire PE6 8UF

Single storey extension

Householder South Kesteven
17 Jul 2026 Awaiting decision S26/1225

6 Bridge Street Marston Lincolnshire NG32 2HL

Internal alterations, rear two storey extension and single storey section. Construction of detached double garage with external access stair to first ...

Householder South Kesteven
16 Jul 2026 Approved S26/1152

12 Pastures Road Barrowby Lincolnshire NG32 1BA

Proposed single-storey rear extension.

Householder South Kesteven
15 Jul 2026 Awaiting decision S26/1214

Old Smithy 12 Church Street Corby Glen Lincolnshire NG33 4NJ

Replacement of french doors to ground floor rear elevation.

Listed Building Consent South Kesteven
15 Jul 2026 Awaiting decision S26/1217

Church Cottage 5 Church Street Corby Glen Lincolnshire NG33 4NJ

Remove summer house prior to erection of replacement outbuilding.

Lawful Development (Proposed) South Kesteven
14 Jul 2026 Approved S26/0937

24 Bramble Grove Stamford Lincolnshire PE9 4BL

Proposed integral vehicular garage conversion including internal and external alterations

Householder South Kesteven
14 Jul 2026 Approved S26/1198

2 Lumbys Terrace Stamford Lincolnshire PE9 2NS

Proposed repairs to dwelling house comprising replacement windows, front door, repointing stonework, replace internal ground floor, replace internal r...

Listed Building Consent South Kesteven
10 Jul 2026 Approved S26/0973

Victoria House Ryhall Road Stamford Lincolnshire PE9 1UB

Re-tile existing roof

Householder South Kesteven
10 Jul 2026 Awaiting decision S26/1060

34 High Street Thurlby Lincolnshire PE10 0EE

Erection of extension and alterations to existing dwelling, removal of existing ancillary structures and erection of a detached dwelling to rear

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

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