Add the postcode for your project so the results are accurate (you'll need to do this later anyway!)
Basement / Cellar Conversions in Rhondda Cynon Taff (17)
Search results
Describe your job
Give us the details of your job and we'll send it to specialist trades for you
Describe your job
Receive multiple quotes for your job from reviewed and trusted tradespeople
Services & skills
BuilderBasement / Cellar ConversionsBrick / Concrete Structural RepairsPartition WallsDiamond DrillingServices & skills
BuilderBasement / Cellar ConversionsSustainable ConstructionFoundationsProject ManagementJN Building Services & Property Development LTD
9.95
(14 reviews)Operates in Rhondda Cynon Taf - Rhondda Cynon Taf
Services & skills
BuilderBasement / Cellar ConversionsConcrete GaragesBrick / Concrete Structural RepairsEquestrian Stable- A
ADS Carpentry and Building Services
9.75
(60 reviews)Operates in Rhondda Cynon Taf - Rhondda Cynon Taf
Services & skills
BuilderBasement / Cellar ConversionsCladdingConcretingGarage Conversions Services & skills
BuilderBasement / Cellar ConversionsInsurance Claim SpecialistGarage ConversionsSustainable ConstructionServices & skills
BuilderBasement / Cellar ConversionsDemolitionProperty Maintenance / RepairExtensions / ConversionsServices & skills
BuilderBasement / Cellar ConversionsLoft ConversionsStructural DesignConcretingTri Dyn Electrical and Building Services
9.93
(18 reviews)Operates in Rhondda Cynon Taf - Rhondda Cynon Taf
Services & skills
BuilderBasement / Cellar ConversionsCladdingSteel Work DesignConcrete GaragesServices & skills
BuilderBasement / Cellar ConversionsConcrete GaragesCladdingRefurbishmentsServices & skills
BuilderBasement / Cellar ConversionsWarehouse RackingMastic SealantGeneral BuildingMM Building and Construction working with MIKEL renovations
10.00
(34 reviews)Operates in Rhondda Cynon Taf - Rhondda Cynon Taf
Services & skills
BuilderBasement / Cellar ConversionsExtensions / ConversionsGeneral BuildingWorkshop Design / ConstructionServices & skills
BuilderBasement / Cellar ConversionsBrick / Concrete Structural RepairsFoundationsExtensions / Conversions
Top rated Basement / Cellar Conversions in Rhondda Cynon Taf - Rhondda Cynon Taf
10
/10
65 ratings
Our Basement / Cellar Conversions in Rhondda Cynon Taf - Rhondda Cynon Taf are rated an average of 10 out of 10 based on a sample of 65 reviews from customers like you*
*This review aggregate is based on real customer reviews from a randomly selected postcode in this area
Find Companies for Basement and Cellar Conversions in Rhondda Cynon Taf - Rhondda Cynon Taf
Dreaming of converting your cellar or basement into a home office, cinema room, or guest bedroom, but unsure about who to hire and how much it will cost?
Checkatrade can help.
Keep reading for everything you need to know about basement and cellar conversions in Rhondda Cynon Taf - Rhondda Cynon Taf and how to hire a checked and reviewed tradesperson for the job.
Want to jump straight into it? Try our quick request a quote feature and we’ll put you in touch with experienced basement conversion companies covering your local area.
Average cellar conversion costs in Rhondda Cynon Taf - Rhondda Cynon Taf
Expect to pay between £8731 and £23251 , with an average cost of £14323.
Looking for basement excavation prices? Our cost guide to building a basement has all the details.
Top tip: You can also try out our job estimate calculator to get a steer idea on costs for your project.
Do I need planning permission to convert a cellar?
Most cellar conversions don’t need planning permission if you’re converting an existing space.
However, if you’re excavating deeper, changing the external appearance, or creating a new entrance, you’ll likely need permission and Building Regulations approval.
Contact your local authorities as a first port of call.
Is a cellar conversion worth it?
Yes – converting a cellar can add valuable living space and increase the property value. It’s also a great option for homeowners in areas where extending upward or outward isn’t possible.
Are basements legal in the UK?
Basements and cellars are legal in the UK, but the work must comply with UK Building Regulations.
