House extensions in Darlington
Darlington received 199 householder applications in the last 12 months - about 4 a week. Rear extensions and garage works are the most common. Of the 154 decided so far, 143 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.
64 Burnhope Lane Middleton St George DARLINGTON DL2 1FL
Conversion of existing garage into a home hair salon with associated internal alterations
The Old Rectory Middleton Road Sadberge Darlington DL2 1RP
Erection of a detached garage and carport with first floor storage above garage
17 Mill Lane Redworth NEWTON AYCLIFFE DL5 6NP
Erection of detached one bed annexe building to rear garden
83 Hutton Avenue Darlington DL1 2AH
Erection of single storey rear infil extension
43 Lynton Gardens Darlington DL1 4PA
Demolition of the existing store and erection of a two-storey extension to the side elevation
38 Parkland Drive Darlington DL3 9DU
Demolition of existing garage to front and conservatory to rear, erection of a single storey extension to the east elevation, single storey extension ...
Oxney Cottage Croft Road Darlington DL2 2SD
Erection of an extension to the east elevation to provide workshop and garage to ground floor with annexe above, and incorporating new entrance featur...
10 Chester Grove Darlington DL3 9DY
Erection of a two storey extension to the front (east) and side (north) elevations
103 Merrybent Darlington DL2 2LF
Erection of a single storey rear extension
41 Bates Avenue Darlington DL3 0TL
Prior Approval for the erection of a single storey rear extension projecting 3.375m from the original dwelling house, 3.9m in height to ridge and 2.90...
16 Crossfield Road Darlington DL3 0TR
Erection of a single storey rear infill extension (Retrospective Application)
16A Pierremont Crescent Darlington DL3 9PB
Erection of conservatory to rear of dwelling
6 Lych Gate Hurworth Darlington DL2 2AT
Erection of single storey rear exension
Killerby Farm Killerby Darlington DL2 3UQ
Erection of extensions to the north and east elevations of the existing agricultural building
28 High Stell Middleton St George Darlington DL2 1UW
Certificate of Lawfulness for proposed development - erection of a single storey rear extension
11 Westbourne Grove Darlington DL3 8LS
Enlargement of loft to form habitable space including hip to gable extension and box dormer to rear. Construction of a detached sun lounge/garden room...
8 Thames Way Darlington DL1 5TS
Erection of single storey rear extension
Old Rectory Low Dinsdale Neasham Darlington DL2 1PN
Erection of single storey extension to south elevation and two storey extension to north elevation. Removal of existing first floor roof area to erect...
9 The Green Hurworth Darlington DL2 2HA
Certificate of Lawfulness of proposed works to a Listed Building - replacement of lath and plaster lime ceilings
5 New Lane Neasham Darlington DL2 1QR
Erection of a single storey rear extension and bay window extension to the front elevation
Coatham Hall Farm Coatham Lane Coatham Mundeville Darlington DL3 0XL
Internal and external renovations and refurbishment together with the partial demolition and rebuild of the existing attached store room
Foresters Arms Brafferton Lane Coatham Mundeville DL1 3LU
Conversion and extension of existing outbuildings to provide 2 No. one bed holiday cottages, installation of 2 No. holiday pods, and erection of ameni...
Jasmine Cottage Barmpton Lane Barmpton Darlington DL1 3JG
Erection of a single storey extension to the west elevation
Polam Hall School Grange Road Blackwell DARLINGTON DL1 5PA
Part approval of details reserved by condition 3 (W.S.I) attached to Listed Building Consent 25/00872/LBC dated 16 Jan 2026 (Listed Building Consent f...
1 Cranberry Way Darlington DL1 3FL
Erection of a porch providing new entrance on the south elevation, replace existing entrance door and canopy with window on the west elevation and rep...
2 Barmpton Mews Darlington DL1 3SZ
Demolition of conservatory and erection of a single storey rear extension and additional ground floor window to side (west) elevation
14 Burneston Court Darlington DL3 8UL
Prior notification for the erection of a single storey rear extension with flat roof and lantern window, which would extend beyond the rear wall of th...
12 Pondside Close Hurworth DARLINGTON DL2 2NN
Conversion of attached garage into habitable space with associated alterations and erection of single storey extension to side (south) elevation
41 Bates Avenue Darlington DL3 0TL
Prior Approval for the erection of a single storey rear extension projecting 3.375M from the original dwelling house, 3.9m in height to ridge and 2.90...
8 Swinbridge Darlington DL2 2GB
Erection of single storey rear extension with sloping canopy extending over the proposed extension and the previously approved rear extension
16 Easson Road Darlington DL3 6BB
Certificate of Lawfulness for proposed development - conversion of loft into habitable space with rear box dormer and 2 no. rooflights to front roof s...
85 Brankin Drive Darlington DL1 4LH
Prior Approval for the erection of a single storey rear extension projecting 6.00m from the original dwelling house, 3.25m in height to ridge and 3.00...
31 Alexandria Drive Middleton St George Darlington DL2 1HG
Demolition of existing single storey flat roof side extension and erection of replacement single storey pitched roof side extension
37 Cherrytree Drive School Aycliffe NEWTON AYCLIFFE DL5 6GG
Certificate of Lawfulness for proposed development - Erection of a single storey rear extension including three roof lights (amended description).
100 Brinkburn Road Darlington DL3 6EB
Prior Approval for the erection of a single storey rear extension projecting 5.95m from the original dwelling house, 3.90m in height to ridge and 2.80...
17 The Rise Darlington DL3 8HD
Demolition of existing garage to east elevation and sunroom to north elevation to facilitate the erection of single storey extensions to north and eas...
106 - 108 North Road Darlington DL1 2EQ
Erection of a single storey rear extension to facilitate the conversion of part of ground floor and first floor from storage/office accommodation to 4...
13 Langholm Crescent Darlington DL3 7ST
Erection of single storey rear infill extension with external bench seating incorporated within projecting chamfered reveals
85 Pendleton Road Darlington DL1 2YR
Demolition of the existing conservatory and erection of a replacement single storey side and rear extension
6 Elder Brook Avenue Darlington DL2 1RD
Conversion of existing garage into a home hair salon with associated alteration works
31 Marwood Crescent Darlington DL3 0JU
Demolition of existing rear conservatory and erection of a replacement single storey rear extension
Vertu Vehicle Solutions Morton Road Darlington DL1 4PT
Erection of single storey extension to south/east elevation of existing vehicle workshop including associated external works
Groundsmans House South Terrace Darlington DL1 5JD
Erection of boundary fence (Retrospective application)
78 Merrybent Darlington DL2 2LE
Erection of a detached garage to the side (west) of the main dwelling
9 Gibb Avenue Darlington DL1 1NQ
Certificate of Lawfulness for proposed use - Erection of a single storey rear extension including two roof lights together with the installation of a ...
125 Hartington Way Darlington DL3 0RZ
Enlargement of existing garage to front elevation incorporating pitched roof above
8 Muirkirk Grove Darlington DL1 3TL
Conversion of garage into habitable space with first floor extension above including juliet balcony to east elevation, erection of two story extension...
1 Snipe Lane Darlington DL2 2SA
Demolition of existing single storey rear extension, detached garage and removal of poly tunnel and greenhouse to facilitate the erection of a single ...
11 Crail Gardens Darlington DL1 3TF
Conversion of integral garage into habitable space
25 Romanby Drive Darlington DL3 8EJ
Erection of wooden gazebo to rear garden
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We check Darlington's planning portal daily. New extensions applications appear here within a day of being published.