Compare 24 local agents, data from 102 active listings








We track 24 estate agents actively marketing properties in Thornhill, Cardiff, and we've ranked them all based on live listing data. selling a modern family home in this popular commuter suburb or looking to move into the area, finding the right agent can make a significant difference to your sale price and how quickly your property moves.
Thornhill sits in the CF14 postcode area of Cardiff, known for its excellent transport links and mix of contemporary housing. With an average asking price of £346,941 across 102 current listings, the market offers everything from terraced starter homes to substantial detached properties. Our comparison tool helps you find the agent with the right experience for your specific property type and price point.

24
Active Estate Agents
£346,941
Average Asking Price
102
Properties For Sale
Our data shows the current asking price landscape in Thornhill reflects a market that has seen some adjustment from its 2023 peak. According to home.co.uk listings data, average sold prices in the broader Thornhill area stand at approximately £290,202 over the last year, with homedata.co.uk reporting £284,206. These figures represent a modest decline of around 4-7% compared to the previous year, though the broader Cardiff postcode area (CF14) has shown more resilience with a 2% increase in average property prices over the last twelve months.
The Cardiff market overall experienced 11,200 property sales in the past year, though this represents a 15.5% drop in transaction volume compared to the previous twelve months. For Thornhill specifically, the market appears to be stabilising after this correction period. The CF14 postcode area, which includes Thornhill and surrounding suburbs, recorded 1,095 sales in the most recent measured period, indicating continued buyer interest in this part of north Cardiff despite the broader national slowdown.
When looking at asking prices versus sold prices, the current average of £346,941 in Thornhill suggests vendors are pricing with some optimism. Detached properties command the highest prices at an average of £528,074, while terraced homes average £247,647 and flats sit around £164,158. This spread indicates a market that caters to first-time buyers through to families seeking larger detached homes, with each segment showing distinct demand patterns.
Source: Homemove live listing data
The transaction data reveals interesting patterns about what types of properties are changing hands in Thornhill. Three-bedroom homes dominate the current listings with 37 properties available, followed closely by four-bedroom detached houses at 25 listings. This suggests strong demand from families upgrading from smaller homes, particularly given Thornhill's reputation for good schools and family amenities.
Two-bedroom properties represent another significant segment with 34 current listings, catering to first-time buyers and investors. The limited supply of one-bedroom flats (just 3 listings) and five-bedroom homes (2 listings) indicates potential gaps in the market that could present opportunities for sellers in these categories. New build activity in the broader CF14 postcode area has been concentrated in CF14 0, with 38 new homes sold in the most recent period, suggesting that Thornhill itself remains primarily a resale market with limited new development coming forward.
Price distribution analysis shows the market is weighted toward the £300,000 to £500,000 bracket, which accounts for 36 of the 102 current listings. The premium segment between £500,000 and £750,000 holds 22 listings, while more affordable options under £300,000 make up 44 properties. This distribution indicates healthy demand across multiple price points, though properties priced correctly for their condition and location continue to attract buyer interest.

Thornhill has established itself as one of Cardiff's most desirable commuter suburbs, benefiting from its strategic position near the M4 motorway and Lisvane & Thornhill railway station. The area predominantly features modern family homes constructed from the 1970s onwards, with a mix of detached, semi-detached, and terraced properties that appeal to professionals working in Cardiff city centre or the M4 corridor. The local geology of north Cardiff includes clay-rich soils which, while not typically problematic, do mean that proper foundations and drainage are important considerations for any property survey.
The character of Thornhill differs from older Cardiff suburbs like Roath or Llandaff, which feature Victorian and Edwardian period properties. Instead, Thornhill offers a more contemporary aesthetic with larger gardens and modern layouts that suit family life. Transport links are a major draw, with the railway station providing regular services to Cardiff Central and beyond, while the nearby A48 and M4 junction make car travel straightforward. Local amenities include shops, restaurants, and schools that serve the community well.
Flood risk in Thornhill is generally low compared to some other parts of Cardiff, though as with any property purchase, prospective buyers should conduct appropriate searches. The area is not directly affected by coastal erosion given its inland position, and while South Wales has historical coal mining activity, the CF14 postcode area has not been identified as a significant mining subsidence zone. The combination of modern housing stock, good transport connections, and family-friendly amenities makes Thornhill an attractive option for both buyers and sellers in the current market.

