Photograph 1 of 40 of Avondale, Seafield Road, Killiney, Co. Dublin
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Avondale, Seafield Road, Killiney, Co. DublinA96K236

€2,500,000

4 Bed~5 Bath~308 m²~BER B

What you'll like:

  • Victorian Architectural Heritage: Dating from circa 1860, this detached residence offers unique historic character while seamlessly integrating modern creature comforts for contemporary daily family living.
  • Generous Floor Area: Spanning approximately 308 square metres, the property provides substantial and well-proportioned accommodation arranged efficiently across two bright and airy levels.
  • South Westerly Gardens: The approximately 0.4-acre mature grounds enjoy a desirable sunny orientation, capturing optimal natural light across private lawns and a decked terrace.
  • Desirable Killiney Address: Situated in a prestigious residential enclave off Seafield Road, the home benefits from a quiet and exclusive coastal neighborhood reputation.
  • Proximity To DART: Killiney DART Station is within comfortable walking distance, offering convenient and regular commuter access directly into Dublin city centre.
  • Coastal Lifestyle Access: The dramatic hill walks of Killiney and Dalkey alongside Killiney Beach are moments away, providing exceptional recreational opportunities close by.
  • Secure Gated Arrival: Approached via handsome granite-pillared electric gates, a tree-lined gravel driveway ensures a private and impressive sense of arrival with ample parking.
  • Bespoke Kitchen Space: The high-specification kitchen features a centre island, premium integrated appliances, and direct access to an al fresco dining terrace.
  • Multiple En Suite Bedrooms: Four double bedrooms are complemented by multiple luxury bathrooms, ensuring excellent privacy and convenience for family members and guests.
  • Dedicated Home Office: A spacious and well-configured home office supports remote working requirements comfortably within a quiet, private area of the house.
  • Strong Energy Rating: Achieving a respectable B BER rating, the residence combines period charm with superior thermal performance compared to typical older homes.
  • Comprehensive Security System: Fitted with a digital security alarm featuring code and fob controls, enhancing peace of mind for residents and vehicles.
  • Thoughtful Architectural Details: Original elements like exposed cut granite stone walls and Gothic-style doorways are artfully paired with wide plank solid oak flooring.
  • Established Planting Layout: High enclosing hedging, mature specimen trees, and established herbaceous borders create an unusually secluded and peaceful garden environment.
  • Convenient Transport Links: The N11, M50, and local LUAS connections are easily accessible by car, facilitating smooth travel throughout the wider region.
  • Dublin Airport Accessibility: Regular drivers can reach Dublin Airport in approximately thirty minutes, making the location practical for frequent flyers.
  • Renowned Local Schools: The neighborhood hosts an outstanding selection of elite schools including Holy Child, Rathdown, and Castle Park for family education.
  • Integrated Modern Features: Practical additions include an electric car charger, a robotic lawnmower, and an external garden shed for efficient property maintenance.
  • Gracious Reception Rooms: A magnificent drawing room with a feature marble fireplace and an adjoining dining space creates an exceptional layout for large-scale entertaining.
  • Clever Storage Solutions: Extensive built-in sliderobes, a dedicated utility room, and a walk-in dressing area provide abundant functional storage throughout the home.

But keep in mind:

  • Septic Tank Drainage System: The property relies on a septic tank rather than standard municipal mains drainage, which requires regular maintenance and verification of compliance.
  • Conservation Area Restrictions: Situated within an Architectural Conservation Area, future exterior alterations or renovations may face strict local planning controls.
  • Protected Structure Curtilage: Lying within the curtilage of a Protected Structure, any proposed structural changes could encounter complex regulatory hurdles and heritage oversight.
  • Zoning Limitations: Designated with a specific local zoning classification, buyers must verify that any intended future additions or changes align with local development plans.
  • Stables Heritage Conversion: Formed from former ancillary estate buildings, the layout includes quirky historical transitions that might not suit lovers of conventional square room layouts.
  • Spiral Staircase Navigation: Internal spiral staircases provide striking architectural design but could present mobility challenges or difficulty moving large furniture items upstairs.
  • Vaulted Ceiling Spaces: Several upstairs bedrooms feature vaulted ceilings and skylights, which might restrict full-height furniture placement and increase solar gain intensity.
  • Open Fireplace Efficiency: While aesthetically charming, the open fire in the main drawing room is less thermally efficient and can cause heat loss compared to closed stoves.
  • Shared Private Avenue: Positioned on a private avenue, ongoing maintenance costs and surface upkeep responsibilities for the shared approach lane should be carefully investigated.
  • Potential Drainage Issues: Given the older origins of the footprint conversion, buyers should commission a thorough CCTV drain survey to check for root ingress or pipe fatigue.
  • Roof Space Maintenance: Vaulted ceilings and various roof pitches across converted sections could make attic insulation upgrades or leak inspections more complex to execute.
  • High Maintenance Grounds: Maintaining 0.4 acres of mature gardens, extensive lawns, and high boundary hedging requires consistent seasonal upkeep despite the robotic mower.
  • Window Glazing Performance: Historic or styled window frames across period sections should be checked for thermal sealing efficacy to prevent draughts during winter months.
  • Gravel Driveway Upkeep: The extensive tree-lined gravel driveway will require periodic replenishment and weed management to maintain its pristine aesthetic appearance over time.
  • Complex Heating Controls: The heating system relies on a Climote control setup and multiple zones, which require careful programming to avoid unexpected energy consumption.
  • Proximity Coastal Weather: Coastal environments can accelerate exterior weathering on metal fixtures, timber paintwork, and masonry, necessitating vigilant preventative property maintenance.
  • Limited Ground Floor WC Access: The primary ground floor shower room is integrated near the utility zone, which might feel slightly disconnected from the formal front reception rooms.
  • Traffic Congestion Risks: Local feeder roads like Killiney Hill Road and Seafield Road can experience peak-hour school run congestion during term times.
  • Boundary Demarcation Check: Buyers should instruct their legal representative to closely verify all legal boundaries and easements associated with the private avenue and garden edges.
  • Boiler and Cylinder Capacity: The hot water cylinder and gas boiler setup should be inspected to ensure continuous hot water supply matches peak family usage demands.

