House extensions in Durham

Durham received 921 householder applications in the last 12 months - about 18 a week. Rear extensions and garage works are the most common. Of the 663 decided so far, 642 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 255 applications
Yesterday Pending Consideration DM/26/02822/FPA

44 Orchard Drive Durham DH1 1LA

Removal of the existing rear ground and first-floor conservatories and construction of a replacement two-storey rear extension

Full Planning Application Durham
21 Oct 2026 Pending Consideration DM/26/02809/FPA

Sandyford Farnley Mount Durham DH1 4DZ

Single-storey rear extension to replace an existing conservatory.

Full Planning Application Durham
21 Oct 2026 Pending Consideration DM/26/02807/FPA

10 Wilton Court Newton Aycliffe DL5 7PU

Proposed first-floor extension, garage conversion, window alterations and new rear bifold doors

Full Planning Application Durham
20 Oct 2026 Pending Consideration DM/26/02797/FPA

20 Bryans Leap Burnopfield Newcastle Upon Tyne NE16 6BW

Two storey front/side extension

Full Planning Application Durham
20 Oct 2026 Pending Consideration DM/26/02792/FPA

13 Grove Terrace Burnopfield Newcastle Upon Tyne NE16 6NP

Demolition of existing single-storey rear offshoot and construction of a full-width single-storey rear extension at lower ground floor level with balc...

Full Planning Application Durham
20 Oct 2026 Pending Consideration DM/26/02802/FPA

Stark Group Front Street Merrington Lane Spennymoor DL16 7RZ

Widening of existing access and egress point including provision of new kerbing and enlarged tarmac roadway.

Full Planning Application Durham
20 Oct 2026 Pending Consideration DM/26/02805/FPA

29 Hedley Terrace South Hetton Durham DH6 2UE

Single storey side and rear wrap-around extension

Full Planning Application Durham
19 Oct 2026 Pending Consideration DM/26/02801/CPO

12 Picktree Terrace Chester-le-Street DH3 3ST

Construction of rear dormer window

Certificate of Lawfulness Proposed Opera Durham
19 Oct 2026 Pending Consideration DM/26/02373/HPN

39 Lambton Court Peterlee SR8 1NG

Prior notification for the erection of a single-storey rear extension projecting 4m from the original north facing rear elevation of the host dwelling...

Householder Prior Notification Durham
19 Oct 2026 Pending Consideration DM/26/02537/FPA

1 Balfour Gardens Consett DH8 5JL

Erection of two storey extension to south and single storey conservatory to east

Full Planning Application Durham
16 Oct 2026 Pending Consideration DM/26/02778/FPA

70 Chestnut Way Newton Aycliffe DL5 7BF

Single storey extension to rear of property

Full Planning Application Durham
16 Oct 2026 Pending Consideration DM/26/02776/FPA

18 Colville Court East Stanley Stanley DH9 6UW

Infill porch extension to front with lean-to roof

Full Planning Application Durham
16 Oct 2026 Pending Consideration DM/26/02771/FPA

82 Thorntons Close Pelton Chester-le-Street DH2 1QH

Convert garage into a habitable room with link porch extension to main dwelling.

Full Planning Application Durham
16 Oct 2026 Pending Consideration DM/26/02782/FPA

25 Green Court Esh Durham DH7 9RY

Single storey replacement rear extension

Full Planning Application Durham
16 Oct 2026 Pending Consideration DM/26/02759/LB

Shincliffe Hall Hall Lane Shincliffe Durham DH1 2SY

Replace patio doors (retrospective)

Listed Building Consent Durham
15 Oct 2026 Pending Consideration DM/26/02767/PN56

Durham University Science Site South Road Durham DH1 3LE

Prior notification for a DDA Ramp and Steps under Part 7 Class M of the Town and Country Planning (General Permitted Development) Order 2015.

