House extensions in Middlesbrough

Middlesbrough received 184 householder applications in the last 12 months - about 4 a week. Garage works and porches are the most common. Of the 142 decided so far, 127 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 49 of 49 applications
Yesterday Registered 26/0444/FUL

65 Green Lane , Middlesbrough , TS5 7SN

Construction of a vehicular access including dropped kerb to front

Full Planning Middlesbrough
22 Oct 2026 Pending Consideration 26/0460/FUL

70, The Grove, Middlesbrough, TS7 8AJ

Single storey extension to rear

Full Planning Middlesbrough
22 Oct 2026 Registered 26/0403/FUL

45, Ruskin Avenue, Middlesbrough, TS5 8PG

Retrospective erection of outbuilding to rear

Full Planning Middlesbrough
20 Oct 2026 Pending Consideration 26/0467/FUL

16, Chandlers Ridge, Middlesbrough, TS7 0JL

Single storey extension to front (between main dwelling and garage)

Full Planning Middlesbrough
20 Oct 2026 Pending Consideration 26/0463/FUL

18, Chandlers Ridge, Middlesbrough, TS7 0JL

Single storey extension to side, first floor extension to rear and fenestration alterations to front

Full Planning Middlesbrough
14 Oct 2026 Pending Consideration 26/0459/FUL

17, Eastbourne Road, Middlesbrough, TS5 6QS

Two storey extension to side and part single storey, part two storey extension to rear

Full Planning Middlesbrough
12 Oct 2026 Pending Consideration 26/0453/FUL

23, Fencote Grange, Middlesbrough, TS7 0AU

Erection of Single storey outbuilding to rear

Full Planning Middlesbrough
12 Oct 2026 Pending Consideration 26/0451/CLD

19, Okehampton Drive, Middlesbrough, TS7 8JT

Certificate of Lawful Development for single storey extension to the rear

Certificate of Lawful Development Middlesbrough
8 Oct 2026 Pending Consideration 26/0449/FUL

56, Jocelyn Way, Middlesbrough, TS5 8FA

Single storey extension to rear

Full Planning Middlesbrough
7 Oct 2026 Pending Consideration 26/0440/FUL

7 - 11, Simpson Street, Middlesbrough, TS5 6HP

Erection of first floor and ground floor extensions , external cladding and internal alterations

Full Planning Middlesbrough
7 Oct 2026 Pending Consideration 26/0418/FUL

Dimples Stainton Day Nursery, Low Lane, Middlesbrough, TS17 9LW

Single storey extension to classroom, entrance rearrangement and installation of play area

Full Planning Middlesbrough
2 Oct 2026 Pending Consideration 26/0437/FUL

445, Acklam Road, Middlesbrough, TS5 7HB

Single storey extension to rear and alterations to windows to side elevation

Full Planning Middlesbrough
1 Oct 2026 Pending Consideration 26/0422/FUL

69, Fox Howe, Middlesbrough, TS8 0RX

Erection of a single-storey side extension to the existing dwelling, with associated alterations

Full Planning Middlesbrough
30 Sept 2026 Decided 16 Oct 26/0430/NYCON

Tree Bridge Cottage, Nunthorpe Village Road, Nunthorpe, North Yorkshire, TS7 0NS

Single storey extension to side and rear of dwelling, garage conversion into habitable room, raising roof of garage and installation of staircase to f...

Middlesbrough
24 Sept 2026 Pending Consideration 26/0420/FUL

104, Clevegate, Middlesbrough, TS7 0RB

Retrospective installation of fence to side and rear

Full Planning Middlesbrough
16 Sept 2026 Pending Consideration 26/0408/FUL

13, Stokesley Road, Middlesbrough, TS7 0NB

Retrospective installation of porch to front, enclosure of car port for the creation of garage including new garage shutter door and log burner flue t...

Full Planning Middlesbrough
16 Sept 2026 Pending Consideration 26/0405/FUL

54, Hall Drive, Middlesbrough, TS5 7ET

Erection of 2no. extensions to side and rear

Full Planning Middlesbrough
15 Sept 2026 Pending Consideration 26/0409/FUL

16, Lambeth Road, Middlesbrough, TS5 6EB

Single storey extension to rear (Demolition of existing single storey extension)

Full Planning Middlesbrough
15 Sept 2026 Pending Consideration 26/0378/FUL

Blue Bell Hotel, Acklam Road, Middlesbrough, TS5 7HL

Retrospection erection of pergola and fencing including painted mural

Full Planning Middlesbrough
7 Sept 2026 Pending Consideration 26/0375/FUL

6, Maltby Road, Middlesbrough, TS8 9BU

Single storey extension to side (Demolition of existing shed)

Full Planning Middlesbrough
3 Sept 2026 Pending Consideration 26/0394/FUL

17 Levick Crescent, Middlesbrough, TS5 4RL

Two storey side extension including some window/door repositioning

Full Planning Middlesbrough
3 Sept 2026 Approved 2 Oct 26/0390/PNH

3, Cleveland Drive, Middlesbrough, TS7 8AE

Single storey extension to rear (Length 6m, Height 2.925m, Eaves 2.725m)

Prior Notification Householder Middlesbrough
2 Sept 2026 Pending Decision 26/0380/FUL

278-280, Linthorpe Road, Middlesbrough, TS1 3QS

Single storey extension to side

Full Planning Middlesbrough
27 Aug 2026 Pending Decision 26/0376/FUL

19, Strait Lane, Middlesbrough, TS8 9BB

Erection of veranda and solar panels to rear

Full Planning Middlesbrough
27 Aug 2026 Pending Decision 26/0340/FUL

5, Astbury, Middlesbrough, TS8 9XT

Retrospective conversion of double garage to form habitable room and single garage. Works including external alterations to include new window, new si...

