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The Great Ashby property market demonstrates steady and consistent growth, with overall house prices increasing by 2.7% over the past 12 months. This moderate appreciation reflects the area's enduring appeal as a reliable residential location within North Hertfordshire. Detached properties command the highest values at an average of £520,000, representing a 3.0% increase year-on-year, while semi-detached homes average £380,000 with 2.5% growth. Terraced properties in the area average £310,000, showing 2.0% appreciation, and flats remain the most accessible entry point at approximately £200,000, increasing by 1.5% over the same period.
The market benefits from a lack of large-scale new-build development within the immediate SG6 postcode area, which helps maintain the value of existing properties by avoiding oversupply. Most new housing activity in the region concentrates in surrounding Stevenage and Hitchin, positioning Great Ashby as a predominantly established neighbourhood where buyers acquire homes within completed, mature developments. This supply constraint works in favour of existing homeowners, supporting values even during broader market fluctuations. The combination of limited new supply and consistent demand from commuters and families creates a stable environment for property investment.
Key employers in nearby Stevenage, including pharmaceutical companies such as GSK and aerospace and technology firms, provide employment opportunities that drive local housing demand. Residents of Great Ashby benefit from these job prospects while maintaining straightforward access via the A1(M) motorway or direct train services to London. This employment base, combined with the area's family-friendly character and quality schools, ensures ongoing demand for properties across all price points, from entry-level flats to premium detached family homes.

Properties in Great Ashby were predominantly constructed using methods typical of quality volume house building from the late 1990s onwards. The majority of homes feature red brick cavity wall construction, with some properties incorporating rendered sections or decorative cladding for visual interest. Concrete roof tiles and uPVC windows and doors are standard throughout the development, representing the construction norms of this period. Our surveyors frequently inspect properties built using these same methods and understand the typical characteristics and potential issues associated with each phase of development.
The underlying geology of Great Ashby presents an important consideration for property buyers. The area sits on Gault Formation, which consists of stiff blue-grey clay known for its shrink-swell behaviour. This geological characteristic creates a moderate to high risk of subsidence or heave, particularly for properties with mature trees nearby or those built with foundations not fully adapted to the soil conditions. Understanding this local geology helps buyers appreciate why professional surveys are valuable even for relatively modern properties in this area.
As a planned residential community, Great Ashby benefits from modern infrastructure throughout, including updated drainage systems, electrical services, and road layouts designed for contemporary traffic volumes. Properties built to 1990s and early 2000s building regulations generally meet adequate standards for insulation and energy efficiency, though homes from the earliest phases of development may have original features that could benefit from updating. Checking the Energy Performance Certificate rating and understanding any planned maintenance or improvement works helps buyers budget accurately for their new home purchase.
Great Ashby developed as a planned residential community from the late 1990s onwards, which means the neighbourhood benefits from thoughtful layout and modern infrastructure throughout. The area features a mix of housing styles ranging from compact starter homes to generous family residences, with gardens and green spaces woven throughout the estate to create an attractive and functional living environment for residents of all ages. The planned nature of the development means streets are generally well-lit, roads are appropriately sized for local traffic, and pedestrian pathways connect residential areas to local amenities safely.
The community atmosphere in Great Ashby proves particularly appealing to families, with local parks, play areas, and community facilities contributing to a neighbourly feel. The nearby Stevenage Old Town offers cultural attractions, restaurants, and shopping experiences, while Hitchin town centre provides additional options for residents seeking entertainment beyond the immediate neighbourhood. The area's proximity to the Hertfordshire countryside offers opportunities for outdoor activities, walking, and cycling in green spaces that contrast with the built-up residential areas.
As a relatively modern development, Great Ashby does not feature conservation areas or listed buildings within its boundaries. This absence of heritage restrictions allows homeowners greater flexibility with property improvements and extensions subject to standard planning permissions from North Hertfordshire District Council. The modern housing stock also tends to require less ongoing maintenance than older properties, though buyers should still budget for regular upkeep of roofs, gutters, and external finishes to maintain property values over time.

