House extensions in Derby

Derby received 464 householder applications in the last 12 months - about 9 a week. Rear extensions and side extensions are the most common. Of the 287 decided so far, 258 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 155 applications
Yesterday Pending 26/01051/FUL

35 North Street Derby DE1 3AZ

Replacement of windows and removal of render to the front elevation

Derby
2 days ago Pending Consideration 26/01204/PNRH

54 Donington Drive Derby DE23 1NA

Single storey rear extension (projecting beyond the rear wall of the original house by 6m, maximum height 3.78m, height to eaves 3m) to dwelling hous

Prior Approval - Householder Derby
2 days ago Pending Consideration 26/01182/FUL

68 The Chase Derby DE24 9PD

Single storey front and two storey side extension to dwelling house (study, wet room and two bedrooms) and retention of an outbuilding (garden annexe)

Full Application Derby
8 Sept 2026 Pending 26/01195/FUL

211 Village Street Derby DE23 8DE

Single storey rear extension to dwelling house (utility and enlargement of kitchen), alterations to front porch and the existing garage to include rai...

Full Application Derby
8 Sept 2026 Pending 26/01188/FUL

3 Bramble Street Derby DE1 1HU

Change of use from offices (Use Class E) to a six bedroom (six occupant) house in multiple occupation (Use Class C4) together with erection of dormer ...

Full Application Derby
8 Sept 2026 Pending Consideration 26/01191/FUL

1 And 3 Laburnum Grove Derby DE22 4AX

Installation of a new hipped roof with rooflights to form rooms in the roof spaces (bedrooms with en-suites)

Derby
7 Sept 2026 Pending 26/01187/FUL

52 Robincroft Road Derby DE22 2FR

Single storey rear extension (bedroom and dining area) to dwellinghouse

Derby
7 Sept 2026 Pending 26/01183/PNRH

61 Becher Street Derby DE23 8NP

Single storey rear extension (projecting beyond the rear wall of the original house by 5m, maximum height 3.05m, height to eaves 3m) to dwelling house

Derby
7 Sept 2026 Pending 26/01001/FUL

69 Balfour Road Derby DE23 8UP

Single storey side and rear extensions to dwelling house (shower room and living space)

Full Application Derby
4 Sept 2026 Pending Consideration 26/01169/FUL

5 Derwent Avenue Derby DE22 2DP

Single storey side/rear extension to dwelling house (garage and dining area/snug)

Full Application Derby
4 Sept 2026 Pending Consideration 26/01122/FUL

11 Farncombe Lane Derby DE21 2AY

Single storey front extension to dwelling (lobby and w.c) together with installation of log burner flue

Derby
3 Sept 2026 Pending 26/01166/FUL

16 Shakespeare Street Derby DE24 9HF

Single storey front extension to dwelling house (porch)

Full Application Derby
2 Sept 2026 Pending Consideration 26/01164/LBA

11 And 13 Mile Ash Lane Derby DE22 1DD

Installation of replacement roof slates - retrospective application

Listed Building Consent-Alterations/Demo Derby
28 Aug 2026 Pending 26/01145/FUL

24 Ford Lane Derby DE22 2EW

Single storey side extension (kitchen and utility) to dwelling house

Full Application Derby
28 Aug 2026 Pending 26/01147/FUL

4A Dulwich Road Derby DE22 4HG

First floor side extension (bedroom) to dwelling house

Full Application Derby
28 Aug 2026 Pending 26/01148/PNRH

37 Alport Heights Drive Derby DE21 2AD

Single storey rear extension (projecting beyond the rear wall of the original house by 3.8m, maximum height 3m, height to eaves 2.7m) to dwelling hous...