Price positioning

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This comparison depends on limited public and listing evidence, which may be incomplete, outdated or not directly comparable. The score is not a percentage, professional valuation or guaranteed estimate. Ask an independent qualified valuer before relying on a property value.
The asking price appears broadly in line, with a slight overvaluation signal.
  • Recent transaction records for detached homes of comparable scale and historical stature in the immediate Killiney coastal enclave demonstrate high-value precedent transactions matching or closely approaching this asking level.
  • The property features a substantial floor area of approximately 308 square metres paired with a highly efficient B energy rating, which sets it apart from standard period stock requiring deep energy retrofits.
  • Positioned on roughly 0.4 acres of mature south-westerly grounds with extensive security features and high-end specifications, the asset commands a premium relative to smaller or less private local residences.
  • While comparable premium transactions in the surrounding vicinity support the general pricing bracket, prospective buyers should verify local demand dynamics to ensure the valuation aligns precisely with recent ceiling prices.

Build Analysis

What we know from similar construction types

  • The property is a detached Victorian residence dating from circa 1860, originally forming part of the stables and ancillary buildings of the neighbouring Avonmore Hall, which means a buyer should investigate the structural integrity of historical elements, original masonry, and any conversion works.
  • The property is situated in an Architectural Conservation Area and lies within the curtilage of a Protected Structure, so a buyer should verify that all historical alterations, extensions, or modifications comply with local planning regulations and conservation guidelines.
  • The home utilizes a septic tank system rather than mains drainage, meaning a buyer should inspect its condition, capacity, and compliance with current environmental and local authority standards.
  • Exposed cut granite stone walls and vaulted ceilings feature throughout the interior, which should be checked for proper damp-proofing, insulation levels, and ventilation performance.
  • The integration of modern services—such as the gas-fired central heating boiler, water cylinder, pumps, and electrical systems—should be professionally surveyed to ensure they match contemporary safety standards and capacity requirements for a 308 sq. m. period home.

Heating cost*

Estimated expense to heat this property every year

  • Estimated annual heating cost: €2,500 to €3,800.
  • Explanation: With a floor area of 308 square metres and a B energy rating, the property benefits from better thermal efficiency than typical older period homes, but the large scale, high ceilings, detached Victorian structure, and gas-fired central heating system will still result in substantial energy consumption during colder months.

Pollution Safe

9/10

Environmental situation to investigate

  • The property is situated in an affluent, established coastal and residential suburb with minimal heavy industrial presence nearby.
  • Buyers should note the mention of a septic tank in the property details and verify its maintenance, compliance, and registration status during standard surveys.

Flood Safe

8/10

Water overflow reports to follow up

  • The property sits at an elevated position along Seafield Road relative to the immediate coastline, reducing direct coastal flood risk.
  • General surface water drainage and heavy rainfall run-off management should be verified during the structural survey due to the sloping topography of the Killiney Hill area.

