House extensions in South Oxfordshire

South Oxfordshire received 280 householder applications in the last 12 months - about 5 a week. Rear extensions and garage works are the most common. If you're planning your own, the applications below show what people nearby applied for and how the council decided.

261 last 90 days
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102 last 30 days
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61 last 14 days

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Showing 50 of 261 applications
P26/S2428/HH 8 Jul 2026 Pending

Henley-on-Thames, RG9 1JQ

Proposed rear conservatory.

Other Development South Oxfordshire 8 Jul 2026
P26/S1956/HH 7 Jul 2026 Pending

Goring, Reading, RG8 0DS

Conversion of integral garage to become habitable internal space. Alterations to external doors to become windows. Creation of new off street parking ...

Other Development South Oxfordshire 7 Jul 2026
P26/S2061/HH 3 Jul 2026 Pending

Chinnor, OX39 4JA

Proposed single storey rear extension.

Other Development South Oxfordshire 3 Jul 2026
P26/S2085/HH 30 Jun 2026 Pending

Chinnor, OX39 4FQ

Construction of part two storey/part single storey rear extension

Other Development South Oxfordshire 30 Jun 2026
P26/S2068/HH 30 Jun 2026 Pending

Didcot, OX11 7HT

Single storey rear extension to existing semi-detached house to 3.3m max projection to provide additional living room. Internal alteration to provide ...

Other Development South Oxfordshire 30 Jun 2026
P26/S1791/LDP 29 Jun 2026 Pending

Chalgrove, Oxford, OX44 7QY

Erection of a rear boundary fence comprising 1.83m (6ft) close-board timber fence panels supported by concrete fence posts and 2 x 1ft concrete gravel...

Other Development South Oxfordshire 29 Jun 2026
P26/S1301/HH 25 Jun 2026 Pending

Church Hill, Forest Hill, Oxford, OX33 1EG

Proposed Rear/Side Single storey Extension with First floor Extension

Other Development South Oxfordshire 25 Jun 2026
P26/S1587/HH 22 Jun 2026 Pending

Henley-on-Thames, RG9 1EF

Proposed single and part two storey rear and side extension

Other Development South Oxfordshire 22 Jun 2026
P26/S0717/LDP 22 Jun 2026 Pending

Satwell Close, Rotherfield Greys, Henley-on-Thames, RG9 4QT

Single storey side extension and replacement of concrete tiles to slate covering.

Other Development South Oxfordshire 22 Jun 2026
P26/S1822/HH 22 Jun 2026 Pending

Watlington, OX49 5QY

Proposed rear extension for ground floor WC.

Other Development South Oxfordshire 22 Jun 2026
P26/S1799/HH 19 Jun 2026 Pending

Tokers Green Lane, Tokers Green, Reading, RG4 9EB

The erection of a two / single storey rear extensions, repositioning of front porch, conversion and extension to existing garage to create accommodati...

Other Development South Oxfordshire 19 Jun 2026
P26/S1588/HH 19 Jun 2026 Pending

Brook Street, Kingston Blount, Chinnor, OX39 4RZ

Proposed increase in window size to three areas. Re-design of layout to south entrance porch (internally). En-suite bathroom to bedroom no 1. Re-desig...

Other Development South Oxfordshire 19 Jun 2026
P26/S0859/FUL 19 Jun 2026 Pending

Britwell Salome, OX49 5JZ

Erection of solar panels mounted on metal framed field shelters for domestic use and associated plant store shed.

Minor Development South Oxfordshire 19 Jun 2026
P26/S2469/LDP 19 Jun 2026 Pending

Didcot, OX11 0BQ

Rear single storey extension

Other Development South Oxfordshire 19 Jun 2026
P26/S2468/LDP 19 Jun 2026 Pending

Henley-on-Thames, RG9 1SL

Proposed loft conversion including rear flat roof dormer and two rooflights to front sloping roof. Internal changes associated with loft conversion.

Other Development South Oxfordshire 19 Jun 2026
P26/S2397/LDP 17 Jun 2026 Pending

Crowmarsh Gifford, Wallingford, OX10 8EP

Certificate of lawful development for proposed single-storey extension, remodelling & alterations.

