Builder Costs in Weston-super-Mare
South West | Modelled planning ranges | Base prices dated May 2026 | Includes labour and materials
Cost Calculator
Estimated cost in Weston-super-Mare
£14,280 - £38,760
Single Storey Extension (medium (15-25 sqm))
Typical duration: 6-12 weeks
Builder Prices in Weston-super-Mare
Single Storey Extension
£14,280 - £38,760Labour
£8,160 - £20,400
Materials
£6,120 - £18,360
Typical duration: 6-12 weeks
Garage Conversion
£6,630 - £15,300Labour
£4,080 - £9,180
Materials
£2,550 - £6,120
Typical duration: 2-4 weeks
Internal Wall Removal
£714 - £2,346Labour
£510 - £1,530
Materials
£204 - £816
Typical duration: 1-3 days
Patio Construction
£1,326 - £4,590Labour
£816 - £2,550
Materials
£510 - £2,040
Typical duration: 2-5 days
How Weston-super-Mare Compares
Around the national average
Our model for Weston-super-Mare is 2% 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
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Frequently Asked Questions
How much does a builder cost in Weston-super-Mare?
Builder prices in Weston-super-Mare typically range from £714 for internal wall removal to £38,760 for single storey extension. Prices include both labour and materials.
What is the average cost of single storey extension in Weston-super-Mare?
Single Storey Extension in Weston-super-Mare costs between £14,280 and £38,760 on average, depending on the scope of work and materials chosen.
When is the cheapest time to hire a builder in Weston-super-Mare?
Demand for builder work in Weston-super-Mare is typically lowest in January. Booking during quieter months may mean better availability and competitive pricing.
Are builder prices in Weston-super-Mare above or below the national average?
Builder prices in Weston-super-Mare are around 2% above the national average, reflecting higher local labour rates and cost of living.
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