Builder Costs in Maidstone
South East | Prices updated for 2026 | All estimates include labour and materials
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Estimated cost in Maidstone
£16,240 - £44,080
Single Storey Extension (medium (15-25 sqm))
Typical duration: 6-12 weeks
Builder Prices in Maidstone
Single Storey Extension
£16,240 - £44,080Labour
£9,280 - £23,200
Materials
£6,960 - £20,880
Typical duration: 6-12 weeks
Garage Conversion
£7,540 - £17,400Labour
£4,640 - £10,440
Materials
£2,900 - £6,960
Typical duration: 2-4 weeks
Internal Wall Removal
£812 - £2,668Labour
£580 - £1,740
Materials
£232 - £928
Typical duration: 1-3 days
Patio Construction
£1,508 - £5,220Labour
£928 - £2,900
Materials
£580 - £2,320
Typical duration: 2-5 days
How Maidstone Compares
More expensive
Trade prices in Maidstone are typically 16% 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 Maidstone?
Builder prices in Maidstone typically range from £812 for internal wall removal to £44,080 for single storey extension. Prices include both labour and materials.
What is the average cost of single storey extension in Maidstone?
Single Storey Extension in Maidstone costs between £16,240 and £44,080 on average, depending on the scope of work and materials chosen.
When is the cheapest time to hire a builder in Maidstone?
Demand for builder work in Maidstone is typically lowest in January. Booking during quieter months may mean better availability and competitive pricing.
Are builder prices in Maidstone above or below the national average?
Builder prices in Maidstone are around 16% above the national average, reflecting higher local labour rates and cost of living.
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