This ensures the conversion meets industry-standard requirements for damp proofing, ventilation, fire safety, and structural safety.
Can you convert a cellar into a bedroom?
Yes - with the right planning and building work, you can convert a cellar into a bedroom, guest suite, or even a self-contained studio.
To meet building regulations, your cellar bedroom will need:
- Proper ventilation and insulation
- A safe fire escape route
- Adequate ceiling height and natural light
- In some cases, planning permission
These checks aren’t just for comfort - they’re essential if you ever decide to sell your home. A compliant conversion can add value and avoid issues during surveys or legal checks.
Why use Checkatrade?
- Fully checked contractors covering your local area
- Insurance always listed
- Easy to compare multiple profiles
- Handy reviews from local customers
- Covered by the Checkatrade Guarantee (T&Cs apply)
Looking for more tradespeople in Rhondda Cynon Taf - Rhondda Cynon Taf?
Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in Rhondda Cynon Taf - Rhondda Cynon Taf and check out our latest home improvement guides.
- Builder in Rhondda Cynon Taff
- Wall Tie Replacements in Rhondda Cynon Taff
- Brick Concrete Structural Repairs in Rhondda Cynon Taff
- Concreting in Rhondda Cynon Taff
- General Building in Rhondda Cynon Taff
- New Builds in Rhondda Cynon Taff
- Fire And Flood Renovation in Rhondda Cynon Taff
- Partition Walls in Rhondda Cynon Taff
- Agricultural Building in Rhondda Cynon Taff
- Extensions Conversions in Rhondda Cynon Taff
- Loft Conversions in Rhondda Cynon Taff
- Period Property Restoration in Rhondda Cynon Taff
- Roofer in Rhondda Cynon Taff
- Builder in Rhondda Cynon Taff
- Plumber in Rhondda Cynon Taff
- Tv Aerials Satellite Services in Rhondda Cynon Taff
- Gardener in Rhondda Cynon Taff
- Damp Proofer in Rhondda Cynon Taff
- Electrician in Rhondda Cynon Taff
- Garden Clearance in Rhondda Cynon Taff
- Painter Decorator in Rhondda Cynon Taff
- Handyman in Rhondda Cynon Taff
- Carpenter in Rhondda Cynon Taff
- Rubbish Waste Clearance in Rhondda Cynon Taff
- Basement / Cellar Conversions in Manchester
- Basement / Cellar Conversions in London
- Basement / Cellar Conversions in Edinburgh
- Basement / Cellar Conversions in Sheffield
- Basement / Cellar Conversions in Northampton
- Basement / Cellar Conversions in Glasgow
- Basement / Cellar Conversions in Leeds
- Basement / Cellar Conversions in Nottingham
- Basement / Cellar Conversions in Derby
- Basement / Cellar Conversions in Altrincham
- Basement / Cellar Conversions in Birmingham
- Basement / Cellar Conversions in Stockport
- Roofer in Rhondda Cynon Taff
- Builder in Rhondda Cynon Taff
- Plumber in Rhondda Cynon Taff
- Tv Aerials Satellite Services in Rhondda Cynon Taff
- Gardener in Rhondda Cynon Taff
- Damp Proofer in Rhondda Cynon Taff
- Electrician in Rhondda Cynon Taff
- Garden Clearance in Rhondda Cynon Taff
- Painter Decorator in Rhondda Cynon Taff
- Handyman in Rhondda Cynon Taff
- Carpenter in Rhondda Cynon Taff
- Rubbish Waste Clearance in Rhondda Cynon Taff
- Basement / Cellar Conversions in Manchester
- Basement / Cellar Conversions in London
- Basement / Cellar Conversions in Edinburgh
- Basement / Cellar Conversions in Sheffield
- Basement / Cellar Conversions in Northampton
- Basement / Cellar Conversions in Glasgow
- Basement / Cellar Conversions in Leeds
- Basement / Cellar Conversions in Nottingham
- Basement / Cellar Conversions in Derby
- Basement / Cellar Conversions in Altrincham
- Basement / Cellar Conversions in Birmingham
- Basement / Cellar Conversions in Stockport