When choosing between agent types in Thornhill, sellers should consider how each model aligns with their specific property and timeline. Traditional high-street agents like Peter Alan, which maintains the largest market presence with 21 active listings and a 20.6% market share, offer face-to-face consultations, physical branch presence, and hands-on marketing support. Peter Alan operates from nearby Llanishen and handles properties averaging £330,714, positioning them strongly in the mid-market segment where most Thornhill properties sit.
For properties at the premium end of the Thornhill market, agents like Tathams (averaging £399,000 across 10 listings) and Ray & Brown (£401,111 average across 9 listings) provide specialist experience in higher-value sales. These agents tend to offer more comprehensive marketing packages including professional photography, floorplans, and dedicated viewing staff. Hern & Crabtree, located in the Heath area, focuses on properties averaging £330,990 and brings local knowledge of the north Cardiff market.
Online agents have made inroads into the Thornhill market, offering fixed-fee alternatives that can save money for sellers comfortable with managing part of the process themselves. However, the data shows that traditional percentage-based agents continue to dominate the market, with the top ten agents holding over 60% of all active listings. For sellers seeking maximum sale price rather than minimum cost, the personal service and market expertise of established high-street agents typically delivers better results.
Request free valuations from at least three different agents. In Thornhill's market, you should expect agents to provide detailed comparable evidence and explain their pricing strategy for your specific property type.
Ask for evidence of recent sales in your street or nearby roads. Agents with proven track records in Thornhill will be able to show you sold prices and time-on-market data for similar properties.
Ensure your agent plans comprehensive marketing including home.co.uk and homedata.co.uk listings, quality photographs, floorplans, and social media promotion. The best agents differentiate themselves through marketing quality.
Choose an agent who understands Thornhill's specific market dynamics, including transport links, school catchments, and local amenities that add value to your property.
Don't accept the first fee offered. Estate agent fees in England typically range from 1% to 3% plus VAT, and many agents are willing to negotiate, particularly for higher-value properties or sole agency agreements.
Understand the terms of your agency agreement, including the contract length (typically 8-16 weeks for sole agency) and what happens if you want to switch agents.
The top three agents in Thornhill control nearly 40% of the market. Using a well-established local agent with strong market share often means your property gets more visibility from serious buyers. Don't automatically choose the cheapest fee - consider the agent's track record and marketing reach.
Bedroom count significantly impacts both pricing and buyer demand in Thornhill. Three-bedroom properties represent the largest segment with 37 current listings averaging £329,595, making them the most competitive part of the market. These properties appeal strongly to families and typically sell within a reasonable timeframe when priced correctly, as demand consistently outstrips supply in this category.
Four-bedroom detached homes command premium prices averaging £524,920 across 25 listings, with this segment attracting buyers seeking space for growing families or home offices. The limited supply of five-bedroom properties (just 2 listings at £600,000 average) suggests potential for sellers in this bracket to achieve strong prices given the lack of comparable alternatives. Two-bedroom properties at £228,969 average across 34 listings serve the first-time buyer market and investors, with this segment showing consistent activity.
One-bedroom flats represent the most affordable entry point at £161,667 average across just 3 listings, though this limited supply may reflect seller hesitation rather than lack of demand. Properties with two or three bedrooms tend to sell fastest in Thornhill, while premium four and five-bedroom homes may take longer to find the right buyer but often achieve close to asking price when they do sell.

Pricing strategy in Thornhill requires careful analysis of current market conditions and comparable sales. With average sold prices around £284,000-£290,000 according to recent data, and current asking prices averaging £346,941, there exists a gap that suggests some vendors may be testing the market with optimistic pricing. Properties priced realistically for their condition and location tend to attract multiple viewings and offers, while overpriced homes can linger on the market and sell for less.
The key to maximising your sale price lies in selecting an agent who understands the local market nuances. Agents like Kelvin Francis, who handle properties averaging £455,000, bring experience with premium sales, while Peter Alan and Hern & Crabtree excel in the mid-market segment. Getting a valuation from an agent with specific experience in your street or property type will give you the most accurate price guidance.
Before instructing an agent, always request a free valuation from multiple providers and compare their assessments. The difference between agents can be significant, and a well-documented valuation based on recent sold prices in Thornhill will give you confidence in your asking price. Remember that the lowest fee is not always the best value - agents who achieve higher sale prices more quickly often represent better value despite charging higher commissions.

