Compare 24 local agents, data from 87 active listings








We track 24 estate agents actively marketing properties in ME4 3, and we've ranked them all based on live listing data, market share, and average asking prices. selling a modern apartment on St Mary's Island or a family home in this riverside corner of Chatham, finding the right agent makes all the difference to your final sale price and how quickly your property moves.
The ME4 3 property market centres around St Mary's Island, a highly sought-after modern development overlooking the River Medway. With an average asking price of £373,505 across 87 active listings, this postcode offers everything from compact one-bedroom flats to spacious four-bedroom executive homes. We've analysed every agent operating in this area to bring you the most comprehensive comparison.
Our data updates daily, giving you real-time insight into which agents are winning listings, how they're pricing properties, and what it takes to sell successfully in this competitive Medway market. Use our free comparison tool below to request valuations from the top-performing agents in your area.

24
Active Estate Agents
£373,505
Average Asking Price
87
Properties For Sale
The ME4 3 postcode encompasses St Mary's Island, one of Chatham's most desirable residential locations. Our data reveals 87 active sale listings across this riverside development, with properties ranging from one-bedroom flats starting around £188,000 to five-bedroom executive homes exceeding £600,000. The average asking price sits at £373,505, reflecting the premium nature of this waterside setting.
Recent sold price data from the Land Registry shows significant variation across different sub-postcodes within ME4 3. The ME4 3AZ sector has demonstrated remarkable strength, with prices jumping 42% year-on-year despite being 6% down from its 2023 peak of £595,000. In contrast, ME4 3LA has experienced more challenging conditions, with prices falling 7% year-on-year and sitting 25% below its 2022 peak of £657,498, though recent activity shows a modest 1.2% increase since August 2025. The ME4 3JR sector has been a standout performer, with prices climbing 23% year-on-year and now 19% above its 2022 baseline.
When examining specific property types, the data reveals clear price stratification. Detached properties in ME4 3 command an average of £536,249, while semi-detached homes average £490,556. Terraced properties, more common in certain sections of the island, average £435,833, and flats - the most abundant property type with 34 listings - average £248,132. This diversity means buyers and sellers alike need agents who understand the nuanced dynamics of each sector.
The ME4 3 rental market, while smaller with just 11 active listings, offers investors additional opportunities. Average rental prices hover around £1,100-£1,200 per month, with one-bedroom flats achieving around £900-£1,050 and larger properties reaching £1,595. This rental segment is served by agents including Phoenix Property Services, Connells, and Rochester Lettings, providing landlords with professional management options.
Source: Homemove live listing data
Transaction activity across ME4 3 reveals interesting patterns about what's driving the local market. Analysis of sold property data shows the ME4 3LA sector has recorded 71 sales since 1995, making it one of the most transaction-active areas within this postcode. The ME4 3AX sector saw 18 properties change hands over the past decade, with the most recent sale in August 2025. This steady flow of transactions indicates a healthy, liquid market where sellers have reasonable confidence in finding buyers.
New build activity remains a significant feature of ME4 3, particularly on St Mary's Island itself. This modern riverside development continues to attract interest from buyers seeking contemporary living, with properties ranging from one-bedroom flats priced from around £180,000 to three-bedroom family homes reaching £550,000. The development features a mix of waterfront apartments and semi-detached properties, appealing to both first-time buyers and families upsizing. Four-bedroom executive detached homes command premium prices, often exceeding £420,000 in this highly sought-after location.