Other Development South Oxfordshire 17 Jun 2026
P26/S2396/HH 17 Jun 2026 Pending

Henley-on-Thames, RG9 1UG

Proposed single storey front and rear extensions and conversion of existing garage to habitable accommodation and introduction of timber cladding, K-r...

Other Development South Oxfordshire 17 Jun 2026
P26/S2379/HH 17 Jun 2026 Pending

18 The Green, Garsington, Oxford, OX44 9DF

Construction of a new multi-purpose garden building, single storey with pitched roof

Other Development South Oxfordshire 17 Jun 2026
P26/S2363/HH 16 Jun 2026 Pending

Chinnor, OX39 4DZ

Single storey rear extension, first floor side extension and garage conversion with front porch extension and roof over existing bay.

Other Development South Oxfordshire 16 Jun 2026
P26/S2362/LDP 16 Jun 2026 Pending

Chinnor, OX39 4DZ

Loft conversion with rear dormer extension and front rooflight.

Other Development South Oxfordshire 16 Jun 2026
P26/S2366/LB 16 Jun 2026 Pending

Henley-on-Thames, RG9 2BT

Façade treatment proposals encompassing removal of cementitious mortar, repointing, repair to RWP, replacement of spalled masonry, cleaning of masonry...

Other Development South Oxfordshire 16 Jun 2026
P26/S2349/HH 16 Jun 2026 Pending

Cholsey, Wallingford, OX10 9NL

Garage conversion and side extension of existing rear bungalow extension. Works to include roof alteration works and fenestration changes.

Other Development South Oxfordshire 16 Jun 2026
P26/S2377/HH 16 Jun 2026 Pending

Wheatley, Oxford, OX33 1UY

A single story extension at the front of the house

Other Development South Oxfordshire 16 Jun 2026
P26/S1619/HH 15 Jun 2026 Pending

Rectory Road, Great Haseley, Oxford, OX44 7JG

Removal of existing garden shed (1.8m x 1.8m) and erection of new garden shed ( 2.4m x 5m )

Other Development South Oxfordshire 15 Jun 2026
P26/S1286/LB 15 Jun 2026 Pending

31 Market Place, Henley-on-Thames, RG9 2AA

Installation of Georgian style surround around existing Entrance door.

Other Development South Oxfordshire 15 Jun 2026
P26/S1285/HH 15 Jun 2026 Pending

31 Market Place, Henley-on-Thames, RG9 2AA

Installation of Georgian style surround around existing Entrance door

Other Development South Oxfordshire 15 Jun 2026
P26/S2306/HH 15 Jun 2026 Pending

Bridge House, Clifton Hampden, Abingdon, OX14 3EH

Alterations and extension to existing annexe building including raising of the structure to provide open plan kitchen/dining accommodation at upper gr...

Other Development South Oxfordshire 15 Jun 2026
P26/S2285/S73 12 Jun 2026 Pending

Didcot, OX11 7DZ

Single storey rear extension, revised fenestration, new rooflights

Other Development South Oxfordshire 12 Jun 2026
P26/S2297/LDP 12 Jun 2026 Pending

Didcot, OX11 8HA

Erection of a single-storey rear extension, alterations to the existing side elevation at ground floor level, involving the reduction in size of an ex...

Other Development South Oxfordshire 12 Jun 2026
P26/S2282/LDE 12 Jun 2026 Pending

Watlington, OX49 5BQ

Existing detached timber-framed garden outbuilding located within the residential curtilage of the dwellinghouse.

Other Development South Oxfordshire 12 Jun 2026
P26/S2249/LB 11 Jun 2026 Pending

Church Street, Beckley, Oxford, OX3 9UT

Replacement of four ground floor windows, stone repairs and repointing, replacement and new rainwater goods.

Other Development South Oxfordshire 11 Jun 2026
P26/S2248/HH 11 Jun 2026 Pending

Church Street, Beckley, Oxford, OX3 9UT

Replacement of four ground floor windows, stone repairs and repointing, replacement and new rainwater goods.

Other Development South Oxfordshire 11 Jun 2026
P26/S2226/LB 11 Jun 2026 Pending

Henley-on-Thames, RG9 2JZ

All existing windows are to be replaced with new units matching the original detailing, incorporating slimline heritage double glazing to improve ther...