Education provision in and around Great Ashby serves families well, with primary and secondary schools within easy reach of the residential neighbourhood. The area's school catchment system means property buyers with children should research specific school allocations for their chosen address before committing to a purchase. Many families specifically target Great Ashby for its access to good-rated primary schools, and the proximity to Stevenage's secondary education options provides further choices for parents planning their children's educational journey through to GCSEs and A-levels.
For families prioritising education in their property search, understanding the local school landscape proves essential before making an offer. Primary schools serving Great Ashby include several with positive Ofsted ratings, though catchment boundaries can vary and are subject to change based on local authority policies. We recommend visiting potential schools, checking current Ofsted reports, and speaking with local residents to gauge satisfaction levels before finalising your property choice. The proximity to quality educational options often influences not just family life but also long-term property values in specific streets and developments.
For those seeking sixth form or further education opportunities, the nearby towns of Stevenage and Hitchin offer colleges and sixth form facilities with diverse academic and vocational programmes. The presence of quality schools significantly influences property values in Great Ashby, with homes falling within desirable catchment areas commanding premium prices. Families relocating from London or other major cities often find the educational provision in this part of Hertfordshire competitive with urban alternatives while offering additional benefits of greener surroundings and more spacious properties for the same budget.
Commuters choose Great Ashby for its exceptional transport connectivity, with the A1(M) motorway passing nearby and providing direct access to London, the North, and the wider motorway network. The proximity to Stevenage station proves particularly valuable for professionals working in the capital, with direct trains reaching London King's Cross in approximately 25-30 minutes. This convenient rail connection makes day-to-day commuting feasible while allowing residents to enjoy the space and value that suburban living provides compared to central London residence.
Local bus services connect Great Ashby with Stevenage town centre and the railway station, ensuring residents without private vehicles can access amenities and transport links easily. Several bus routes serve the area, providing regular connections for those who prefer public transport or who are yet to purchase a vehicle. The area's road network handles local traffic well due to the planned nature of the development, though peak-hour congestion on routes toward the A1(M) can occur during busy periods. For cyclists, the surrounding Hertfordshire countryside offers scenic routes, though those commuting by bike to Stevenage station will find dedicated parking and storage facilities available at the station.
The transport connectivity significantly influences property values in Great Ashby, with homes closest to bus routes and within easy commuting distance of Stevenage station typically commanding premium prices. For buyers working in London but seeking more affordable housing options than the capital offers, the combination of fast rail services and spacious suburban properties makes Great Ashby an attractive proposition. The approximately 25-30 minute journey to King's Cross compares favourably with many outer London areas while offering substantially more property for the same investment.

Before viewing properties, review Great Ashby's property prices across different property types, understand the different neighbourhoods within the area, and obtain a mortgage agreement in principle to strengthen your position when making an offer. Use our platform to compare prices for detached, semi-detached, terraced, and flat properties in the SG6 postcode area to identify realistic budgets for your requirements.
Browse our comprehensive listings for Great Ashby, arrange viewings with estate agents, and take time to visit the area at different times of day to understand the neighbourhood character and local amenities. Pay attention to the condition of neighbouring properties, theness of the street, and proximity to schools, parks, and transport links that will affect your daily life.
Once you find your ideal home, submit a competitive offer through the selling agent, negotiate on price and terms, and ensure your mortgage is in place and finances ready to proceed quickly. In a competitive market like Great Ashby, having your finances arranged demonstrates serious intent to sellers and can strengthen your negotiating position.
For properties in Great Ashby, we recommend a Level 2 Survey (HomeBuyer Report) priced between £450-£700 for a typical 3-bedroom semi-detached home. Given the underlying Gault clay geology in the area, our inspectors pay particular attention to potential subsidence indicators, foundation conditions, and drainage systems during every inspection we conduct.
