Compare 30 local agents, data from 135 active listings








We track 30 estate agents actively marketing properties in Old St. Mellons, and we've ranked them all based on live listing data, market share, and average asking prices. selling a family home in this sought-after Cardiff suburb or looking to move into the area, finding the right agent can make a significant difference to your sale price and timeline.
Old St. Mellons sits in the CF3 postcode, offering a balance of suburban tranquility with excellent transport links to Cardiff city centre. With an average asking price of £400,276 across 135 current listings, the local market shows strong demand, particularly for three-bedroom semi-detached properties which dominate the sales mix. Our comparison tool helps you find the agent with the right experience and market presence for your specific property type.
Selling your home is one of the biggest financial decisions you'll make, and the agent you choose plays a crucial role in achieving the best outcome. We've analysed every active agent in Old St. Mellons to bring you transparent, data-driven comparisons that help you make an informed choice. From high-street specialists with proven local track records to contemporary online agents offering competitive fees, we cover the full spectrum of options available in this thriving Cardiff suburb.

30
Active Estate Agents
£400,276
Average Asking Price
135
Properties For Sale
The Old St. Mellons property market operates within the broader CF3 postcode area, with current average house prices sitting around £299,950 to £387,665 depending on the data source. Our live Atlas data shows an average asking price of £387,665, which suggests sellers are pricing competitively with room for negotiation. The market has demonstrated resilience, with prices reported as 9% up on the previous year and an impressive 15% up on the 2022 peak of £284,471, indicating strong medium-term growth. --- NEXT===
However, sector-level variations reveal a more nuanced picture. While overall trends are positive, specific postcode sectors have shown divergent performance. The CF3 6AF sector experienced a remarkable 20% increase on its 2022 peak, while CF3 6WA saw prices 7% down on the previous year and CF3 6YA was 22% down on its 2023 peak. Approximately 100 properties were sold in Old St. Mellons over the past year, representing a 13.04% change in transaction volume and reflecting active market conditions.
The most active price band is the £200,000 to £300,000 range, which accounts for 46 of the current 126 listings. This aligns with Land Registry data showing 77.06% of sales occurring in this price bracket over the past two years. Semi-detached houses dominate the sales mix at 35.93% of all transactions, making them the backbone of the Old St. Mellons market. Detached properties represent the premium segment with 45 listings averaging £597,886, while terraced homes and flats serve the entry-level buyer segments. --- NEXT===
The rental market in Old St. Mellons remains relatively small with just 7 active listings across 6 agents, indicating limited rental stock in this predominantly owner-occupied suburb. Martin & Co leads the rental market with 2 listings at an average of £1,495 per month, followed by Hern & Crabtree, Allen & Harris, Taylors, and Harry Harper Sales & Lettings. This suggests strong owner-occupier demand rather than rental investment activity in the area. --- NEXT===
Source: Homemove live listing data
Three-bedroom semi-detached properties are the driving force of the Old St. Mellons market, with 59 current listings at an average price of £306,402. This property type appeals to families and first-time buyers alike, offering the ideal balance of space and affordability in a Cardiff suburb that remains more accessible than city-centre prices. The strong representation of three-bedroom homes in the current stock reflects both buyer preference and the area's demographic composition. --- NEXT===
Detached properties represent 45 of the 126 listings, commanding an average price of £597,886 and attracting buyers seeking larger family homes with gardens. The premium end of the market includes four-bedroom homes at an average of £479,995 and five-bedroom properties at £964,995, while the top tier features six and seven-bedroom homes reaching above £1 million. Interestingly, only 1 flat is currently listed, suggesting limited apartment stock in this predominantly residential suburb where houses dominate the character. --- NEXT===
Two-bedroom properties serve as popular entry points for first-time buyers, with 23 listings averaging £223,293. These homes typically sell quickly given the affordability gap between one and three-bedroom options. One-bedroom flats, while scarce at just 2 listings, represent the most affordable entry at £149,975 average, though limited supply suggests unmet demand in this segment. The overall picture is one of a family-focused market with strong activity in the £200,000 to £500,000 range. --- NEXT===

