Builder Costs in Oxford
South East | Prices updated for 2026 | All estimates include labour and materials
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Estimated cost in Oxford
£17,360 - £47,120
Single Storey Extension (medium (15-25 sqm))
Typical duration: 6-12 weeks
Builder Prices in Oxford
Single Storey Extension
£17,360 - £47,120Labour
£9,920 - £24,800
Materials
£7,440 - £22,320
Typical duration: 6-12 weeks
Garage Conversion
£8,060 - £18,600Labour
£4,960 - £11,160
Materials
£3,100 - £7,440
Typical duration: 2-4 weeks
Internal Wall Removal
£868 - £2,852Labour
£620 - £1,860
Materials
£248 - £992
Typical duration: 1-3 days
Patio Construction
£1,612 - £5,580Labour
£992 - £3,100
Materials
£620 - £2,480
Typical duration: 2-5 days
How Oxford Compares
More expensive
Trade prices in Oxford are typically 24% above the national average. This reflects local labour rates and the cost of living in South East.
Seasonal Demand for Builder Work
Peak demand is typically in Jul, with the quietest period around Jan. You may find lower prices and better availability during off-peak months.
What Affects the Price
Single Storey Extension
- Extension size (square metres)
- Foundation type required by ground conditions
- Roof design (flat, pitched, or lean-to)
- Level of internal finish and specification
- Planning permission or permitted development status
Garage Conversion
- Garage size and structural condition
- Level of insulation and damp proofing needed
- Whether plumbing or electrics are required
- Quality of internal finish
Internal Wall Removal
- Whether the wall is load-bearing
- Steel beam size and specification
- Services (pipes, wires) running through the wall
- Making good to floor, ceiling, and adjacent walls
Patio Construction
- Patio area (square metres)
- Material choice (concrete slabs, natural stone, porcelain)
- Ground preparation and levelling
- Drainage and edging requirements
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Frequently Asked Questions
How much does a builder cost in Oxford?
Builder prices in Oxford typically range from £868 for internal wall removal to £47,120 for single storey extension. Prices include both labour and materials.
What is the average cost of single storey extension in Oxford?
Single Storey Extension in Oxford costs between £17,360 and £47,120 on average, depending on the scope of work and materials chosen.
When is the cheapest time to hire a builder in Oxford?
Demand for builder work in Oxford is typically lowest in January. Booking during quieter months may mean better availability and competitive pricing.
Are builder prices in Oxford above or below the national average?
Builder prices in Oxford are around 24% above the national average, reflecting higher local labour rates and cost of living.
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