Prior Approval Scenarios Durham
15 Oct 2026 Pending Consideration DM/26/02751/FPA

Posh Muts Dog Grooming 57 Milton Close Seaham SR7 8AR

Construction of timber shed in rear garden (retrospective).

Full Planning Application Durham
14 Oct 2026 Pending Consideration DM/26/02189/FPA

Queens Chippy 1 Queen Alexandra Road Dawdon Seaham SR7 7QY

Proposed subground and ground level extension.

Full Planning Application Durham
14 Oct 2026 Pending Consideration DM/26/02472/FPA

Hobson Golf Club Hobson Newcastle Upon Tyne NE16 6BZ

Extension to the balcony of the club house

Full Planning Application Durham
14 Oct 2026 Pending Consideration DM/26/02241/FPA

Wesley House Moor Lane Kinninvie Barnard Castle DL12 8SA

First floor extension, balcony, alterations to existng rear extension

Full Planning Application Durham
14 Oct 2026 Pending Consideration DM/26/02144/FPA

York House 40 Market Place Bishop Auckland DL14 7NX

Change of windows from timber to UPVC

Full Planning Application Durham
14 Oct 2026 Pending Consideration DM/26/02682/FPA

36 Beverley Gardens Blackhill Consett DH8 0AQ

Extension over garage to provide bedroom and single storey extension to rear to provide kitchen/family room

Full Planning Application Durham
13 Oct 2026 Pending Consideration DM/26/02618/LB

1 The Square Greta Bridge Barnard Castle DL12 9SD

Conversion of the existing North-East Elevation window opening to form an external doorway, installation of an independent stone stair, landing and ha...

Listed Building Consent Durham
13 Oct 2026 Pending Consideration DM/26/02617/FPA

1 The Square Greta Bridge Barnard Castle DL12 9SD

Conversion of the existing North-East Elevation window opening to form an external doorway, installation of an independent stone stair, landing and ha...

Full Planning Application Durham
13 Oct 2026 Pending Consideration DM/26/02732/FPA

10 Ramside Park Carrville Durham DH1 1NS

New boundary walls to front of property to include lights, composite panelling and gates

Full Planning Application Durham
12 Oct 2026 Pending Consideration DM/26/02718/FPA

Weyms Farm Mickle Hill Road Hesleden Hartlepool TS27 4PY

Retention of detached kennel

Full Planning Application Durham
12 Oct 2026 Pending Consideration DM/26/02717/FPA

Weyms Farm Mickle Hill Road Hesleden Hartlepool TS27 4PY

Retention of the installation of gable bifold doors and enlargement of a kitchen window

Full Planning Application Durham
9 Oct 2026 Pending Consideration DM/26/02725/HPN

24 Raby Road Newton Hall Durham DH1 5NJ

Single story rear extension of 4m (L) x 3.5m (W) x 3m (H)

Householder Prior Notification Durham
9 Oct 2026 Pending Consideration DM/26/02661/FPA

Bienvenu Hill View No Place Stanley DH9 0QT

Canopy to front of the property

Full Planning Application Durham
9 Oct 2026 Pending Consideration DM/26/02713/LB

The Old Vicarage Church Square High Etherley Bishop Auckland DL14 0HN

retrospective application to redesignate two rooms; block up two internal door openings; create new door opening

Listed Building Consent Durham
9 Oct 2026 Pending Consideration DM/26/02616/FPA

8 Springwell Ingleton Darlington DL2 3JJ

Rear extension to the existing detached garage.

Full Planning Application Durham
8 Oct 2026 Pending Consideration DM/26/02688/FPA

Devon House The Dene Dalton-le-dale Seaham SR7 8QW

Demolition of existing rear conservatory and construction of new rear extension

Full Planning Application Durham
8 Oct 2026 Pending Consideration DM/26/02561/FPA

Sherburn House Farm Shincliffe Lane Sherburn House Durham DH1 2SQ

Retention of the relocation of fence within properties boundary

Full Planning Application Durham
8 Oct 2026 Pending Consideration DM/26/02395/LB

1 The Square Greta Bridge Barnard Castle DL12 9SD

Installation of a wood-burning stove flue through the conservatory roof.