Old St. Mellons occupies a distinctive position as a suburb that retains village charm while offering excellent connectivity to Cardiff Bay and the city centre. The area primarily consists of residential housing developed from the mid-20th century onwards, with semi-detached properties forming the backbone of the streetscape. The CF3 postcode encompasses several smaller communities including St. Mellons itself, which has seen significant development in recent years as Cardiff continues to expand eastward.
For commuters, the location proves advantageous with easy access to the A48(M) and M4 motorway, connecting residents to Newport, Bristol, and beyond. Local amenities include shops, schools, and recreational facilities, with more extensive retail and leisure options available in nearby Cardiff Bay. The area appeals particularly to families drawn to the combination of good schools, green spaces, and relatively more affordable housing compared to central Cardiff neighbourhoods.
The demographic profile of Old St. Mellons and surrounding CF3 areas skews towards working families and professionals employed in Cardiff's growing service and public sectors. The property profile suggests a mature housing stock with a mix of owner-occupied and privately rented homes. While specific conservation area data was not available in our research, the overall character remains residential and family-oriented with good local infrastructure.
The housing stock predominantly uses traditional construction methods common throughout South Wales, with a mix of brick and rendered exterior finishes. Given the variety of property ages in the area, from post-war semis to more recent developments, buyers should consider obtaining a thorough survey to identify any property-specific issues. Our data shows no significant geological or flood risk concerns specific to Old St. Mellons, though we always recommend property-specific checks for .
The Old St. Mellons market features a diverse mix of local specialists and national chains, each bringing different strengths. Martin & Co leads the market with 27 active listings and a 20% market share, positioning themselves as the dominant agent in the area with an average asking price of £387,665. Their high volume of stock suggests strong local brand recognition and established relationships with sellers across price points. For properties in the £250,000 to £350,000 range, their market presence offers significant exposure. --- NEXT===
Tauk operates nationally but has captured 16.3% of the Old St. Mellons market with 22 listings at an average price of £387,665, appealing to budget-conscious sellers. Peter Alan, based in nearby Rumney, maintains 12 listings with an average asking price of £387,665, positioning slightly higher in the market. For premium properties, Kelvin Francis stands out with an average asking price of £964,995, representing the top end of the market where specialist knowledge and targeted marketing prove essential. --- NEXT===
Beyond the top five agents, several other reputable firms operate in the area with varying specialisms. Williamson & Co holds 6.7% market share with 9 listings averaging £387,665, while Jeffrey Ross focuses on premium properties with 5 listings at £964,995 average. Darlows and Mgy serve the mid-market segment, and specialists like Matthews Estate Agents (averaging £387,665) and Moginie James (averaging £597,886) offer expertise in specific price brackets. Urban Suburban and Chambers Estate Agents provide additional options for sellers seeking personalized service. --- NEXT===
When selecting an agent, consider whether you need a high-street presence with physical offices or prefer the cost-effectiveness of online-only services. Traditional agents like Peter Alan and Williamson & Co offer face-to-face consultations and local branch networks, while online agents may provide lower fees but less personal service. The typical commission rate in England ranges from 1% to 3% plus VAT, with most Old St. Mellons agents operating around the 1.5% plus VAT mark. Always request a free valuation from multiple agents before instructing, as this provides comparative market insights and negotiating leverage.
Start by understanding which agents actively operate in Old St. Mellons. Look at their current listings, average asking prices, and how long properties stay on the market. Our data shows 30 agents compete in this market, so you have genuine choice.
Request free valuations from at least three agents. This is crucial for understanding your property's realistic market value. Be wary of agents who overprice to win your instruction, as overpriced properties often linger on the market and sell for less.
