House extensions in East Suffolk

East Suffolk received 606 householder applications in the last 12 months - about 12 a week. Rear extensions and garage works are the most common. Of the 390 decided so far, 377 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 246 applications
4 Sept 2026 Awaiting decision DC/26/3088/CLP

Ivy Grange Farm Butts Road Westhall Halesworth Suffolk IP19 8RN

Certificate of Lawful use (Proposed) - Installation of a Mobile Home

Lawful Development Certificate(Proposed) East Suffolk
4 Sept 2026 Awaiting decision DC/26/3129/FUL

Baptist Chapel Hall The Street Charsfield Suffolk

Provision of permeable hard surface to car park, gates, fencing and a permissible footpath adjacent to the car park.

Full Application East Suffolk
4 Sept 2026 Awaiting decision DC/26/3073/FUL

Owl House Owls Green Dennington Woodbridge Suffolk IP13 8BX

Erection of greenhouse in front garden of dwelling

Full Application East Suffolk
3 Sept 2026 Awaiting decision DC/26/3055/FUL

5 St Nicholas Court Victoria Road Aldeburgh Suffolk IP15 5HT

Garage conversion

East Suffolk
3 Sept 2026 Awaiting decision DC/26/2717/FUL

Birds Nest Hill Road Wangford Beccles Suffolk NR34 8AR

Remove existing rear extension. Construct larger rear extension. Replace windows & doors. Part render walls.

Full Application East Suffolk
3 Sept 2026 Awaiting decision DC/26/3020/FUL

Tiergarden Walpole Lane Walpole Halesworth Suffolk IP19 9BE

Single storey extension to the west elevation of existing house to create new open plan kitchen - living room - dining room & garage/office / studio t...

Full Application East Suffolk
2 Sept 2026 Awaiting decision DC/26/2833/FUL

Garden Cottage Mutford Hall Hulver Road Mutford Beccles Suffolk NR34 7UW

New rear first floor extension, pitch roof with gable end, render finish, reclaim roof tiles Three bay garage, pitch roof with gable ends, black weath...

Full Application East Suffolk
2 Sept 2026 Awaiting decision DC/26/2982/FUL

Henstead Arts And Craft Centre Toad Row Henstead Beccles Suffolk NR34 7LG

To extend existing unit building to create a new toilet block and store.

Full Application East Suffolk
2 Sept 2026 Awaiting decision DC/26/3100/FUL

22 The Avenue Lowestoft Suffolk NR33 7LL

Erection of a single-storey rear extension, installation of two rear conservation roof windows, and extension and conversion of the garage.

Full Application East Suffolk
2 Sept 2026 Awaiting decision DC/26/3068/FUL

Springfield House School Lane Waldringfield Woodbridge Suffolk IP12 4QP

Garden Room Extension

Full Application East Suffolk
1 Sept 2026 Awaiting decision DC/26/2858/FUL

Cardinal Cottage Pouy Street Sibton Saxmundham Suffolk IP17 2JH

New entrance porch, single-storey rear extension to create enlarged kitchen, utility and conservatory, together with erection of detached garage.

Full Application East Suffolk
1 Sept 2026 Awaiting decision DC/26/3013/FUL

5 Shearwater Way Reydon Southwold Suffolk IP18 6GX

Two-storey rear extension.

Full Application East Suffolk
28 Aug 2026 Awaiting decision DC/26/2772/FUL

Lime Tree Cottage Rattla Corner Theberton Leiston Suffolk IP16 4SD

Removal of existing front boundary hedge and erection of 1.2m high hazel hurdle fence; 1.2m high double oak gates ; 0.8 m high pedestrian access gate ...

Full Application East Suffolk
27 Aug 2026 Awaiting decision DC/26/3039/FUL

Christ Church Felixstowe Grange Farm Avenue Felixstowe Suffolk IP11 2FB

Replacement of the existing rooflight with a new lantern turret.

Full Application East Suffolk
26 Aug 2026 Awaiting decision DC/25/5008/FUL

19 Thoroughfare Halesworth Suffolk IP19 8AH

Alteration and extension of No. 20, including reconfiguration, provision of 12 No. dormer windows, infill rear extension, and the creation of a passag...

