Wales regional pricing
How Much Does a Builder Cost in Rhondda Cynon Taff?
Updated prices for . Rhondda Cynon Taff prices are typically 10% below the national average.
Price summary
Rhondda Cynon Taff Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £27,090 | £45,150 | £72,240 |
| Double Storey Extension | £45,150 | £76,755 | £126,420 |
| Loft Conversion | £22,575 | £40,635 | £67,725 |
Prices include labour and materials. VAT may apply. Based on Wales regional pricing.
Full pricing
All Builder Prices in Rhondda Cynon Taff
Every price adjusted for Rhondda Cynon Taff using a 0.903x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £27,090 | £45,150 | £72,240 | 8-12 weeks |
| Double Storey Extension | £45,150 | £76,755 | £126,420 | 12-20 weeks |
| Loft Conversion | £22,575 | £40,635 | £67,725 | 6-10 weeks |
| Garage Conversion | £7,225 | £13,545 | £22,575 | 2-4 weeks |
| Porch Build | £2,260 | £4,065 | £7,225 | 1-2 weeks |
| Garden Wall | £720 | £1,355 | £2,710 | 2-4 days |
| Knock Through Internal Wall | £905 | £1,625 | £3,160 | 2-4 days |
| Chimney Breast Removal | £1,085 | £1,805 | £3,160 | 2-4 days |
| Underpinning | £4,515 | £10,835 | £22,575 | 2-4 weeks |
| Damp Proof Course | £450 | £1,085 | £2,260 | 1-3 days |
| New Build Garage | £9,030 | £16,255 | £27,090 | 3-5 weeks |
| Outbuilding or Garden Room | £10,835 | £22,575 | £45,150 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £905 | £1,625 | £2,710 | 1-2 days |
| Patio or Decking Build | £1,355 | £3,160 | £6,320 | 3-5 days |
Single Storey Extension
Low
£27,090
Average
£45,150
High
£72,240
8-12 weeks
Double Storey Extension
Low
£45,150
Average
£76,755
High
£126,420
12-20 weeks
Loft Conversion
Low
£22,575
Average
£40,635
High
£67,725
6-10 weeks
Garage Conversion
Low
£7,225
Average
£13,545
High
£22,575
2-4 weeks
Porch Build
Low
£2,260
Average
£4,065
High
£7,225
1-2 weeks
Garden Wall
Low
£720
Average
£1,355
High
£2,710
2-4 days
Knock Through Internal Wall
Low
£905
Average
£1,625
High
£3,160
2-4 days
Chimney Breast Removal
Low
£1,085
Average
£1,805
High
£3,160
2-4 days
Underpinning
Low
£4,515
Average
£10,835
High
£22,575
2-4 weeks
Damp Proof Course
Low
£450
Average
£1,085
High
£2,260
1-3 days
New Build Garage
Low
£9,030
Average
£16,255
High
£27,090
3-5 weeks
Outbuilding or Garden Room
Low
£10,835
Average
£22,575
High
£45,150
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£905
Average
£1,625
High
£2,710
1-2 days
Patio or Decking Build
Low
£1,355
Average
£3,160
High
£6,320
3-5 days
Regional comparison
How Rhondda Cynon Taff Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in Rhondda Cynon Taff?
Wales has a distinctive mix of housing, from Victorian and Edwardian terraces in the south to stone-built cottages and rural properties across the rest of the country. Rhondda Cynon Taff and the wider area around Swansea and the Valleys include many older properties that present challenges for builder work. Stone walls, exposed locations, and older infrastructure all tend to push costs toward the higher end.
Wales sits below the national average for trade costs. Labour rates in Rhondda Cynon Taff are typically 10% below the UK average. While this makes builder work more affordable, there can be fewer qualified professionals in rural areas compared to English cities, which can mean longer waiting times. In more populated areas, competition keeps prices reasonable. Always get at least three quotes.
Properties in Rhondda Cynon Taff can present specific challenges that affect builder costs. Stone-built and older Welsh terraces often have thick walls that make work more difficult and expensive. Properties in exposed or rural locations may face harsher weather conditions that influence timing and approach. For larger jobs in Rhondda Cynon Taff, expect to pay £45,150 to £126,420 for double storey extension.
When getting quotes in Rhondda Cynon Taff, 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 existing conditions, 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 Rhondda Cynon Taff
Explore costs for other services in the Rhondda Cynon Taff area.
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UK-wide pricing
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Common questions
Frequently Asked Questions
Common questions about builder costs in Rhondda Cynon Taff.