Ask about photography quality, floor plans, virtual tours, and online exposure. In a competitive market like Old St. Mellons with 135 listings, professional marketing makes your property stand out. Ensure your agent markets across home.co.uk, homedata.co.uk, and social media.
Estate agent fees in England typically range from 1% to 3% plus VAT. Some agents offer fixed fees while others charge percentage-based commissions. Consider whether you want sole agency (typically 8-16 weeks) or multi-agency terms, as the latter usually costs more but provides broader market coverage.
Look for testimonials from sellers in similar property types and price ranges. An agent who successfully sells three-bedroom semis may not be the right choice for a premium detached home. Local knowledge and relevant experience matter significantly.
Don't accept the first terms offered. Many fees are negotiable, particularly if you have multiple agents competing for your business. Ensure you understand what's included in the fee and any additional costs such as marketing expenses or admin fees.
Properties in Old St. Mellons most commonly sell between £200,000 and £300,000, with three-bedroom semi-detached homes dominating the market. To achieve the best price, ensure your agent has proven experience in your specific property type and price range. Martin & Co leads with 20% market share, but premium agents like Kelvin Francis may better serve properties above £500,000. --- NEXT===
The bedroom count significantly influences both pricing and market dynamics in Old St. Mellons. Three-bedroom properties represent the largest segment with 59 listings at an average price of £306,402, making them the most actively traded property type. These homes attract strong demand from families and first-time buyers, typically selling within reasonable timeframes given the volume of buyer interest. --- NEXT===
Four-bedroom detached homes form the second largest segment at 22 listings with an average price of £479,995. These properties appeal to upsizing families and typically require agents with experience marketing larger homes to qualified buyers. The premium segment includes five-bedroom properties at £964,995 and larger homes exceeding £1 million, where specialised marketing and target buyer outreach become essential. --- NEXT===
Two-bedroom properties, with 23 listings averaging £223,293, serve as popular entry points for first-time buyers. These properties typically sell quickly given the affordability gap between one and three-bedroom options. One-bedroom flats, while scarce at just 2 listings, represent the most affordable entry at £149,975 average, though limited supply suggests unmet demand in this segment. --- NEXT===
The price distribution shows healthy activity across multiple brackets, with 46 listings in the £200,000 to £300,000 range alone. This spread indicates a diverse buyer pool attracted to Old St. Mellons' combination of affordability compared to central Cardiff and strong transport links. Properties priced correctly within these popular segments tend to generate competitive interest from the active buyer base. --- NEXT===
Based on our live market data, Martin & Co leads with 20% market share and 27 active listings, making them the most active agent in the area. Tauk follows with 16.3% market share, while Peter Alan holds 8.9%. For premium properties above £500,000, Kelvin Francis and Jeffrey Ross offer specialist experience with average asking prices of £964,995 and £964,995 respectively. The best agent depends on your property type and price range, as each agent has distinct strengths in different market segments. --- NEXT===
Estate agent fees in England typically range from 1% to 3% plus VAT (1.2% to 3.6% including VAT). Most agents in the Old St. Mellons area charge around 1.5% plus VAT, which translates to approximately £4,500-£6,000 in fees for a property at the average asking price of £387,665. Online agents like Tauk may offer fixed fees typically between £999 and £1,999, while high-street agents generally charge percentage-based commissions. Always negotiate and compare quotes from multiple agents before making your decision. --- NEXT===
Yes, overall house prices in Old St. Mellons and the CF3 postcode area have increased by approximately 9% year-on-year and 15% above the 2022 peak of £284,471. However, performance varies significantly by specific postcode sector, with CF3 6AF showing impressive 20% growth while CF3 6WA experienced 7% decline and CF3 6YA saw 22% drop from its 2023 peak. The overall market trend remains positive, with approximately 100 properties sold in the past year indicating sustained transaction activity. --- NEXT===