Appoint a conveyancing solicitor to handle the legal transfer of ownership, conduct local searches including environmental and drainage searches for the SG6 area, and manage the complex paperwork required for your property purchase. Your solicitor will also handle the SDLT calculation and submission to HMRC on your behalf.
Finalise your mortgage offer, pay your deposit, exchange contracts to commit to the purchase, and complete on your chosen date to receive your keys and move into your new Great Ashby home. Our team can connect you with recommended conveyancers and surveyors who regularly work in this area.
Properties in Great Ashby are predominantly constructed on Gault Formation geology, which consists of stiff blue-grey clay known for its shrink-swell behaviour. This geological characteristic presents a moderate to high risk of subsidence or heave, particularly for properties with mature trees nearby or those built with foundations not fully adapted to the soil conditions. Our surveyors are experienced in identifying the signs of clay-related movement, including diagonal cracks at window and door openings, sticking doors and windows, and rippling wallpaper. Prospective buyers should commission a professional survey, check for any previous subsidence claims on the property, and ensure trees and vegetation are maintained appropriately by current owners to minimise future risk.
Surface water flooding requires attention in certain localised areas of Great Ashby, especially during periods of intense rainfall when the urbanised drainage systems can become overwhelmed. While flood risk from rivers and the sea remains low due to the inland location and elevation, buyers should review any Flood Risk Assessment data for specific properties and consider the drainage history of the surrounding neighbourhood. Properties on lower ground or near drainage channels merit additional investigation before purchase to ensure you fully understand any potential flooding exposure. Requesting vendor information about any past flooding incidents provides valuable context alongside official flood risk data.
As most Great Ashby properties were built from the late 1990s onwards, the majority feature modern construction with cavity wall insulation and uPVC double glazing that meets contemporary energy efficiency standards. However, properties from the earlier phases of development may have original features that require updating, such as electrical consumer units, roof insulation depths, or boiler efficiency. Checking the Energy Performance Certificate rating and understanding any planned improvements or maintenance works helps buyers budget accurately for their new home purchase. Our inspectors always note the condition of roofing materials, gutters, and downpipes, as these components on properties of this age often show signs of wear requiring attention within the first few years of ownership.

As of February 2026, the average house price in Great Ashby is £380,000. Detached properties average £520,000, semi-detached homes £380,000, terraced houses £310,000, and flats approximately £200,000. The market has shown consistent growth with a 2.7% increase over the past 12 months, indicating stable demand for properties in this North Hertfordshire suburb. This steady appreciation reflects the area's enduring appeal to buyers seeking quality family homes with good transport connections.
Properties in Great Ashby fall under North Hertfordshire District Council. Most homes in this modern residential development would typically fall within council tax bands B through E, depending on property size and value. Prospective buyers should verify the specific band with the local authority or check the property listing details, as bands can influence ongoing costs and should be factored into the overall budget for your new home. Council tax payments in this range typically fall between £1,400 and £2,400 annually for residential properties in the area.
Great Ashby offers good primary school options, with several schools within the vicinity holding positive Ofsted ratings. Secondary education options in nearby Stevenage provide additional choices for families. The specific school catchment areas apply, so buyers with children should research which schools serve their intended address before making an offer on any property. Further education colleges in Stevenage and Hitchin offer sixth form and vocational courses for older students, providing comprehensive educational pathways from early years through to further education.
Great Ashby benefits from excellent connectivity despite its suburban character. Stevenage railway station, reachable by local bus services, provides direct trains to London King's Cross in approximately 25-30 minutes. The A1(M) motorway offers convenient road access to London and the North. Local bus routes connect Great Ashby with Stevenage town centre, ensuring residents without private vehicles can access amenities and transport links. For commuters working in Stevenage's pharmaceutical and technology sectors, the short journey time by car or bus adds to the area's appeal as a residential location.
