Caerphilly: 02920 888400   |   Ystrad Mynach: 01443 223300      

Search Properties

request a property valuation

Free Valuation

Book a Free, no obligation Sales or Lettings Valuation today.

register with us

Register With Us

Want to keep up to date with properties you might be interested in? Register with us to receive regular property updates.



We have a dedicated financial adviser who offers advice and will be able to discuss up to date mortgage deals to suit your criteria.

Diamonds are an independent Estate Agent established in 1979, specialising in sales, lettings and property management.

We offer an honest, professional and transparent approach with customer service being our priority. Our offices are located in Caerphilly & Ystrad Mynach, both in the heart of busy Town Centres, and cover a wide area including Caerphilly County Borough, Rhondda Cynon Taf and Cardiff.

An experienced Valuer will meet you at your property at a time convenient for you to discuss your options and the process of selling or letting your home. Diamonds are a flexible company and we will go that extra mile to ensure you get the service you are looking for. We offer out of hours appointments, feedback after every viewing and regular updates with the progress of marketing your property.

Latest Properties

Princes Avenue

Princes Avenue, Caerphilly


3    1    1   

COMING SOON... An exceptional three bedroom detached bungalow which has been completely refurbished to a high standard. The property comprises of three good sized bedrooms, New modern fitted (...)

Commercial Street Senghenydd

Commercial Street Senghenydd, Caerphilly

Monthly Rental Of £425

1    1    1   

LARGE ONE BEDROOM FLAT WITH KITCHEN/DINER Diamonds are pleased to present to the market this spacious first floor flat that features a generous lounge, bedroom, kitchen and shower room. Available now (...)

Southern Street

Southern Street, Caerphilly


3    1    2   

NEW TO THE MARKET! Diamonds are pleased to present to the market this beautifully refurbished 3 bedroom end of terrace property with lots of potential. The property has been extensively renovated (...)

Ilan Road Abertridwr

Ilan Road Abertridwr, Caerphilly

Monthly Rental Of £425

1    1    1   

ONE DOUBLE BEDROOM, GROUND FLOOR FLAT WITH GARDEN. Diamonds are pleased to offer this property for let and comprises of a kitchen, lounge, bathroom and bedroom. Garden. Close to public transport and (...)

What Our Customers Say...

  • Excellent service from Diamonds! We were very impressed with your professionalism and pro activeness when dealing with the sale of our property. We will certainly be recommending you."Linda & Kelvin
  • A big thank you. "Pam & Howard
  • Thank you for a quick sale, from start to finish it was a pleasure dealing with your company. "Laura
  • A great team, we really appreciate all your help with the letting of our property. "Edward & Julia

Get Social


Check out our Facebook page to be the first to hear about property news and our latest properties


We'll be tweeting about all the latest industry news and property updates

Contact Us

If you are looking to buy, sell or let a property and would like a FREE property valuation, contact us via the details below and a member of our team will be in touch.

Caerphilly Office
1 St Fagans Street
CF83 1FZ​

02920 888400

Ystrad Mynach Office
11 Bedwlwyn Road
Ystrad Mynach
CF82 7AA​

01443 223300

Please read our privacy notice for information on how we use your details.

Property Portals