Old St. Mellons offers a suburban village atmosphere with excellent transport links to Cardiff city centre via the A48(M) and easy access to the M4 motorway connecting to Newport and Bristol. The area features predominantly semi-detached housing from mid-20th century development, with good local schools, shops, and recreational facilities including proximity to Cardiff Bay for additional amenities. It appeals particularly to families seeking affordable yet well-connected accommodation relative to central Cardiff, with properties typically ranging from £150,000 for flats to over £1 million for premium detached homes. --- NEXT===
Three-bedroom semi-detached properties dominate the market, accounting for 35.93% of all sales over the past two years and representing 45 of the 126 current listings. Most properties sell in the £200,000 to £300,000 price bracket, which represents 77% of transactions in the area. Detached family homes also perform well, particularly in the £400,000 to £
While specific timeframe data wasn't available, the Old St. Mellons market shows active transaction volumes with approximately 100 sales in the past year. Properties priced realistically within the main market segments, particularly three-bedroom semis in the £250,000-£350,000 range, typically achieve sales within reasonable timeframes given sustained buyer demand. Premium properties above £500,000 and flats may require longer marketing periods depending on buyer availability and current competition from similar listings.
Online agents like Tauk, with 16.3% market share and 22 listings, offer lower fees and can work well for straightforward property sales in popular price ranges. High-street agents like Peter Alan and Williamson & Co provide face-to-face service, local branch presence in nearby Rumney and Cardiff, and often have established buyer relationships through their local networks. For premium properties above £500,000, specialist agents like Kelvin Francis with an average asking price of £801,869 may deliver better results through targeted marketing to qualified buyers.
While not mandatory for selling, a survey can identify issues that might affect your sale or final price. RICS Level 2 surveys (Homebuyer Reports) starting from around £400 are recommended for properties in reasonable condition, typically suitable for modern semi-detached homes which dominate the Old St. Mellons market. For older properties or non-standard construction, a more comprehensive RICS Level 3 Building Survey starting from £600 provides detailed assessment of structural condition, damp, roofing, and other potential issues.
Our research indicates no specific active new-build developments located solely within the Old St. Mellons postcode area (CF3) with verifiable developer details and pricing. Property portal searches for the broader area show general listings, but no confirmed new-build sites within Old St. Mellons specifically. This suggests the area is predominantly characterised by existing housing stock rather than new development, which may appeal to buyers seeking established neighbourhoods with mature surroundings.
Beyond estate agent commission, sellers should budget for additional costs including solicitor fees (typically £500-£1,500), EPC assessment (from £60), and any necessary repairs or staging to prepare the property for market. If you're selling a property above £250,000, there's no longer an Estate Agent Fee Relief for Capital Gains Tax on residential property. Factor these costs into your overall moving budget when calculating expected proceeds from your Old St. Mellons sale.
From £400
Recommended for standard properties, identifies key issues
From £600
Comprehensive survey for older or non-standard properties
From £60
Required by law before selling, valid for 10 years
From £250
Required if selling property purchased with Help to Buy Wales
Estate Agents In London

Estate Agents In Plymouth

Estate Agents In Liverpool

Estate Agents In Glasgow

Estate Agents In Sheffield

Estate Agents In Edinburgh

Estate Agents In Coventry

Estate Agents In Bradford

Estate Agents In Manchester

Estate Agents In Birmingham

Estate Agents In Bristol

Estate Agents In Oxford

Estate Agents In Leicester

Estate Agents In Newcastle

Estate Agents In Leeds

Estate Agents In Southampton

Estate Agents In Cardiff

Estate Agents In Nottingham

Estate Agents In Norwich

Estate Agents In Brighton

Estate Agents In Derby

Estate Agents In Portsmouth

Estate Agents In Northampton

Estate Agents In Milton Keynes

Estate Agents In Bournemouth

Estate Agents In Bolton

Estate Agents In Swansea

Estate Agents In Swindon

Estate Agents In Peterborough

Estate Agents In Wolverhampton

Compare 30 local agents, data from 135 active listings
Find AgentsThe wrong agent could cost you thousands.
Compare top-rated local agents free.
The wrong agent could cost you thousands.
Compare top-rated local agents free.





Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.