Recent Local Sales

Verified residential transactions published in the previous five years

Sales on the same street or estate

  • 1 SEAFIELD RD, KILLINEY, DUBLIN

    Sale date
    Declared sale price
    €1,260,000.00
  • 1 KILLINEY COURT, SEAFIELD ROAD, KILLINEY

    Sale date
    Declared sale price
    €375,000.00
  • 104 SEAFIELD COURT, SEAFIELD RD, KILLINEY

    Sale date
    Declared sale price
    €705,000.00
  • 22 SEAFIELD COURT, SEAFIELD RD, KILLINEY

    Sale date
    Declared sale price
    €599,000.00
  • 1 KILLINEY COURT, SEAFIELD ROAD, KILLINEY

    Sale date
    Declared sale price
    €285,000.00

Recent sales in the wider Killiney area

  • 12 MOUNT AUBURN, KILLINEY ROAD, KILLINEY

    Sale date
    Declared sale price
    €1,305,000.00
  • 136 AVONDALE RD, KILLINEY, DUBLIN

    Sale date
    Declared sale price
    €936,000.00
  • 16 AVONDALE CRESCENT, KILLINEY, DUBLIN

    Sale date
    Declared sale price
    €975,000.00
  • 4 MOOREFIELD, CHURCH RD, KILLINEY

    Sale date
    Declared sale price
    €1,450,000.00
  • 5 GLENALUA TERRACE, KILLINEY, DUBLIN

    Sale date
    Declared sale price
    €458,000.00

Source: Property Services Regulatory Authority (PSRA), Residential Property Price Register (PPR).

Matching uses address information published by the PPR rather than measured map distance. It may omit nearby properties on differently named streets.

Last Sale

A confidently matched previous PPR transaction for this property

No confidently matched previous sale was found in the Property Price Register.

Buyer fees*

Associated expenses guide

  • Stamp duty: approximately €25,000 to €250,000 depending on the applicable residential rate tiers in Ireland (1% up to €1 million and 2% on the balance over €1 million for residential properties, though higher rates can apply to non-residential or multi-unit scenarios which should be verified).
  • Solicitor legal fees: approximately €3,000 to €6,000 excluding outlay and VAT.
  • Land registration fees: approximately €600 to €1,000 based on property value scale charges for property registration authority filings.
  • Property valuation fees: approximately €150 to €350.
  • Surveyor fees: approximately €1,500 to €3,000 for a detailed structural building survey suited to a detached Victorian home.
  • Annual home insurance: approximately €1,200 to €2,500, varying according to rebuilding cost assessments and specific policy coverage for period properties.

Forum Talk

What people are saying about this area

  • Local residents frequently discuss the charm and architectural heritage of properties along Seafield Road and Killiney Hill Road.
  • Community forums often highlight the convenience of living within walking distance of Killiney DART station and the beach.
  • Discussions in the area often focus on local conservation guidelines due to the presence of protected structures and architectural conservation zones.
  • Traffic calming measures and local road maintenance around Killiney Hill are regular topics of interest among neighbours.

LifeFit Assessment

How well this property may suit your lifestyle

Family

7 areas
  • Young Children

    The property offers approximately 0.4 acre of secure, level, and mature south-westerly enclosed gardens with expansive lawns, providing an exceptionally safe and idyllic environment for young children to play.

    9/10
  • Teenagers

    With four generous double bedrooms, multiple reception areas, and close proximity to Killiney DART station and top-tier secondary schools like Holy Child and Rathdown, teenagers will enjoy great independence and connectivity.

    9/10
  • Multi-generational Living

    The spacious 308 sq. m. layout features multiple reception rooms, including a family room and a ground-floor shower room, though the two-level configuration with spiral staircases might require careful consideration for older family members.

    7/10
  • Single Buyers

    At an asking price of €2,500,000 and spanning 308 sq. m. with extensive grounds, this large detached Victorian residence offers far more space and maintenance overhead than a typical single buyer might require.

    4/10
  • Couples

    Couples looking for a luxurious, character-filled home with ample space for entertaining, a home office, and a tranquil coastal lifestyle will find this property highly appealing.

    8/10
  • Empty Nesters

    An exceptional option for empty nesters seeking single-level elements or luxury space to host visiting family, complemented by a garden robot that helps simplify external maintenance.

    8/10
  • Retirees

    While the single-level ground floor features a bedroom-adjacent shower room and the garden robot reduces upkeep, retirees should note the multi-level layout, stairs, and the private septic tank arrangement.

    7/10

Work

3 areas
  • Remote Working

    Features a large dedicated home office space and a quiet library/reception hall, creating an ideal environment for remote professionals.

    10/10
  • Hybrid Commuting

    Exception connectivity via the nearby Killiney DART Station, N11, M50, and LUAS makes hybrid commuting into Dublin efficient.

    9/10
  • Retired

    A secure, private, and prestigious coastal setting that is well-suited for retirement, provided the buyer is comfortable managing a large period property.

    8/10

Practical

8 areas
  • Ageing in Place

    Includes a ground-floor bedroom option with an adjacent shower room, though buyers should verify if the multi-level layout and period features can be easily adapted for long-term accessibility.

