Builder Costs in Oxford
South East | Modelled planning ranges | Base prices dated May 2026 | Includes labour and materials
Cost Calculator
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
Our model for Oxford is 24% above the base estimate. This is a location assumption, not a measured local quote average.
Illustrative Seasonality for Builder Work
Our seasonal model peaks in Jul and is lowest in Jan. This is not live demand data or a forecast of prices or availability.
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
Builder Profiles Near Oxford
Find trusted, reviewed builder professionals near you. Tradesfolk is completely free to use.
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.
Builder prices in nearby towns
Other trade prices in Oxford
Looking for a builder in Oxford?
Browse local builder profiles with reviews from local homeowners. 100% free.