Builder Costs in Kings Lynn
East of England | Modelled planning ranges | Base prices dated May 2026 | Includes labour and materials
Cost Calculator
Estimated cost in Kings Lynn
£14,000 - £38,000
Single Storey Extension (medium (15-25 sqm))
Typical duration: 6-12 weeks
Builder Prices in Kings Lynn
Single Storey Extension
£14,000 - £38,000Labour
£8,000 - £20,000
Materials
£6,000 - £18,000
Typical duration: 6-12 weeks
Garage Conversion
£6,500 - £15,000Labour
£4,000 - £9,000
Materials
£2,500 - £6,000
Typical duration: 2-4 weeks
Internal Wall Removal
£700 - £2,300Labour
£500 - £1,500
Materials
£200 - £800
Typical duration: 1-3 days
Patio Construction
£1,300 - £4,500Labour
£800 - £2,500
Materials
£500 - £2,000
Typical duration: 2-5 days
How Kings Lynn Compares
Around the national average
Our model for Kings Lynn is in line with 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 Kings Lynn
Find trusted, reviewed builder professionals near you. Tradesfolk is completely free to use.
Frequently Asked Questions
How much does a builder cost in Kings Lynn?
Builder prices in Kings Lynn typically range from £700 for internal wall removal to £38,000 for single storey extension. Prices include both labour and materials.
What is the average cost of single storey extension in Kings Lynn?
Single Storey Extension in Kings Lynn costs between £14,000 and £38,000 on average, depending on the scope of work and materials chosen.
When is the cheapest time to hire a builder in Kings Lynn?
Demand for builder work in Kings Lynn is typically lowest in January. Booking during quieter months may mean better availability and competitive pricing.
Are builder prices in Kings Lynn above or below the national average?
Builder prices in Kings Lynn are broadly in line with the national average.
Builder prices in nearby towns
Other trade prices in Kings Lynn
Looking for a builder in Kings Lynn?
Browse local builder profiles with reviews from local homeowners. 100% free.