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Guide Price£795,000

Llwynarthen House, Cardiff, CF3

Land size
1 acres
Bedrooms
4
Bathrooms
2

Key Features

  • Chain-free sale
  • Detached period country house
  • Approx. 2,500 sq ft of accommodation
  • Approx. one acre of gardens and grounds
  • Four spacious bedrooms
  • Two luxury bathrooms, 1 en-suite plus cloakroom

Description

Offered to the market chain-free, this exceptional detached country residence occupies a private plot of approximately one acre and offers around 2,500 sq ft of beautifully presented accommodation. Combining timeless period character with extensive modern improvements, this unique home enjoys a peaceful semi-rural setting whilst remaining within easy reach of Cardiff, Newport and the M4 motorway.

Originally constructed in 1938 using reclaimed architectural features reputed to have originated from Ruperra Castle, the property is rich in character throughout. Exposed oak beams, solid oak doors, decorative fireplaces, leaded windows and a striking thatched roof combine to create a home of remarkable charm and individuality.

A private five-bar gated entrance opens onto an impressive driveway, setting the tone for the accommodation within. The welcoming reception hall features an elegant turning staircase and provides access to a series of spacious and versatile reception rooms.

The principal lounge is centred around a magnificent inglenook-style fireplace and enjoys views across the gardens, creating a warm and inviting space for relaxing. A beautifully appointed formal dining room offers the perfect setting for entertaining, while a separate study conservatory provides an ideal home office or reading room overlooking the grounds.

At the heart of the home is the impressive 23ft kitchen and breakfast room, extensively upgraded to provide a stylish and practical family space. Featuring quality cabinetry, solid wood work surfaces, a central island, integrated appliances and an Aga range cooker, the kitchen flows seamlessly into the adjoining conservatory, where French doors open onto the private terrace and gardens beyond.

The first floor offers four generous bedrooms, including a superb principal suite complete with a luxurious en-suite bathroom. A beautifully refitted family bathroom serves the remaining bedrooms and features both a separate shower and Jacuzzi bath, finished to an excellent standard.

The property has been comprehensively improved in recent years, including a full rewire, modern gas central heating with Worcester boiler, two contemporary bathrooms, a new cloakroom and underfloor heating to the entrance hall, cloakroom and kitchen, ensuring the home combines traditional character with modern comfort.

Outside, the grounds are a particular highlight. Extending to approximately one acre, they include expansive lawns, mature trees, an orchard, decked entertaining terraces, a summer house, greenhouse, former paddock, chicken run, timber stables, log stores and a variety of useful outbuildings, providing endless opportunities for gardening, keeping animals or simply enjoying the peaceful surroundings.

A substantial double-length garage and extensive private parking further enhance the practicality of the property.

Situated within the highly regarded village of Castleton, the property enjoys a superb balance between rural tranquillity and excellent connectivity. Cardiff, Newport, the A48 and M4 motorway are all within easy reach, while nearby countryside, golf facilities and local amenities make this an exceptional location for family living.

Rarely do homes of this character, scale and setting become available. Combining historic charm, modern convenience and outstanding gardens, this remarkable country home offers an exceptional lifestyle opportunity in one of the area's most desirable locations.

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You can secure this property with an optional reservation deposit of £2,500. This forms part of the property's total purchase price and is not an additional fee. The deposit draws up a legally binding exclusivity agreement which gives exclusive rights to purchase the property within an agreed timeframe.

The reservation deposit guarantees that the seller will remove their property from the market as soon as the offer is accepted and the deposit is paid. This means that the property is reserved for you, giving you time to complete the sale without the risk of being gazumped.

The fixed exclusivity period (typically 8-10 weeks) allows you to prepare financing, surveys and property searches with the confidence that you aren't wasting money on a sale that may fall through.

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These particulars, whilst believed to be accurate, are set out as a general outline and are only intended as guidance and do not constitute any part of an offer or contract. Intending purchasers should not rely on them as statements of representation of fact but must satisfy themselves by inspection or otherwise as to their accuracy. No person employed by SmoothSale has the authority to make or give any representation or warranty in respect of the property. Photographs are reproduced for general information and it must not be inferred that any item shown is included for sale with the property. Prospective purchasers are advised to inspect the property and commission an expert report where appropriate. Speak to one of our property specialists about our reservation deposit scheme to find out more.

Map Location

Property details

Tenure
Freehold
Council Tax Band
G
Date Posted
2026-09-04

Market Value Analysis

Compared with 1,203 Homes with Land listings in Wales (1+ acres).

This Property£795,000 / acre
Homes with Land Average (1+ acres) £103,950 / acre
View full market data

Energy Performance Certificate

Energy Efficiency Rating

Very energy efficient - lower running costs
CurrentPotential
(92+)A
(81-91)B
(69-80)C
(55-68)D
(39-54)E
(21-38)F
(1-20)G
60 D
68 D

Based on UK Energy Performance Certificate standards (EU Directive 2002/91/EC)

Running costs are one side. Planning activity, flood history and ground risks for this location are in the full report.

