East of England regional pricing
How Much Does a Builder Cost in Southend-on-Sea?
Updated prices for . Southend-on-Sea prices are typically 6% above the national average.
Price summary
Southend-on-Sea Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £31,770 | £52,950 | £84,720 |
| Double Storey Extension | £52,950 | £90,015 | £148,260 |
| Loft Conversion | £26,475 | £47,655 | £79,425 |
Prices include labour and materials. VAT may apply. Based on East of England regional pricing.
Full pricing
All Builder Prices in Southend-on-Sea
Every price adjusted for Southend-on-Sea using a 1.059x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £31,770 | £52,950 | £84,720 | 8-12 weeks |
| Double Storey Extension | £52,950 | £90,015 | £148,260 | 12-20 weeks |
| Loft Conversion | £26,475 | £47,655 | £79,425 | 6-10 weeks |
| Garage Conversion | £8,470 | £15,885 | £26,475 | 2-4 weeks |
| Porch Build | £2,650 | £4,765 | £8,470 | 1-2 weeks |
| Garden Wall | £845 | £1,590 | £3,175 | 2-4 days |
| Knock Through Internal Wall | £1,060 | £1,905 | £3,705 | 2-4 days |
| Chimney Breast Removal | £1,270 | £2,120 | £3,705 | 2-4 days |
| Underpinning | £5,295 | £12,710 | £26,475 | 2-4 weeks |
| Damp Proof Course | £530 | £1,270 | £2,650 | 1-3 days |
| New Build Garage | £10,590 | £19,060 | £31,770 | 3-5 weeks |
| Outbuilding or Garden Room | £12,710 | £26,475 | £52,950 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £1,060 | £1,905 | £3,175 | 1-2 days |
| Patio or Decking Build | £1,590 | £3,705 | £7,415 | 3-5 days |
Single Storey Extension
Low
£31,770
Average
£52,950
High
£84,720
8-12 weeks
Double Storey Extension
Low
£52,950
Average
£90,015
High
£148,260
12-20 weeks
Loft Conversion
Low
£26,475
Average
£47,655
High
£79,425
6-10 weeks
Garage Conversion
Low
£8,470
Average
£15,885
High
£26,475
2-4 weeks
Porch Build
Low
£2,650
Average
£4,765
High
£8,470
1-2 weeks
Garden Wall
Low
£845
Average
£1,590
High
£3,175
2-4 days
Knock Through Internal Wall
Low
£1,060
Average
£1,905
High
£3,705
2-4 days
Chimney Breast Removal
Low
£1,270
Average
£2,120
High
£3,705
2-4 days
Underpinning
Low
£5,295
Average
£12,710
High
£26,475
2-4 weeks
Damp Proof Course
Low
£530
Average
£1,270
High
£2,650
1-3 days
New Build Garage
Low
£10,590
Average
£19,060
High
£31,770
3-5 weeks
Outbuilding or Garden Room
Low
£12,710
Average
£26,475
High
£52,950
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£1,060
Average
£1,905
High
£3,175
1-2 days
Patio or Decking Build
Low
£1,590
Average
£3,705
High
£7,415
3-5 days
Regional comparison
How Southend-on-Sea Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in Southend-on-Sea?
The East of England has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Southend-on-Sea, many properties in areas near Surrey and Kent vary in age and condition. Older properties with original features typically cost more for builder work due to additional preparation and access challenges.
The East of England sits above the national average for trade costs, influenced by proximity to London and the generally higher cost of living. Labour rates in Southend-on-Sea are typically 6% above the UK average. Despite this, there's a strong supply of qualified builder professionals across the region. Prices can vary 30-50% between different tradespeople for the same job, so getting multiple quotes is essential.
What you pay for builder work in Southend-on-Sea depends on the complexity of the job, the materials used, and the condition of your property. Older detached and semi-detached homes often present more challenges that add to the cost. For larger jobs, expect to pay £52,950 to £148,260 for double storey extension in Southend-on-Sea. Coastal properties in the East of England may face additional considerations that affect pricing.
When getting quotes in Southend-on-Sea, aim for at least three from different qualified professionals. Ask each one to visit and assess the work rather than quoting over the phone. A good builder will check the existing setup, identify complications, and provide a detailed cost breakdown. Be wary of quotes that seem significantly cheaper — they may be cutting corners on materials or quality. Always check qualifications, insurance and recent reviews.
More services
Other Services in Southend-on-Sea
Explore costs for other services in the Southend-on-Sea area.
40 services — scroll to explore
UK-wide pricing
Builder Costs in Other Cities
Compare builder prices across the UK.
Common questions
Frequently Asked Questions
Common questions about builder costs in Southend-on-Sea.