Full Application East Suffolk
26 Aug 2026 Awaiting decision DC/26/2987/FUL

239 Main Road Kesgrave Ipswich Suffolk IP5 2PL

Rear extension at ground and first floor levels and associated elevational alterations

Full Application East Suffolk
26 Aug 2026 Awaiting decision DC/26/3019/FUL

The Surgery Chapel Road Otley Ipswich Suffolk IP6 9NT

Installation of single storey modular unit to the rear of Otley Surgery to provide additional clinical and support space.

Full Application East Suffolk
26 Aug 2026 Awaiting decision DC/26/2973/FUL

2 Rosemary Avenue Felixstowe Suffolk IP11 9HU

Single storey front extension, single & two storey rear extension & alterations

Full Application East Suffolk
26 Aug 2026 Awaiting decision DC/26/3032/CLP

Melford House 24 Waveney Road Beccles Suffolk NR34 9NW

Certificate of Lawful use (Proposed) - single-storey rear extension to an existing dwellinghouse. The property is in lawful use as a single private dw...

Lawful Development Certificate(Proposed) East Suffolk
25 Aug 2026 Awaiting decision DC/26/3018/FUL

44 Looe Road Felixstowe Suffolk IP11 9QB

Rear extension

Full Application East Suffolk
25 Aug 2026 Awaiting decision DC/26/3002/FUL

Home Farm Cottage Blacksmiths Road Hasketon Woodbridge Suffolk IP13 6JA

Single storey kitchen / family room extension & 2-Storey entrance / bedroom extension

Full Application East Suffolk
25 Aug 2026 Awaiting decision DC/26/2971/FUL

24 Bredfield Road Melton Woodbridge Suffolk IP12 1JB

Conversion of Garage into Annexe

Full Application East Suffolk
24 Aug 2026 Awaiting decision DC/26/2561/FUL

12 Willowbank Melton Woodbridge Suffolk IP12 1FU

Retain close boarded fencing to front and rear of property and change of use of vacant land to the rear (west) of the property to 'residential garden'...

Full Application East Suffolk
24 Aug 2026 Awaiting decision DC/26/2993/FUL

Wood Farm Meadow Helmingham Road Otley Suffolk IP6 9NS

Retrospective Application - Retention of three shipping containers for private storage purposes, together with associated landscaping

Full Application East Suffolk
24 Aug 2026 Awaiting decision DC/26/2996/FUL

St Michaels Church Church Street Framlingham Suffolk IP13 9BQ

Re-surfacing of existing Driveway

Full Application East Suffolk
24 Aug 2026 Awaiting decision DC/26/2991/FUL

Dalesview 7 Margaret Street Felixstowe Suffolk IP11 9EJ

Proposed loft conversion

Full Application East Suffolk
21 Aug 2026 Awaiting decision DC/26/2975/FUL

North End 85 Abbey Road Leiston Suffolk IP16 4TA

Proposed Double Garage.

Full Application East Suffolk
20 Aug 2026 Awaiting decision DC/26/2894/FUL

Land To West Of Seven Gardens Road Burgh Suffolk

Construction of Self-Build Dwelling and Garage and Formation of Vehicular Access.

Full Application East Suffolk
19 Aug 2026 Awaiting decision DC/26/2873/FUL

Greyroof Millfield Road Walberswick Southwold Suffolk IP18 6UD

Bike and Bin Stores

Full Application East Suffolk
19 Aug 2026 Awaiting decision DC/26/2938/FUL

16 Mill Lane Trimley St Martin Felixstowe Suffolk IP11 0RN

Single storey rear extension with internal alterations unaffected by planning.

Full Application East Suffolk
19 Aug 2026 Awaiting decision DC/26/2828/LBC

Pine Tree Cottage Mill Street Middleton Saxmundham Suffolk IP17 3LU

Listed Building Consent - Changes to rear extension as approved under previous application C13/0231

Listed Building Consent East Suffolk
19 Aug 2026 Awaiting decision DC/26/2888/FUL

Hill Farm Blyford Lane Wenhaston With Mells Hamlet Halesworth Suffolk IP19 9BS

Single storey side extension and garden shed

Full Application East Suffolk
18 Aug 2026 Awaiting decision DC/26/2811/FUL

White Gables Cliff Road Waldringfield Woodbridge Suffolk IP12 4QL

Construction of a rear single storey extension, a front porch extension, construction of a front dormer window and other alterations.

