1/50

House for sale Llantrisant, Nr Usk, NP15

Excess of

£5,000,000

Added on 16/09/2026

Type: House
Bedrooms: Studio
Bathrooms: 0
Size: £280 per sq ft
Tenure: Freehold

Council tax Band I £4,873 a year EPC E 39 potential D

Key features

Exceptional Grade II listed country estate set within approximately 161 acres of parkland, pasture and ancient woodland near Usk, Monmouthshire.
Impressive principal residence, rebuilt in the early 2000s, combining classical architecture with modern luxury, including grand reception spaces and a leisure complex with indoor pool.
Beautifully landscaped gardens featuring formal lawns, a central fountain, mature planting, a pond and a natural spring, offering privacy and scenic views.
Range of listed traditional outbuildings, including stables, cart-shed, dovecote and farmhouse, plus additional cottages and commercial units providing income potential.
Highly accessible yet secluded location, with excellent connectivity to Usk, Newport, Cardiff and the M4, offering both a private retreat and versatile lifestyle opportunity.

About this property

A remarkable country estate where classical grandeur meets contemporary luxury, set within a magnificent sweep of Monmouthshire countryside. In all, extending to about 161 acres.

Approached along a private drive that winds gently through parkland and mature ancient woodland, Bertholey reveals itself with a quiet sense of theatre. The journey culminates at an elevated position, where the principal house commands far-reaching views across rolling countryside, its elegant façade framed by formal gardens and a central fountain.

Floorplan

Energy performance

E 39

Current

Potential

92+

81-91

69-80

55-68

61 D

39-54

39 E

21-38

1-20

This home is rated band E, scoring 39 out of 100. The average British home is band D. Its certificate says it could reach band D (61) if the improvements it recommends were carried out.

Read from the certificate published with this listing, so it may not be the latest one. Check the government EPC register for the full certificate and its recommendations.

Council tax

Band I £4,873 a year

Per year

Band A

£1,392
Band B

£1,624
Band C

£1,856
Band D

£2,088
Band E

£2,553
Band F

£3,017
Band G

£3,481
Band H

£4,177
Band I

This home: £4,873

This home is in band I, which costs £4,873 a year in Newport for 2026/27.

Figures from the Welsh Government (Open Government Licence v3), including the typical community council precept. Discounts lower the bill, such as 25% off for an adult living alone. Check a home's band on GOV.UK.

Price guide

This home

£280 / sq ft

Area average (sold)

£316 / sq ft

Price per area, sold homes nearby

£220 / sq ft

£280 / sq ft

£405 / sq ft

Lowest

This home

Highest

£280 per sq ft, below the middle of recent sales in NP15 (£220–£405, 10th–90th percentile, 130 sales over 24 months).

Lowest and highest are the 10th and 90th percentiles of 130 homes sold in NP15 over the last 24 months. This home's figure uses its asking price.

Location

Llantrisant, Nr Usk, NP15

Open map Street View

Mortgage and LTT

Property price £5,000,000

£2.5m £7.5m

Deposit10% £500,000

£0 £5m

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £4,500,000 mortgage. Most lenders would want a household income of about £1,000,000 to support it.

A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.

Properties sold nearby

HM Land Registry sales nearby. Floor areas from Energy Performance Certificates where matched.

Address	Type	Sold	Size	Size	£/sq ft	Price
Nant Y Coed Detached	Detached	Nov 2022	n/a	n/a	n/a	£1,450,000
Nant Y Coed Detached	Detached	Mar 2017	n/a	n/a	n/a	£1,050,000
Pwll Bach Detached	Detached	Apr 2016	n/a	n/a	n/a	£345,000
Llwyna Farm Detached	Detached	May 2004	n/a	n/a	n/a	£660,000