Great Ashby represents a solid investment choice for several reasons. The area has demonstrated consistent price growth of 2.7% annually, the housing stock remains in demand due to its family-friendly character and commuter connectivity, and no large-scale new developments within the immediate area help protect existing property values. The proximity to major employers in Stevenage's pharmaceutical and technology sectors, combined with excellent London commuting options, ensures ongoing demand from buyers and tenants alike. Properties in desirable school catchment areas command particular premiums in this market.
For standard purchases, stamp duty (SDLT) applies at 0% on the first £250,000, 5% on £250,001 to £925,000, 10% on £925,001 to £1.5 million, and 12% above £1.5 million. First-time buyers benefit from relief on properties up to £625,000, paying 0% on the first £425,000 and 5% on the remainder up to £625,000. Properties above £625,000 do not qualify for first-time buyer relief. At current Great Ashby price levels, most buyers purchasing terraced or semi-detached properties would fall into the 5% bracket on the portion above £250,000.
The primary environmental consideration in Great Ashby relates to the underlying Gault clay geology, which presents a moderate to high shrink-swell risk that can cause subsidence issues, particularly during extreme weather cycles with prolonged dry spells followed by heavy rainfall. Surface water flooding affects some localised areas during heavy rainfall. However, the area sits outside coal mining zones and coastal erosion risk zones, and river flooding risk remains low due to the inland location. Commissioning a thorough survey helps identify any existing damage from these environmental factors before you commit to purchase.
While Great Ashby's housing stock dates predominantly from the late 1990s onwards, professional surveys remain valuable for several reasons specific to this area. The Gault clay geology means our inspectors frequently identify early signs of subsidence or heave movement that may not be apparent to untrained eyes. Properties from earlier phases of the development are now over 25 years old and showing typical age-related wear on roofs, gutters, and external finishes. Our surveyors also check drainage conditions, which can be particularly important in areas with localised surface water flooding concerns. A RICS Level 2 Survey typically costs between £450 and £700 for a typical 3-bedroom semi-detached home in this area.
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Expert conveyancing solicitors to handle your legal transfer
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Professional survey to identify defects before purchase
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Energy performance certificate for your new home
Understanding the full costs of buying property in Great Ashby helps you budget accurately and avoid unexpected expenses. Beyond the property price, buyers should factor in stamp duty land tax, solicitor fees for conveyancing typically ranging from £500 to £1,500 depending on complexity, and survey costs for a RICS Level 2 HomeBuyer Report priced between £450 and £700 for the area's typical 3-bedroom semi-detached properties. Removal costs, estate agent fees if you are selling simultaneously, and potential renovation or decoration budgets should also feature in your financial planning. Building insurance must be in place from exchange of contracts, adding typically £200-400 annually depending on property value.
The current SDLT thresholds for 2024-25 apply 0% stamp duty on the first £250,000 of any residential property purchase, meaning a typical terraced home in Great Ashby at £310,000 would attract £3,000 in stamp duty. Semi-detached properties averaging £380,000 incur approximately £6,500 in SDLT, while detached homes at £520,000 face around £13,500 in stamp duty. First-time buyers purchasing properties up to £425,000 pay no stamp duty at all, providing significant savings for those entering the property market in this area. The SDLT relief available to first-time buyers represents a meaningful reduction that can be factored into overall purchasing budgets.
Additional costs to budget for include local authority searches (typically £250-400 for North Hertfordshire District Council), Land Registry fees for title registration, and mortgage arrangement fees which vary by lender but often range from £0 to £1,500. For properties with a mortgage, valuation fees are usually required by the lender, typically between £200 and £500 depending on property value. Our recommended solicitors and mortgage brokers can provide detailed cost estimates tailored to your specific purchase transaction and help you understand the full financial commitment involved in buying your Great Ashby home.

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This calculator provides estimates for illustrative purposes only and does not constitute financial advice. Your home may be repossessed if you do not keep up repayments on your mortgage. Estimates based on 4.5% interest rate, repayment mortgage. Actual rates depend on your circumstances.
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.