Listed Building Consent Durham
7 Oct 2026 Pending Consideration DM/26/02669/FPA

3 Musgrave Gardens Gilesgate Durham DH1 1PN

Single storey front extension

Full Planning Application Durham
7 Oct 2026 Pending Consideration DM/26/02159/FPA

Rosscairn Durham Road Wheatley Hill Durham DH6 3LJ

Two storey rear extension and external alterations to front elevation

Full Planning Application Durham
7 Oct 2026 Pending Consideration DM/26/02636/FPA

36 Cutlers Hall Road Benfieldside Consett DH8 8RE

Creation of off-street parking with dropped kerb

Full Planning Application Durham
7 Oct 2026 Pending Consideration DM/26/02596/FPA

12 Pearl Street Shildon DL4 1JB

Single storey extension to the rear

Full Planning Application Durham
7 Oct 2026 Pending Consideration DM/26/02591/FPA

10 Whitworth Close Spennymoor DL16 7LH

Erection of single-storey rear, rear infill and side extensions; enlargement and alteration of the existing roof including increased ridge height and ...

Full Planning Application Durham
7 Oct 2026 Pending Consideration DM/26/02662/FPA

86 Brookside Witton Gilbert Durham DH7 6RU

Pitched roof porch to front

Full Planning Application Durham
6 Oct 2026 Pending Consideration DM/26/02310/FPA

12 Deans Walk Gilesgate Durham DH1 1HA

Loft conversion in existing bungalow with creation of 2no. dormers (front and rear); including rooflight and 1no. gable end window. Extension to front...

Full Planning Application Durham
6 Oct 2026 Pending Consideration DM/26/02651/LB

24 Hallgarth Street Durham DH1 3AT

Proposal seeks to form three new airbricks within plinth course to front elevation.

Listed Building Consent Durham
6 Oct 2026 Pending Consideration DM/26/02650/FPA

1 The Courtyard Edward Street Craghead Stanley DH9 6EW

Ground floor utility & conservatory extension, first floor bedroom extension

Full Planning Application Durham
6 Oct 2026 Pending Consideration DM/26/02351/FPA

Akarsu Turkish Restaurant & Grill 21 Silver Street Durham DH1 3RB

10 no. new full height guillotine window installations with lower level plant window boxes.

Full Planning Application Durham
6 Oct 2026 Pending Consideration DM/26/02493/FPA

Durham School Quarryheads Lane Durham DH1 4SZ

Removal of the existing timber and steel covered walkway/canopy attached to the Vallance Building, including making good the adjoining building fabric...

Full Planning Application Durham
5 Oct 2026 Pending Consideration DM/26/02455/FPA

Rosmini House Woodbine Road Pity Me Durham DH1 5DR

Retention of timber boundary fence to front and side of host dwelling including sliding gate

Full Planning Application Durham
5 Oct 2026 Pending Consideration DM/26/02485/FPA

Woodhouse Grange Woodhouses St Helen Auckland Bishop Auckland DL14 0LL

Two-story side extension

Full Planning Application Durham
5 Oct 2026 Pending Consideration DM/26/02447/FPA

Sharpley Hall Seaton Seaham SR7 0NP

Proposed new 2m high boundary fence

Full Planning Application Durham
5 Oct 2026 Pending Consideration DM/26/02642/FPA

2 Holly Terrace Crookgate Bank Newcastle Upon Tyne NE16 6DY

Two storey side extension, single storey front extension, detached outbuilding within rear garden, widening of dropped kerb to highway.

Full Planning Application Durham
5 Oct 2026 Pending Consideration DM/26/00712/FPA

Land To The South Of 19 Browning Street Easington Colliery SR8 3RY

Change of use from adopted highway to residential for driveway and dropped kerb

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

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