St Mary's Island in ME4 3 represents a distinctive residential offering within the Medway area. Built predominantly from the late 1990s onwards, the island features modern executive homes and stylish apartments designed to maximise views over the River Medway. The population stands at approximately 2,852 residents across 1,162 households, creating a close-knit community feel despite the relatively recent development of the area.
The geological characteristics of the wider Medway area include London Clay deposits, which present considerations for property foundations - particularly for larger detached homes with deeper footings. London Clay is a shrinkable clay that can pose shrink-swell risks to foundations, especially for properties without adequately deep foundations or those near large trees. Potential buyers should note that properties near the river may face surface water and river flooding concerns, given the island's riverside position. While no specific conservation areas exist within ME4 3 itself (reflecting the modern nature of the development), the nearby historic towns of Rochester and Chatham offer period architecture and character for those seeking traditional properties.
Transport connectivity significantly enhances the appeal of ME4 3 for commuters. Chatham railway station provides regular services to London St Pancras via the high-speed rail link, journey times of approximately 45 minutes make this postcode particularly attractive to City workers and professionals seeking a quieter residential setting. The area also benefits from good road links via the M2 and M20 motorways, connecting residents to the wider Kent region and the Channel ports. Local schools include St Mary's Island Primary School, serving families with children, while the nearby towns of Rochester and Chatham offer additional educational options.
Sellers in ME4 3 have a genuine choice between traditional high-street estate agents and modern online alternatives. Island Homes dominates the local market with 32.2% market share and 28 active listings at an average price of £368,571, establishing themselves as the go-to agent for St Mary's Island properties. Your Move operates from Chatham with 6 listings averaging £367,333, while Clifton & Co Estate Agents focus on the premium sector with an average asking price of £520,997 - significantly above the area mean.
For sellers seeking alternatives to percentage-based commissions, online agents including Yopa and Purplebricks operate in ME4 3. Yopa currently markets 3 properties at an average of £480,000, while Purplebricks has 2 listings averaging £415,000. These fixed-fee options can prove cost-effective for properties in the lower price brackets, though sellers should weigh the potential trade-off in marketing reach and personal service against the fee savings. Traditional agents like Robinson Michael & Jackson, with an average price of £307,500 across 4 listings, offer established local expertise and face-to-face valuation services that many sellers still prefer.
The rental market in ME4 3 is served by specialist agents including Phoenix Property Services and Connells, each managing 2 rental listings. Rochester Lettings handles premium rental properties at higher price points averaging £1,595 per month, while Kent Residential and Openrent offer more affordable options. For landlords considering letting their ME4 3 property, these agents provide local expertise in tenant sourcing and property management.

Look for agents with strong track records in ME4 3. Check how many active listings they have and their average asking prices compared to similar properties.
Request free valuations from at least three agents. Be wary of inflated valuations designed to win your business - compare their suggested asking prices against current market data.
Estate agent fees in England typically range from 1% to 3% plus VAT. Consider whether you want sole or multi-agency arrangements, remembering that multi-agency agreements usually cost more but can reach more buyers.
Ask about photography, floor plans, virtual tours, and online exposure. Properties in competitive areas like St Mary's Island need strong marketing to stand out.
Look for feedback from sellers in similar property types and price ranges. The experiences of others can reveal important insights about communication and negotiation skills.
Don't accept the first fee offered. Many agents are willing to negotiate, particularly if you can demonstrate competing quotes or strong rationale for a lower rate.
Before instructing any estate agent, always get at least three free valuations. This gives you bargaining power and helps you understand the true market value of your property in current conditions.
Understanding how prices vary by bedroom count helps sellers position their property correctly and buyers identify value opportunities. Our listing data for ME4 3 shows three-bedroom properties are most prevalent, with 28 homes currently on the market averaging £405,893. Two-bedroom properties follow closely with 27 listings averaging £266,333, representing the entry point for many first-time buyers seeking a foothold in this desirable riverside area.
Four-bedroom homes command the highest average prices at £562,884 across 13 listings, reflecting demand from families seeking space in this quality location. One-bedroom flats, while fewer in number at 11 listings, average £188,364 and serve the first-time buyer and investor segments. The premium end of the market includes five-bedroom properties averaging £612,070 across 7 listings - typically executive homes with river views or larger plot sizes on St Mary's Island.
Looking at price ranges, the majority of listings (40 properties) fall in the £300,000-£500,000 bracket, representing the heart of the market. Twenty-one properties sit in the £200,000-£300,000 range, while 15 premium properties exceed £500,000. The sub-£200,000 segment contains 10 listings, primarily one-bedroom flats suitable for first-time buyers or buy-to-let investors entering the ME4 3 market.