Full Application East Suffolk
18 Aug 2026 Awaiting decision DC/26/2865/FUL

Poplar Farm Silverleys Green Cratfield Suffolk IP19 0QJ

Conversion of an existing agricultural barn to a residential annexe.

Full Application East Suffolk
18 Aug 2026 Awaiting decision DC/26/2866/LBC

Poplar Farm Silverleys Green Cratfield Suffolk IP19 0QJ

Listed Building Consent - Conversion of an existing agricultural barn to a residential annexe.

Listed Building Consent East Suffolk
18 Aug 2026 Awaiting decision DC/26/2871/FUL

9 Westland Martlesham Heath Martlesham Ipswich Suffolk IP5 3SU

Single Storey rear extension

Full Application East Suffolk
17 Aug 2026 Awaiting decision DC/26/2914/FUL

3 Chandos Drive Martlesham Woodbridge Suffolk IP12 4ST

Rear single storey extension to existing dwelling

Full Application East Suffolk
17 Aug 2026 Awaiting decision DC/26/2414/FUL

18 Cherry Tree Road Woodbridge Suffolk IP12 4BL

Demolish existing porch. Erect new porch.

Full Application East Suffolk
17 Aug 2026 Awaiting decision DC/26/2663/FUL

1 Granary Cottages Main Road Darsham Saxmundham Suffolk IP17 3PH

Single Storey Rear Extension

Full Application East Suffolk
14 Aug 2026 Awaiting decision DC/26/2895/FUL

Church Farm The Street Eyke Woodbridge Suffolk IP12 2QG

Erection of agricultural roof extensions and siting of rainwater harvesting tanks

Full Application East Suffolk
13 Aug 2026 Awaiting decision DC/26/2681/FUL

65 Barton Road Woodbridge Suffolk IP12 1JH

Retrospective Application - Retention of garden room for use as hair salon

East Suffolk
13 Aug 2026 Awaiting decision DC/26/2822/FUL

2 Lodge Farm Cottages London Road Shadingfield Beccles Suffolk NR34 8DE

Single storey extension to rear of property, new porch, cart lodge and workshop

Full Application East Suffolk
13 Aug 2026 Awaiting decision DC/26/2842/FUL

25 Swan Close Martlesham Heath Martlesham Ipswich Suffolk IP5 3SD

Detached garden room

Full Application East Suffolk
13 Aug 2026 Awaiting decision DC/26/2856/FUL

The Firs Jackson Road Newbourne Woodbridge Suffolk IP12 4NR

Construction of garage

Full Application East Suffolk
13 Aug 2026 Awaiting decision DC/26/2838/FUL

Land To The Rear Of 4 Thoroughfare Halesworth Suffolk

Retrospective Change of Use to beer garden for use with The Tap Room including erection of shed, boundary fencing / posts and site fencing

Full Application East Suffolk
13 Aug 2026 Awaiting decision DC/26/2875/FUL

Harbour House Manor Close Walberswick Southwold Suffolk IP18 6UQ

Construction of two single storey garden rooms

Full Application East Suffolk
13 Aug 2026 Awaiting decision DC/26/2870/CLP

Walnut Tree House Low Road Kelsale Cum Carlton Saxmundham Suffolk IP17 2NU

Certificate of Lawful use (Proposed) - To create a new window opening 1200mm wide x 900mm high in side elevation and install a new rosewood (brown) ca...

Lawful Development Certificate(Proposed) East Suffolk
12 Aug 2026 Awaiting decision DC/26/2877/FUL

12 Skamacre Crescent Lowestoft Suffolk NR32 2QG

Single storey rear extension

Full Application East Suffolk
12 Aug 2026 Awaiting decision DC/26/2719/FUL

136 Yarmouth Road Lowestoft Suffolk NR32 4AQ

Erection of a wood summerhouse. Width 6.00m. Depth 4.00m. Height 2.50m.

Full Application East Suffolk
12 Aug 2026 Awaiting decision DC/26/2800/FUL

3 Penny Lane Oulton Lowestoft Suffolk NR32 3HE

First floor extension above existing garage and associated works

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

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