Builder Costs in Sunderland
North East | Modelled planning ranges | Base prices dated May 2026 | Includes labour and materials
Cost Calculator
Estimated cost in Sunderland
£12,040 - £32,680
Single Storey Extension (medium (15-25 sqm))
Typical duration: 6-12 weeks
Builder Prices in Sunderland
Single Storey Extension
£12,040 - £32,680Labour
£6,880 - £17,200
Materials
£5,160 - £15,480
Typical duration: 6-12 weeks
Garage Conversion
£5,590 - £12,900Labour
£3,440 - £7,740
Materials
£2,150 - £5,160
Typical duration: 2-4 weeks
Internal Wall Removal
£602 - £1,978Labour
£430 - £1,290
Materials
£172 - £688
Typical duration: 1-3 days
Patio Construction
£1,118 - £3,870Labour
£688 - £2,150
Materials
£430 - £1,720
Typical duration: 2-5 days
How Sunderland Compares
Cheaper than average
Our model for Sunderland is 14% below 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 Sunderland?
Builder prices in Sunderland typically range from £602 for internal wall removal to £32,680 for single storey extension. Prices include both labour and materials.
What is the average cost of single storey extension in Sunderland?
Single Storey Extension in Sunderland costs between £12,040 and £32,680 on average, depending on the scope of work and materials chosen.
When is the cheapest time to hire a builder in Sunderland?
Demand for builder work in Sunderland is typically lowest in January. Booking during quieter months may mean better availability and competitive pricing.
Are builder prices in Sunderland above or below the national average?
Builder prices in Sunderland are around 14% below the national average, making it a more affordable area for this type of work.
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