Full Planning Middlesbrough
27 Aug 2026 Approved 7 Oct 26/0299/FUL

Alley to the rear of Linden Grove, Middlesbrough, TS5 5NE

Installation of 2no. alley gates

Full Planning Middlesbrough
26 Aug 2026 Approved 13 Oct 26/0387/FUL

The Bridge Veterinary Hospital, Victoria Street, Middlesbrough, TS1 5QZ

Single storey extensions to side and rear and new dog walking area and bin store

Full Planning Middlesbrough
25 Aug 2026 Approved 15 Oct 26/0379/FUL

Blue Bell Hotel, Acklam Road, Middlesbrough, TS5 7HL

Installation of 2no. gates to rear yard

Full Planning Middlesbrough
25 Aug 2026 Approved 21 Sep 26/0374/PNH

9, Urlay Grove, Middlesbrough, TS5 8LB

Single storey extension to rear (Length 4m, Height 3.45m, Eaves 2.5m)

Prior Notification Householder Middlesbrough
19 Aug 2026 Approved 21 Oct 26/0359/FUL

41, Eastbourne Road, Middlesbrough, TS5 6QN

Retrospective erection of single storey extension to rear (for use as storage associated with the existing hot food takeaway)

Full Planning Middlesbrough
18 Aug 2026 Approved 16 Sep 26/0339/PNH

90, Westminster Road, Middlesbrough, TS5 6NP

Single storey extension to rear (Length 6m, Height 3m, eaves 2.8m)

Prior Notification Householder Middlesbrough
17 Aug 2026 Approved 1 Oct 26/0367/FUL

93 Chalford Oaks, Middlesbrough, TS5 8QQ

Retrospective single storey extension to rear

Full Planning Middlesbrough
14 Aug 2026 Approved 15 Oct 26/0360/FUL

Thistle Hill, Coulby Manor Way, Middlesbrough, TS8 0RP

Single storey extension to rear with part raising of existing flat roof, replacement of an existing roof with raised level, including dormers to front...

Full Planning Middlesbrough
13 Aug 2026 Approved 7 Oct 26/0361/FUL

31, Westwood Avenue, Middlesbrough, TS5 5PX

Single storey extension to rear

Full Planning Middlesbrough
12 Aug 2026 Pending Consideration 26/0347/FUL

4, Stainton House, Marwood Wynd, Middlesbrough, TS8 9AD

Reconfiguration of rear garden landscaping to form three tiered levels

Full Planning Middlesbrough
11 Aug 2026 Pending Consideration 26/0321/FUL

2- 4, Lorne Street, Middlesbrough, TS1 5QY

Retrospective erection of infill extension to rear

Full Planning Middlesbrough
11 Aug 2026 Pending Consideration 26/0309/FUL

Grange Farm, Church Lane, Middlesbrough, TS7 0PD

Single storey extension to side (demolition of existing single storey extension and garage)

Full Planning Middlesbrough
11 Aug 2026 Pending Consideration 26/0342/FUL

25, Heythrop Drive, Middlesbrough, TS5 8QA

Two storey extension to side comprising of car port, single storey extension to rear and widening of access to the front boundary treatment

Full Planning Middlesbrough
10 Aug 2026 Approved 8 Oct 26/0320/FUL

78, 1, INWOOD LODGE, The Grove, MIDDLESBROUGH, TS7 8AP

Single storey extension with concealed flat roof to rear, including installation of roof light and associated alterations with glazed doors

Full Planning Middlesbrough
7 Aug 2026 Approved 25 Sep 26/0350/FUL

76, Highfield Road, Middlesbrough, TS4 2QP

Retrospective alterations to existing garage for the creation of an annexe

Full Planning Middlesbrough
5 Aug 2026 Approved 26 Oct 26/0336/FUL

29, Kader Avenue, Middlesbrough, TS5 8NG

Single storey extension to side and rear

Full Planning Middlesbrough
5 Aug 2026 Approved 13 Oct 26/0317/FUL

2, Whenby Nook, Middlesbrough, TS7 0BD

Single storey side extension to rear with parapet roof

Full Planning Middlesbrough
5 Aug 2026 Approved 25 Sep 26/0286/FUL

89, Earlsdon Avenue, Middlesbrough, TS5 8SU

Retrospective Single storey extension to rear (demolition of existing conservatory)

Full Planning Middlesbrough
4 Aug 2026 Approved 25 Sep 26/0327/FUL

St Marys Cathedral, Dalby Way, Middlesbrough, TS8 0TW

Erection of 2no. Single storey extensions to Parish hall, including erection of staircases to north and south east elevations

Full Planning Middlesbrough
3 Aug 2026 Approved 25 Sep 26/0341/FUL

24, Eastbourne Road, Middlesbrough, TS5 6QW

Proposed replacement tiles like for like (slate)

Full Planning Middlesbrough
3 Aug 2026 Approved 28 Sep 26/0334/FUL

9 Tewkesbury Avenue, Middlesbrough, TS7 8NB

Dormer window extension to front

Full Planning Middlesbrough
30 Jul 2026 Approved 8 Oct 26/0335/FUL

7, Tirril Way, Middlesbrough, TS7 8PN

Single storey extension to side and rear (demolition of existing garage)

Full Planning Middlesbrough
29 Jul 2026 Refused 22 Sep 26/0319/FUL

47 Ruskin Avenue, Middlesbrough, TS5 8PG

Retrospective single storey extension to garage

Full Planning Middlesbrough
29 Jul 2026 Approved 16 Sep 26/0279/FUL

65, The Avenue, Middlesbrough, TS5 6QU

Retrospective installation of block paving to front (removal of existing tarmac)

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

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