Other Development South Oxfordshire 11 Jun 2026
P26/S1731/LB 10 Jun 2026 Pending

Britwell Salome, Watlington, OX49 5LH

Proposed new dormer, new external doorway and internal alterations.

Other Development South Oxfordshire 10 Jun 2026
P26/S1363/LB 10 Jun 2026 Pending

4 , Henton, Chinnor, OX39 4AE

Removal of existing thatched porch roof to be replaced with a pitched terracotta tiled roof system fixed over the existing timber boarding.

Other Development South Oxfordshire 10 Jun 2026
P26/S1772/HH 10 Jun 2026 Pending

Station Road, Shiplake, Henley-on-thames, RG9 3JR

Demolition of existing single storey garage to be replaced by 2 storey side extension on the same footprint; Roof extension; Single storey rear extens...

Other Development South Oxfordshire 10 Jun 2026
P26/S1484/FUL 10 Jun 2026 Pending

Didcot, OX11 0AT

Change of Use of a current 6 person HMO (CLASS C4) to a 7 person larger HMO ( Sui Generis) and associated bins and bike provision. Dropped kerb for p...

Other Development South Oxfordshire 10 Jun 2026
P26/S2205/HH 10 Jun 2026 Pending

Watlington, OX49 5PZ

New “endless” swimming pool and hot tub within rear garden

Other Development South Oxfordshire 10 Jun 2026
P26/S2204/HH 10 Jun 2026 Pending

Watlington, OX49 5PZ

New open-sided, roofed, garden shelter building within rear garden

Other Development South Oxfordshire 10 Jun 2026
P26/S1729/LB 9 Jun 2026 Pending

Britwell Salome, Watlington, OX49 5LH

Part extension of the existing footings and internal alterations

Other Development South Oxfordshire 9 Jun 2026
P26/S2155/HH 9 Jun 2026 Pending

Didcot, OX11 0AX

Single-storey rear extension across the full width of the house, projecting 4.5m from the current rear elevation, with a flat roof and roof lanterns.

Other Development South Oxfordshire 9 Jun 2026
P26/S2394/HH 9 Jun 2026 Pending

Moulsford,, Wallingford, OX10 9JG

Proposed studio annex and repositioned access and driveway

Other Development South Oxfordshire 9 Jun 2026
P26/S2168/LDP 9 Jun 2026 Pending

Cholsey, Wallingford, OX10 9RT

Single storey side extension.

Other Development South Oxfordshire 9 Jun 2026
P26/S2167/LB 9 Jun 2026 Pending

Easington, OX49 5AZ

Clad gable end in timber. Replace one metal up and over door with timber side hung doors and infill second large opening with matching timber. Re-ro...

Other Development South Oxfordshire 9 Jun 2026
P26/S2183/HH 9 Jun 2026 Pending

Horspath, Oxford, OX33 1RY

Alterations to the dormer window and erection of a single storey rear extension

Other Development South Oxfordshire 9 Jun 2026
P26/S2179/HH 9 Jun 2026 Pending

Pishill Bank, Pishill, RG9 6HR

Two storey extension and single storey lean-to extension, with terrace and material amendments to existing dwelling.

Other Development South Oxfordshire 9 Jun 2026
P26/S2178/HH 9 Jun 2026 Pending

Wallingford Road, South Stoke, Reading, RG8 0HY

Rear / Side Conservatory

Other Development South Oxfordshire 9 Jun 2026
P26/S2163/LB 9 Jun 2026 Pending

Waterperry, Oxford, OX33 1JY

Take a bearing on existing walls either side of a single storey back addition to carry one new truss, ceiling rafters on joist hangers and insulation.

Other Development South Oxfordshire 9 Jun 2026
P26/S1805/HH 8 Jun 2026 Pending

Watlington, OX49 5JW

Replacement porch

Other Development South Oxfordshire 8 Jun 2026
P26/S1719/HH 8 Jun 2026 Pending

Henley-on-thames, RG9 2EN

Double storey side extension with alterations to the external openings and internal layout.

Other Development South Oxfordshire 8 Jun 2026
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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 — taller, larger, 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 with objections) can take longer.
Can I get email alerts for new extensions applications in South Oxfordshire?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by South Oxfordshire. You can also narrow the alert to a postcode, street, or drawn area.

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