Pricing strategy in ME4 3 requires careful calibration given the varied performance across different sub-postcodes. Properties in the ME4 3AZ sector, which has shown 42% annual price growth, may justify optimistic asking prices, while sellers in ME4 3LA - where prices sit 25% below the 2022 peak - may need to price more competitively to attract serious buyers. The key is working with an agent who understands these micro-market dynamics.
Agent fees represent a significant cost but should be weighed against the potential difference in final sale price. A skilled negotiator achieving even a 2-3% higher sale price on a £400,000 property more than compensates for a 0.5% higher commission rate. Many sellers focus too narrowly on the headline fee percentage without considering the agent's ability to market effectively, attract qualified buyers, and negotiate strongly on their behalf.
Different agents bring different strengths to your sale. Island Homes leads with local market dominance and proven results on St Mary's Island. Clifton & Co targets the premium sector with higher-value properties. For budget-conscious sellers, Yopa and Purplebricks offer fixed-fee alternatives that work well for properties under £300,000 where percentage fees become proportionally larger. Choose an agent whose expertise matches your property type and price point.

Based on our live listing data, Island Homes leads the ME4 3 market with 32.2% market share and 28 active listings at an average price of £368,571. Your Move and Clifton & Co Estate Agents follow with 6.9% and 5.7% market share respectively, offering strong alternatives. The top three agents together control nearly 45% of the market, making them the most significant players for sellers to consider when choosing representation.
Estate agent fees in England typically range from 1% to 3% plus VAT (1.2% to 3.6% including VAT), and ME4 3 follows this national pattern. Agents like Island Homes and Your Move operate on percentage-based models, while online agents like Yopa and Purplebricks offer fixed-fee alternatives that can save money on lower-value properties. The average falls around 1.5% plus VAT, though the right fee depends on the level of service, marketing support, and local expertise you require.
The picture is mixed across different sub-postcodes within ME4 3. ME4 3AZ has shown strong 42% year-on-year growth, reaching average values of £562,250. Meanwhile, ME4 3LA is 7% down on last year and 25% below its 2022 peak of £657,498, though it has shown modest recovery with 1.2% growth since August 2025. ME4 3JR has performed well with 23% annual growth, now 19% above its 2022 baseline. Overall, the ME4 postcode area shows prices similar to the previous year, with national growth subdued at 1.3% annually.
ME4 3 centres on St Mary's Island, a modern riverside development with approximately 2,852 residents across 1,162 households. The area offers contemporary housing with scenic river views over the River Medway, plus excellent commuting links to London via Chatham station (around 45 minutes on the high-speed service). Local amenities include St Mary's Island Primary School, shops, and recreational facilities, while the nearby historic towns of Rochester and Chatham provide additional cultural attractions, restaurants, and period architecture.
The market offers diverse property types including 34 flats averaging £248,132, 12 detached homes averaging £536,249, 9 semi-detached properties averaging £490,556, and 6 terraced houses averaging £435,833. One-bedroom flats start around £188,000, while four-bedroom executive homes can exceed £550,000. The price range spans from £100,000 for entry-level properties up to £750,000-plus for premium executive homes with river views on St Mary's Island.
Yes, St Mary's Island is itself a modern riverside development with ongoing new build activity continuing to shape the area. Properties range from one-bedroom flats from around £180,000 to three-bedroom family homes up to £550,000. Four-bedroom executive detached homes typically cost between £420,000 and £440,000, with premium waterside positions commanding higher prices. The development attracts major housebuilders and offers both freehold and leasehold options depending on property type.
Sale times vary depending on property type, pricing, and market conditions within specific sub-postcodes. Properties priced correctly for current conditions in the ME4 3JR sector (showing strong 23% annual growth) may sell more quickly than those in softer segments like ME4 3LA. Working with an experienced local agent like Island Homes ensures your property is priced competitively based on real-time market data and marketed effectively to attract qualified buyers quickly.
The choice depends on your priorities, property type, and price point. Traditional agents like Island Homes (32.2% market share) offer local expertise, face-to-face service, stronger marketing presence, and negotiation skills but charge percentage-based fees. Online agents like Yopa and Purplebricks offer fixed fees that can save money but may provide less personal service and limited local connections. For premium properties averaging above £400,000, traditional agents typically deliver better results through their established buyer networks and negotiation expertise.
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Compare 24 local agents, data from 87 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.