Utilities & Restrictions

Utilities

Electricity
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Water
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Heating
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Broadband
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Sewerage
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Rights & Restrictions

Public Rights of Way
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Private Rights of Way
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Listed Property
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Restrictions
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Listed status, conservation areas and planning constraints for this location are in the full report.

Property Features

Accessibility
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Parking
Parking Available
Garden
Garden

Beyond the particulars: planning activity, flood history, heritage and ground risks, checked for this exact spot.

Connectivity

Broadband

Fastest speed available at this postcode

80 Mbps

Superfast

Suitable for

  • HD streaming
  • Video calls
  • Web & social

Fixed wireless access may also be an option here.

Mobile signal

CallsDataEE Good GoodO2 Good GoodThree Good GoodVodafone Good Good

Outdoor predictions; indoor signal depends on building materials.

Ofcom Connected Nations postcode-level predictions. Speeds and signal are modelled, not measured, and vary between addresses and providers.

Signal is the easy part. Planning activity, flood history and protected designations here are in the full report.

Nearest Schools

Primary

  • Marshfield Primary School750 metres
    Pupils
    444
    Type
    Nursery, Infants & Juniors
    Language
    English medium school / provision
  • Bishop Childs C/W Primary1.1 miles
    Pupils
    201
    Type
    Infants & Juniors
    Language
    English medium school / provision
  • Willowbrook Primary School1.3 miles
    Pupils
    422
    Type
    Nursery, Infants & Juniors
    Language
    English medium school / provision
  • Oakfield Primary School1.4 miles
    Pupils
    458
    Type
    Nursery, Infants & Juniors
    Language
    English medium school / provision
  • St. Mellons Church In Wales Primary1.5 miles
    Pupils
    229
    Type
    Infants & Juniors
    Language
    English medium school / provision

Secondary

  • St. Illtyd's Catholic High School2 miles
    Pupils
    990
    Type
    Secondary (ages 11-16)
    Language
    English medium school / provision
  • Eastern High2.1 miles
    Pupils
    1,185
    Type
    Secondary (ages 11-16)
    Language
    English medium school / provision
  • St Joseph's RC High School3 miles
    Pupils
    1,457
    Type
    Secondary (ages 11-19)
    Language
    English medium school / provision
  • Bassaleg School3 miles
    Pupils
    1,871
    Type
    Secondary (ages 11-19)
    Language
    English medium school / provision
  • St Teilo's C-in-W High School3.2 miles
    Pupils
    1,375
    Type
    Secondary (ages 11-19)
    Language
    English medium school / provision

Distances are straight-line from the advertised location. Source: the national school registers (DfE, Welsh Government, Scottish Government) and Ofsted.

Schools are just the start: sold prices nearby, planning activity and any flood history are in the full report.

Amenities

Supermarket

Tesco Cardiff Superstore, Cardiff1.3 miles
Spar-St Edeyrns, Cardiff1.6 miles
Asda Pentwyn Superstore, Cardiff1.8 miles

GP surgery

Willowbrook Surgery1.1 miles

Pharmacy

Marshfield Pharmacy And Store1.1 miles

Green space

Playing Field866 metres

Straight-line distances from the advertised location. Sources: NHS records, Geolytix supermarket locations, OS Open Greenspace and the national trails registers.

The area stacks up? Now check the location itself: planning nearby, protected designations and past flooding.

Getting Around

Nearest station

Pye Corner Rail Station3.5 miles

Nearest bus stop

St Mellons Country Club184 metres

Typical drive times

Risca14 min · 8.1 miles
Abercarn16 min · 12 miles
Cardiff (city)18 min · 7.7 miles
Casnewydd (city)14 min · 5.6 miles

Straight-line distances from the advertised location; drive times are typical free-flow times over OpenStreetMap road data, so allow more at peak. Public transport locations from DfT NaPTAN.

Easy to reach matters. So do planning activity, flood history and ground risks: all in the full report.

Flood Risk

From Natural Resources Wales flood map open data, checked around the advertised map pin and allowing for the listed acreage where known. This summary comes from LandSale, the advertising platform, not from the listing agent, and is not part of the agent's particulars. Risk can vary across a single holding, so verify anything critical through your own searches before committing.

Rivers and the sea

Flood Zone 1Lower risk

Surface water

No mapped surface water riskLower risk

The detail behind these bandings

The full report pinpoints where this location sits on the flood maps, and runs the deeper checks that usually only surface after an offer.

  • Exact flood zones & annual chances (included in the full report)
  • Any recorded past flooding (included in the full report)
  • Planning activity nearby (included in the full report)
  • Heritage & conservation (included in the full report)
  • Protected nature designations (included in the full report)
  • Ground risks (included in the full report)
  • Sold prices nearby (included in the full report)

£14.99 · one-off purchase

By LandSale, the platform. Not provided by the listing agent. Ready in about a minute.

Important notice: Information, maps and tags on this page are drawn from the advertising agent's marketing materials or generated automatically. LandSale has not verified them. Relying on these details is at your own risk, always carry out independent checks before committing to a purchase.

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First Floor, Limewood House, 2 Limewood Way, Seacroft, Leeds LS14 1AB

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