House extensions in Ipswich

Ipswich received 203 householder applications in the last 12 months - about 4 a week. Rear extensions and side extensions are the most common. Of the 73 decided so far, 64 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 76 applications
2 days ago Pending Consideration 26/00673/FUL

114 Westerfield Road Ipswich Suffolk IP4 2XW

Alterations to existing pitched roof to form flat roof and erection of single-storey flat roof rear extension with lantern rooflight.

Ipswich
2 days ago Pending Consideration 26/00675/CLD

41 Ribbans Park Road Ipswich Suffolk IP3 8XL

Certificate of Lawful Development for the erection of a garden room measuring 4.0m (W) x 3.0m (L) x 3.0m (H).

Ipswich
2 days ago Pending Consideration 26/00668/PDE

34 Heath Road Ipswich Suffolk IP4 5SA

Prior notification of proposed erection of single-storey rear extension projecting 4.93m from the original rear wall of the building with a maximum ov...

Ipswich
8 Sept 2026 Pending Consideration 26/00679/FUL

The Stables Thurleston Nurseries Thurleston Lane Ipswich Suffolk

Formation of hip roof with 2no. rooflights, addition of windows and cladding to northern (front) fa�ade of dwelling

Ipswich
7 Sept 2026 Pending Consideration 26/00674/FUL

26 - 32 Carr Street Ipswich Suffolk

Installation of 71no. new windows to north, east and west elevations of building.

Ipswich
7 Sept 2026 Pending Consideration 26/00670/PDE

13 Parnell Close Ipswich Suffolk IP1 6SR

Prior notification of proposed erection of single-storey rear extension (conservatory) projecting 4.0m from the original rear wall of the dwelling wit...

Ipswich
7 Sept 2026 Pending Consideration 26/00664/PDE

74 Hawke Road Ipswich Suffolk IP3 0JD

Prior notification of the erection of a single-storey rear extension projecting 4.8m from the original rear wall of the dwelling with a maximum overal...

Ipswich
7 Sept 2026 Pending Consideration 26/00579/FUL

5 Hilton Road Ipswich Suffolk IP3 9RQ

Erection of a single-storey rear and side extension.

Ipswich
4 Sept 2026 Pending Consideration 26/00669/CLD

22 St Augustine Road Ipswich Suffolk IP3 8PT

Application for lawful development certificate for proposed siting of mobile home in rear garden to be used as an annexe ancillary to 22 St Augustine ...

Ipswich
4 Sept 2026 Pending Consideration 26/00667/PDE

43 Blandford Road Ipswich Suffolk IP3 8SQ

Prior notification of the erection of a single-storey rear extension projecting 6m from the original rear wall of the dwelling with a maximum overall ...

Ipswich
28 Aug 2026 Pending Consideration 26/00659/FUL

26 Bucklesham Road Ipswich Suffolk IP3 8TN

Erection of sliding gates to driveway entrance and modifications to front boundary wall.

Ipswich
27 Aug 2026 Pending Consideration 26/00639/FUL

28 Glamorgan Road Ipswich Suffolk IP2 8QJ

Erection of a single-storey pitched roof rear extension and increase in height of the existing rear extension.

Ipswich
27 Aug 2026 Pending Consideration 26/00653/FUL

3 Valley Road Ipswich Suffolk IP1 4EE

Conversion of ground floor and first floor flats into a single dwelling house including alterations plus erection of single-storey rear extension.

Ipswich
27 Aug 2026 Pending Consideration 26/00651/FUL

41 Cumberland Street Ipswich Suffolk IP1 3PA

Erection of single-storey rear extension and rebuilding of rear attached outbuilding.

Ipswich
26 Aug 2026 Pending Consideration 26/00645/FUL

4 Firefly Way Ipswich Suffolk IP3 9TP

Conversion of existing garage into residential annexe and erection of free-standing car port.

Ipswich
25 Aug 2026 Pending Consideration 26/00644/FUL

90 Chilton Road Ipswich Suffolk IP3 8PE

Erection of garden room with attached store.