Prior Approval - Householder Derby
27 Aug 2026 Pending Consideration 26/01137/FUL

1 Farnham Close Derby DE3 0RE

Two storey side extension (living space, entrance lobby, WC and additional bedroom and bathroom) to dwelling house

Derby
27 Aug 2026 Pending 26/01138/FUL

482 Duffield Road Derby DE22 2DJ

Two storey side and rear and single storey front and rear extensions to dwelling house (porch, sitting room, wet room, utility, pantry, kitchen/dining...

Full Application Derby
26 Aug 2026 Pending 26/01135/FUL

93 Leacroft Road Derby DE23 8HU

Single storey rear extension to dwelling house (utility room and toilet)

Full Application Derby
26 Aug 2026 Pending Consideration 26/01134/FUL

6 Jackson Avenue Derby DE3 9AR

Two storey side and two storey/single storey rear extensions to dwelling house (four bedrooms, four ensuites and enlargement of kitchen/diner)

Full Application Derby
26 Aug 2026 Pending 26/01132/CLP

50 Colwyn Avenue Derby DE23 6HG

Installation of rear dormer to form room within the roofspace (bedroom) together with formation of juliet balcony

Derby
26 Aug 2026 Pending 26/01133/PNRH

141 Swarkestone Road Derby DE73 6UD

Single storey rear extension (projecting beyond the rear wall of the original house by 6m, maximum height 3.3m, height to eaves 2.95m) to dwelling hou...

Prior Approval - Householder Derby
25 Aug 2026 Pending 26/01123/FUL

1 North Avenue Darley Abbey Derby DE22 1EZ

Single storey front and rear extensions to dwelling house (w.c. and enlargement of kitchen) together with installation of raised decking area

Full Application Derby
25 Aug 2026 Pending Consideration 26/01124/CLP

79 Stoney Lane Derby DE21 7QG

Single storey rear extension to dwelling house (kitchen/diner and utility room)

Lawful Development Certificate -Proposed Derby
25 Aug 2026 Pending Consideration 26/01117/FUL

643 Nottingham Road Derby DE21 6RU

Alterations to garage roof together with associated landscaping including enlargement of patio, retaining wall and hard standing

Full Application Derby
24 Aug 2026 Pending Consideration 26/01105/FUL

29 Sadler Gate Derby DE1 3NL

Change of use of first and second floors from commercial, business and service (Use Class E) to two flats (Use Class C3) and alterations to the rear e...

Full Application Derby
23 Aug 2026 Pending Consideration 26/01119/CLP

23 Hatchmere Close Derby DE21 2HP

Erection of single storey rear extension to dwelling house (lounge)

Lawful Development Certificate -Proposed Derby
21 Aug 2026 Pending Consideration 26/01111/FUL

164 Danebridge Crescent Derby DE21 2HF

Single storey side/rear extension to dwelling house (kitchen/dining area, utility, en-suite and bedroom)

Derby
21 Aug 2026 Pending Consideration 26/01113/FUL

26 Westcroft Avenue Derby DE23 1NN

Single storey rear extension to dwelling house

Full Application Derby
20 Aug 2026 Pending Consideration 26/01089/FUL

1 Hardwick Drive Derby DE3 9BN

Two storey side and rear extensions to dwelling house (prayer room, office, utility, living room, kitchen/diner, bedroom and ensuite) together with al...

Full Application Derby
20 Aug 2026 Pending Consideration 26/00892/FUL

39 Baxter Square Derby DE23 8BG

Single storey rear extension to dwelling house (conservatory)

Full Application Derby
19 Aug 2026 Pending Consideration 26/01069/CLP

6 West Park Road Derby DE22 1GG

Single storey side/rear extension to dwelling house (enlargement of kitchen/dining room)

Derby
19 Aug 2026 Pending Consideration 26/01099/FUL

45 Church Lane Darley Abbey Derby DE22 1EX

Single storey rear extension to dwelling (kitchen/dining area), installation of front and rear dormers to form rooms in the roof space (two bedrooms, ...

