Builder Costs in High Wycombe
South East | Prices updated for 2026 | All estimates include labour and materials
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Estimated cost in High Wycombe
£16,380 - £44,460
Single Storey Extension (medium (15-25 sqm))
Typical duration: 6-12 weeks
Builder Prices in High Wycombe
Single Storey Extension
£16,380 - £44,460Labour
£9,360 - £23,400
Materials
£7,020 - £21,060
Typical duration: 6-12 weeks
Garage Conversion
£7,605 - £17,550Labour
£4,680 - £10,530
Materials
£2,925 - £7,020
Typical duration: 2-4 weeks
Internal Wall Removal
£819 - £2,691Labour
£585 - £1,755
Materials
£234 - £936
Typical duration: 1-3 days
Patio Construction
£1,521 - £5,265Labour
£936 - £2,925
Materials
£585 - £2,340
Typical duration: 2-5 days
How High Wycombe Compares
More expensive
Trade prices in High Wycombe are typically 17% 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
Builder Profiles Near High Wycombe
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Frequently Asked Questions
How much does a builder cost in High Wycombe?
Builder prices in High Wycombe typically range from £819 for internal wall removal to £44,460 for single storey extension. Prices include both labour and materials.
What is the average cost of single storey extension in High Wycombe?
Single Storey Extension in High Wycombe costs between £16,380 and £44,460 on average, depending on the scope of work and materials chosen.
When is the cheapest time to hire a builder in High Wycombe?
Demand for builder work in High Wycombe is typically lowest in January. Booking during quieter months may mean better availability and competitive pricing.
Are builder prices in High Wycombe above or below the national average?
Builder prices in High Wycombe are around 17% above the national average, reflecting higher local labour rates and cost of living.
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