If you're buying in Thornhill, getting a professional survey is one of the most important steps in the purchase process. While the area predominantly features modern family homes built from the 1970s onwards, that doesn't mean properties are without potential issues. Our inspectors regularly identify defects in Thornhill properties that aren't visible during a standard viewing, from problems with cavity wall insulation installation to roofing issues that develop as properties age.
For modern properties in Thornhill, a RICS Level 2 Survey is typically sufficient and provides a thorough assessment of the condition of the property. This type of survey is particularly valuable for the three-bedroom terraced and semi-detached homes that dominate the market, as it highlights any issues with the construction, damp problems, or roof condition that might affect the property's value. Our inspectors know what to look for in north Cardiff's housing stock.
For older properties in Thornhill that may have been built before 1980, or if you're purchasing a premium four or five-bedroom detached home, a RICS Level 3 Building Survey offers more comprehensive analysis. This is especially important given the clay-rich soils found in parts of north Cardiff, where subsidence can occasionally be a concern. Having a detailed survey in hand before you commit gives you leverage in negotiations and about your investment.
Based on our live listing data, Peter Alan leads the Thornhill market with 21 active listings and 20.6% market share, making them the most active agent in the area. Tathams and Ray & Brown follow with strong presences at 9.8% and 8.8% respectively. For premium properties, Kelvin Francis handles properties averaging £455,000, while Jeffrey Ross focuses on the £371,000 segment. The best agent for your property depends on your specific price point and property type.
Estate agent fees in England typically range from 1% to 3% plus VAT (1.2% to 3.6% total). In Thornhill's market, you can expect to pay around 1.5% plus VAT on average, though this varies by agent and agreement type. Online fixed-fee agents offer alternatives starting from around £999-£1,999, while traditional high-street agents charge percentage-based fees. Always negotiate and compare multiple quotes before instructing an agent.
According to home.co.uk and homedata.co.uk data, Thornhill has seen prices decline around 4-7% compared to the previous year, following a broader national adjustment from the 2023 peak. However, the broader Cardiff CF14 postcode area has shown resilience with a 2% increase over the last twelve months. The market appears to be stabilising, and properties priced realistically are still selling.
Thornhill is a popular commuter suburb in north Cardiff, known for its modern family homes, good schools, and excellent transport links. The area benefits from Lisvane & Thornhill railway station providing regular services to Cardiff city centre, plus easy access to the M4 motorway. Local amenities include shops, restaurants, and parks, making it ideal for families and professionals working in Cardiff or along the M4 corridor.
Three-bedroom terraced and semi-detached homes are the most common and sell consistently in Thornhill. Four-bedroom detached properties also perform well, particularly for families needing extra space. The market sees strong demand across the £250,000 to £400,000 price bracket, with properties in good condition and realistic pricing attracting buyer interest within weeks.
The time-on-market varies by property type and price point. Properties priced correctly for current market conditions in Thornhill typically sell within 4-8 weeks, while those priced optimistically may linger for several months. The current market data suggests the majority of properties achieve sale within 3-6 months of listing, though premium properties can take longer.
For Thornhill, a local agent with established presence in north Cardiff typically offers advantages. Agents like Peter Alan, Hern & Crabtree, and Jeffrey Ross have physical offices nearby and proven track records in the area. They understand local market nuances, school catchments, and buyer preferences. Online agents may offer lower fees but often provide less personal service and may lack the local knowledge needed to maximise your sale price.
While not legally required to sell, getting a survey can help identify issues before buyers discover them during their own surveys. For modern properties in Thornhill, a RICS Level 2 Survey is usually sufficient, while older properties may benefit from a more comprehensive Level 3 Building Survey. Having a current survey available can demonstrate transparency to buyers and potentially speed up the conveyancing process.
Properties in Thornhill are predominantly modern construction from the 1970s onwards, but our inspectors frequently identify issues worth checking. These include problems with cavity wall insulation, roofing materials on newer builds, and drainage considerations given the clay-rich soils in north Cardiff. For any property over 30 years old, checking the condition of windows, doors, and any extensions is advisable. The area's proximity to the M4 makes properties near major roads potentially affected by traffic noise.
Thornhill is well-served by primary and secondary schools, with several good-rated options in the area. The proximity to reputable school catchments is a significant factor for families moving to Thornhill, and local agents often highlight school performance when marketing properties. Before buying, we recommend checking the latest Estyn inspection reports and understanding catchment area boundaries, as these can significantly impact property values.
From £400
Full structural survey for modern properties
From £600
Comprehensive building survey for older properties
From £60
Energy performance certificate required by law
From £150
Professional property valuation for all purposes
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Compare 24 local agents, data from 102 active listings
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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.