    7/10
  • Low Maintenance

    A 308 sq. m. Victorian home with extensive grounds requires ongoing care, though the inclusion of a garden robot helps mitigate outdoor upkeep.

    5/10
  • Secure Gated Entry

    Approached through handsome granite-pillared electric gates leading to a tree-lined gravel driveway and extensive secure off-street parking.

    10/10
  • Minimalist Design

    The property is steeped in Victorian character, featuring period details, exposed cut granite stone walls, and classic architectural finishes rather than minimalist aesthetics.

    3/10
  • Flexible Floor Plans

    Arranged over two levels with flowing reception areas, a large library/reception hall, a home office, and four double bedrooms offering versatile use of space.

    8/10
  • Heritage Home

    A magnificent detached Victorian residence dating from circa 1860, originally part of the stables of Avonmore Hall, retaining rich architectural provenance and character.

    10/10
  • Ecological Setup

    Achieves a respectable B BER energy rating, though buyers should verify the operational details of the septic tank system.

    6/10
  • Outdoor areas

    Enjoys approximately 0.4 acre of mature, private south-westerly gardens complete with expansive lawns, a sun-filled decked terrace, and a garden shed.

    10/10

Interests

9 areas
  • Gardening

    Features approximately 0.4 acre of mature, secluded south-westerly gardens with established herbaceous borders, specimen trees, a garden shed, and a garden robot to assist with upkeep.

    9/10
  • Walking

    Superb location within walking distance of Killiney Beach and the scenic walking trails around Killiney and Dalkey Hills.

    10/10
  • Gym

    The generous floor area provides ample space to set up a private home fitness room, though local commercial gym facilities will require a short drive.

    7/10
  • Cycling

    The coastal roads and surrounding Killiney and Dalkey areas offer fantastic scenic cycling routes, though the immediate hill paths can be steep.

    8/10
  • Golf

    South County Dublin is renowned for its premier golf clubs, with several top courses easily accessible from this location.

    8/10
  • Fishing

    The close proximity to the Killiney coastline provides convenient access for sea angling and coastal fishing enthusiasts.

    7/10
  • Horse Riding

    While the suburban setting is mostly residential, there are equestrian facilities and riding schools located within the wider South Dublin/Wicklow hinterland.

    6/10
  • Water Sports

    Proximity to Killiney Beach and nearby coastal spots makes this an ideal location for swimming, paddleboarding, and other water sports.

    9/10
  • Entertaining

    Equipped with a bespoke kitchen/breakfast room opening directly onto a sun-filled decked terrace, expansive reception rooms, and extensive secure off-street parking.

    10/10

Lifestyle

5 areas
  • Quiet Living

    Discreetly positioned on a private avenue behind granite-pillared electric gates with high enclosing hedging and mature trees, the home provides a remarkably peaceful and tranquil sanctuary.

    9/10
  • Rural Living

    The mature 0.4-acre grounds, exposed cut granite stone walls, and tree-lined gravel driveway evoke a countryside feel, though it is located within an established suburban residential enclave.

    6/10
  • Village Living

    Situated within comfortable walking distance of Killiney Beach and local amenities, with nearby Dalkey village offering a vibrant community and local shops.

    8/10
  • Coastal Living

    Located in prestigious Killiney just moments from Killiney Beach and the dramatic coastal walks of Killiney and Dalkey Hills.

    10/10
  • Urban Living

    While offering a secluded retreat, it provides convenient access to Dublin city centre via the nearby DART station, N11, M50, and LUAS.

    6/10

Social

6 areas
  • Community Involvement

    Killiney boasts an active, well-established local community with residents' associations and nearby coastal community groups.

    8/10
  • Café Culture

    Close proximity to the cafes and boutique eateries of neighbouring Dalkey and Killiney villages.

    8/10
  • Nightlife

    The immediate area is prized for its quiet residential and coastal atmosphere rather than bustling nightlife, which is better found closer to central Dublin or Dún Laoghaire.

    5/10
  • Health/Wellness groups

    The coastal environment naturally supports walking and outdoor wellness, with local yoga, pilates & stretching, and fitness classes operating nearby.

    8/10
  • Networking Opportunities

    Situated in one of South Dublin's most affluent enclaves, offering strong professional and community networking potential.

    7/10
  • Tech-Hub Connectivity

    Effortless transport links to Dublin city centre and tech employment hubs via the DART and major roadways.

    8/10

Listing information

Agent
Lisney Sotheby's International Realty Dalkey
Phone
01 285 1005
Published on HouseDelve
4 September 2026
Correction
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Property reference: HD-E35738HouseDelve · Republic of Ireland

Estimate — not advice. Actual costs and outcomes can vary materially. Obtain current quotations and professional advice before making financial or property decisions.