Ipswich
24 Aug 2026 Pending Consideration 26/00643/CLD

52 Marlborough Road Ipswich Suffolk IP4 5BA

Certificate of Lawful Development relating to a proposed loft conversion, including front facing roof lights and rear facing dormer.

Ipswich
24 Aug 2026 Pending Consideration 26/00637/FUL

15 Princes Street Ipswich Suffolk IP1 1PH

Change of use from Use Class E (offices) to Class F (community meeting/reading room, exhibition hall and shop) and replacement of window with aluminiu...

Ipswich
24 Aug 2026 Pending Consideration 26/00641/FUL

44 Dale Hall Lane Ipswich Suffolk IP1 3RY

Erection of storage shed on front drive.

Ipswich
24 Aug 2026 Pending Consideration 26/00638/FUL

25 Wilberforce Street Ipswich Suffolk IP1 2JW

Erection of single-storey rear extension.

Ipswich
24 Aug 2026 Pending Consideration 26/00596/FUL

1 Fitzmaurice Road Ipswich Suffolk IP3 9AX

Demolition of existing side extension and construction of a new dwelling. Extension of dropped kerb and footway crossing off Pretyman Road for propose...

Ipswich
21 Aug 2026 Pending Consideration 26/00582/FUL

15 Spring Road Ipswich Suffolk IP4 2RX

Erection of a single-storey side extension (Retrospective).

Ipswich
19 Aug 2026 Pending Consideration 26/00629/FUL

Church Of Ascension 67 Larchcroft Road Ipswich Suffolk IP1 6AN

Erection of detached storage outbuilding to replace previously demolished storage building.

Ipswich
18 Aug 2026 Pending Consideration 26/00630/PDE

59 Bennett Road Ipswich Suffolk IP1 5HX

Prior notification of the erection of a single-storey flat-roof rear extension projecting 3.5m from the original rear wall of the dwelling with a maxi...

Ipswich
18 Aug 2026 Pending Consideration 26/00617/FUL

181 Cauldwell Hall Road Ipswich Suffolk IP4 5DA

Change of use of 179 Cauldwell Hall Road from single dwelling to shop and animal welfare centre and first floor flat, subsumed into 181 Cauldwell Hall...

Ipswich
18 Aug 2026 Pending Consideration 26/00578/FUL

1 St Johns Road Ipswich Suffolk IP4 5BU

Erection of car port, provision of 3no. parking spaces, associated hard landscaping, alteration to boundary treatments, installation of soakaway and i...

Ipswich
14 Aug 2026 Pending Consideration 26/00623/LBC

35 Princes Street Ipswich Suffolk IP1 1PU

Removal of office partitions to the first, second, third and fourth floors.

Ipswich
13 Aug 2026 Pending Consideration 26/00608/FUL

8 Whinchat Close Ipswich Suffolk IP2 0RW

Single storey rear/side extension, and single storey outbuilding.

Ipswich
11 Aug 2026 Pending Consideration 26/00534/FUL

6 Chaser Close Ipswich Suffolk IP3 9UB

Conversion of garage to bedroom accommodation with en-suite with associated external alterations, for use as annex.

Ipswich
10 Aug 2026 Pending Consideration 26/00604/FUL

6 Winston Avenue Ipswich Suffolk IP4 3LS

Erection of detached garage with canopy link roof.

Ipswich
10 Aug 2026 Pending Consideration 26/00602/FUL

101 Clapgate Lane Ipswich Suffolk IP3 0RA

Erection of single-storey outbuilding in rear garden (retrospective application).

Ipswich
10 Aug 2026 Pending Consideration 26/00600/FUL

23 Medway Road Ipswich Suffolk IP3 0QJ

Erection of single-storey rear extension.

Ipswich
10 Aug 2026 Pending Consideration 26/00593/FUL

79 Alexandra Road Ipswich Suffolk IP4 2RN

Erection of two-storey side extension.