Full Application Derby
18 Aug 2026 Pending Consideration 26/01095/FUL

41 Gilbert Street Derby DE24 0LE

Single storey side extension (conservatory)

Full Application Derby
18 Aug 2026 Pending Consideration 26/01078/FUL

1 Mill Hill Road Derby DE23 6SF

Single storey rear extension to flat 2 (annexe accommodation)

Full Application Derby
18 Aug 2026 Pending Consideration 26/00666/FUL

25 Highfield Road Littleover Derby DE23 1DH

Change of use from a dwelling house (Use Class C3) to a residential children's home for a maximum of two children (Use Class C2) together with a singl...

Full Application Derby
18 Aug 2026 Pending Consideration 26/01093/FUL

7 Hillside Road Derby DE21 7RA

Single story side extension to dwelling house (kitchen, dining room and utility room)

Full Application Derby
17 Aug 2026 Pending Consideration 26/01094/FUL

86 Brackens Lane Derby DE24 0AP

Single storey side extension to dwellinghouse (wetroom)

Full Application Derby
17 Aug 2026 Pending Consideration 26/01086/FUL

Unit A 182 - 184 Normanton Road Derby DE23 6UX

Subdividing existing building into two separate commercial units at ground floor level and serviced office accommodation at upper levels (Use Class E)...

Full Application Derby
17 Aug 2026 Pending Consideration 26/00703/FUL

4 St Johns Terrace Derby DE1 3LJ

Installation of replacement windows to the front and rear elevations

Full Application Derby
17 Aug 2026 Pending Consideration 26/00704/LBA

4 St Johns Terrace Derby DE1 3LJ

Installation of replacement windows to the front and rear elevations and removal of stud walls and one supporting wall

Listed Building Consent-Alterations/Demo Derby
17 Aug 2026 Pending Consideration 26/01085/FUL

69 Peet Street Derby DE22 3RF

Single storey rear extension to dwelling house (kitchen and dining room) and erection of an outbuilding - retrospective application

Full Application Derby
14 Aug 2026 Pending Consideration 26/00235/FUL

836 - 838 Osmaston Road Derby DE24 9ZT

Sub-division of retail unit to form one retail unit (Use Class E) and a hot food takeaway (Sui Generis), formation of two new door openings and instal...

Full Application Derby
14 Aug 2026 Pending Consideration 26/01077/FUL

29 Fairfax Road Derby DE23 6RX

Single storey rear extension to dwelling house (store) - retrospective application

Full Application Derby
13 Aug 2026 Pending Consideration 26/01074/FUL

1068 London Road Derby DE24 8QA

Change of use from an eight bedroom house in multiple occupation (Sui Generis) to six flats (Use Class C3) together with a two storey rear extension a...

Full Application Derby
13 Aug 2026 Pending Consideration 26/00984/FUL

53 Trowels Lane Derby DE22 3LT

Single storey front, side and rear extensions to dwelling house (porch, canopy, w.c, kitchen/diner, utility and bedroom/office)

Full Application Derby
13 Aug 2026 Decided 26/01066/PNRH

157 Reginald Road North Derby DE21 6HU

Single storey rear extension (projecting beyond the rear wall of the original house by 3.3m, maximum height 3.5m, height to eaves 2.6m) to dwelling ho...

Prior Approval - Householder Derby
12 Aug 2026 Pending Consideration 26/01060/FUL

Overfields Lodge The Green Mickleover Derby DE3 0DE

Demolition and reconstruction of the front boundary wall

Derby
11 Aug 2026 Pending Consideration 26/01044/FUL

10 Cloverdale Drive Derby DE24 3JP

Erection of glazed canopy (Retrospective Application)

Full Application Derby
11 Aug 2026 Pending Consideration 26/01019/FUL

9 St Thomas Road Derby DE23 8RF

Change of use of the ground floor from residential (Use Class C3) to storage (Use Class B8), conversion of first floor to a flat (Use Class C3) includ...

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

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