Ipswich
7 Aug 2026 Pending Consideration 26/00598/FUL

53 Sheldrake Drive Ipswich Suffolk IP2 9NP

Erection of single-storey side extension following demolition of existing attached garage, and erection of single-storey rear extension.

Ipswich
7 Aug 2026 Pending Consideration 26/00597/FUL

22 Martin Road Ipswich Suffolk IP2 8BJ

Erection of part single-storey, part two-storey rear extension.

Ipswich
7 Aug 2026 Pending Consideration 25/00015/FUL

129 Valley Road Ipswich Suffolk IP1 4PQ

Erection of single-storey rear extension, first floor side extension and alteration of facing materials from brick to weather boarding ('Hardie-Plank'...

Ipswich
5 Aug 2026 Pending Consideration 26/00577/FUL

30 Trent Road Ipswich Suffolk IP3 0QL

Erection of single storey rear extension following partial demolition of existing rear extension. [Part Retrospective].

Ipswich
4 Aug 2026 Pending Consideration 26/00590/FUL

221 Valley Road Ipswich Suffolk IP4 3AH

Erection of part single-storey part two-storey side/rear extension.

Ipswich
4 Aug 2026 Pending Consideration 26/00584/FUL

108 London Road Ipswich Suffolk IP1 2HG

Change of use from accommodation for homeless families (Sui Generis) to HMO with ten bedrooms (twenty persons) plus installation of replacement extern...

Ipswich
3 Aug 2026 Pending Consideration 26/00572/FUL

26 The Avenue Ipswich Suffolk IP1 3TB

Alterations to the front of the house comprising: removal of the existing porch structure, bay window, garden gates, pergola, one garage door, and chi...

Ipswich
31 Jul 2026 Pending Consideration 26/00490/CLD

30 High Street Ipswich Suffolk IP1 3QJ

Certificate of lawful development for the renewal of timber doors, casement and sash windows; including double glazed upvc windows and composite doors...

Ipswich
27 Jul 2026 Pending Consideration 26/00559/FUL

Tented Building Eagle Wharf Ipswich Suffolk IP3 0FQ

Removal of the existing timber boundary posts and associated enclosure surrounding the established restaurant external seating area, and installation ...

Ipswich
27 Jul 2026 Pending Consideration 26/00494/LBC

5 St Johns Road Ipswich Suffolk IP4 5BU

Replacement of wood burning stove and basement door.

Ipswich
24 Jul 2026 Pending Consideration 26/00560/FUL

46 Starfield Close Ipswich Suffolk IP4 5JQ

Conversion of part of existing garage to habitable space, raising roof line of garage to accommodate, and erection of single-storey rear extension.

Ipswich
23 Jul 2026 Pending Consideration 26/00549/FUL

73 St Johns Road Ipswich Suffolk IP4 5DE

Cladding of road facing elevations with red facing brick slips on backing board after removal of horizontal cladding.

Ipswich
21 Jul 2026 Pending Consideration 26/00535/FUL

549 Bramford Lane Ipswich Suffolk IP1 5JU

Erection of single-storey rear extension following demolition of existing rear conservatory and sun lounge.

Ipswich
21 Jul 2026 Pending Consideration 26/00545/FUL

78 Chelsworth Avenue Ipswich Suffolk IP4 3AZ

Demolition of garage and rear extension, and erection of single-storey rear and side extension.

Ipswich
20 Jul 2026 Pending Consideration 26/00537/FUL

92 Clapgate Lane Ipswich Suffolk IP3 0RE

Erection of outhouse for recreational use. (Retrospective application).

Ipswich
20 Jul 2026 Pending Consideration 26/00536/FUL

10 Carlton Way Ipswich Suffolk IP4 2TR

Erection of single-storey rear extension and first floor side extension with garage conversion and entrance canopy.

Ipswich
15 Jul 2026 Pending Consideration 26/00527/FUL

89 Dover Road Ipswich Suffolk IP3 8JH

Erection of first-floor side and rear extension.

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

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