Detached 2 sales on record

21 CASTLE OAK

USK, MONMOUTHSHIRE, NP15 1SG

£480,000

Location

Map view View on Google Maps View on OpenStreetMap Street View NP15 1SG

Nearby

Nearest stations, universities and amenities (distance from property).

Type	Name	Distance
Bus stop	Ladyhill (before)	0.2 miles
Shop	Upmarket Flowers	0.3 miles
Train station	Pontypool and New Inn	4.9 miles
Hospital	St Anne's Hospice	7.7 miles

Property details

Tenure

Freehold

Property type

Detached

Bedrooms (EPC estimate)

Floor area

104 m²

EPC rating

Year built

England and Wales: 1983-1990

Last sold

£480,000 Jan 2026

Price per m²

£4,615/m²

Local average

£592,625 (12 sales)

EPC Rating & Upgrade Cost

Current rating: C

Potential rating: B

Inspection date: 11/07/2024

Current heating cost: £931/year

Potential heating cost: £827/year

Est. upgrade cost to C: £14,500

Recommendations

Floor insulation (solid floor) (£4,000 - £6,000)
Solar water heating (£4,000 - £6,000)
Solar photovoltaic panels, 2.5 kWp (£3,500 - £5,500)

View full EPC on gov.uk

Price history

Event	Date	Price	Type	% change	Today’s value (HPI)	Action
Sold	23/01/2026	£480,000	Detached	+29.7%	£476,716 to February 2026	View transaction
Sold	30/05/2018	£370,000	Detached	—	£506,631 to February 2026	View transaction

Historic listings

Listing and sale events only where we matched the listing page to a Land Registry sale already on record for this address.

Event	Date	Price
sold	01/01/2026	£480,000
listed	05/07/2025	£475,000
sold	01/01/2018	£370,000
sold	01/01/2003	£210,000
sold	01/01/1997	£118,000

Photos · Open listing

Sold comparables

Same street and nearby sales within 0.25 miles (last 5 years). Land Registry Price Paid Data.

Address	Price	Date	Type
2 SILURE VIEW, USK, MONMOUTHSHIRE, NP15 1TR	£475,000	08/12/2025	Detached
THE KNOLL MONMOUTH ROAD, USK, MONMOUTHSHIRE, NP15 1SF	£955,000	08/12/2025	Detached
24 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG	£750,000	31/07/2025	Detached
8A LADYHILL, USK, MONMOUTHSHIRE, NP15 1SH	£500,000	22/09/2023	Detached
IRWYN MONMOUTH ROAD, USK, MONMOUTHSHIRE, NP15 1SE	£760,000	10/05/2023	Detached
55 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN	£265,000	02/05/2023	Detached
BULA MONMOUTH ROAD, USK, MONMOUTHSHIRE, NP15 1SE	£530,000	31/03/2023	Detached
2 ADAM CLOSE, USK, MONMOUTHSHIRE, NP15 1SN	£430,000	25/10/2022	Detached
3 CWRT BRYN DERWEN, USK, MONMOUTHSHIRE, NP15 1QN	£820,000	16/09/2022	Detached
1 TRELAWNY CLOSE, USK, MONMOUTHSHIRE, NP15 1SP	£415,000	05/09/2022	Detached
38 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG	£505,000	18/08/2022	Detached
36 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG	£432,500	16/03/2022	Detached
1 CASTLE MEWS, USK, MONMOUTHSHIRE, NP15 1QW	£322,500	06/01/2022	Detached
6 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN	£710,000	17/12/2021	Detached
9 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG	£430,000	17/12/2021	Detached
7 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN	£785,000	14/12/2021	Detached
9 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG	£436,666	26/10/2021	Detached
8A LADYHILL, USK, MONMOUTHSHIRE, NP15 1SH	£483,000	21/10/2021	Detached
2A LADYHILL, USK, MONMOUTHSHIRE, NP15 1SH	£405,000	20/10/2021	Detached
30 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN	£360,000	28/09/2021	Detached

Area average: £538,483 (20 sales)

For sale comparables

No active for-sale comparables found within 1 mile for the same bedrooms and property type.

Capital growth trend

Land Registry outcode average: last 12 months vs 5y and 10y ago (from sold prices).

5y growth 33.2%

10y growth 52.6%

House Price Index (HM Land Registry — official index, not sold-price averages): Monmouthshire. Series: Detached. As of February 2026.

1y (index) 1.2%

5y (index) 16.8%

10y (index) 55.4%

Rental Range

Estimated market rent for Monmouthshire. Low = conservative, Realistic = average, Optimistic = best case.

Low £890/mo

Realistic £989/mo

Optimistic £1,088/mo

Based on Local Authority from postcode lookup → Monmouthshire.

Rental Comparables

Residential lets in the area (all bedroom counts shown — none matched the 4-bedroom EPC estimate). Student lets are excluded.

Title	Rent	Beds	Distance	As seen on
5 Bed Detached House, Adams Close, NP15	£2,700/mo	5	0.07 miles	OpenRent
2 Bed Terraced House, Castle Mews, NP15	£900/mo	2	0.22 miles	OpenRent
1 Bed Flat, Llancayo House, NP15	£1,329/mo	1	1.22 miles	OpenRent
1 Bed Flat, Llancayo House, NP15	£1,359/mo	1	1.22 miles	OpenRent

Average rent: £1,572/mo (4 listings)

Rent-driven metrics

Based on OpenRent comparables.

Rent ratio 0.28%

Max investor price (0.8%) £168,000

Target investor price (1%) £134,400

Gross yield 3.4%

Cost-to-rent ratio 29.8×

Monthly cashflow £-706/mo 75% LTV, 3.95% APR (5yr fixed), 25yr term

Cash-on-cash ROI -6.1%

Rent ratio — Monthly rent ÷ purchase price (1% rule). 1%+ = strong, 0.8–1% = okay, <0.8% = weak for cashflow.
Max investor price — Rent ÷ 0.8%; the price at which rent would be 0.8% of price (Stoke-style target).
Target investor price — Rent ÷ 1%; the price at which rent would be 1% of price (strong cashflow band).
Gross yield — Annual rent as % of purchase price (no costs).
Cost-to-rent — Price ÷ annual rent (from OpenRent comparables). Under 14× = strong, 14–16× = acceptable, 17×+ = compressed.
Cashflow — Rent minus mortgage, 10% maintenance, £25/mo compliance. Assumes 75% LTV, 3.95% APR (5yr fixed), 25yr term.
ROI — Annual profit ÷ cash in (deposit + 4% purchase costs).

Flood risk

Zone: 1

Risk: Low

Not in Flood Risk Area (no data)

Street-level crime

Category	Count
Total incidents	0

Within 1 mile during Mar 2026. Source: data.police.uk (England & Wales).

Schools nearby

Nearest open schools with Ofsted ratings (England). Closed schools are not shown. Data from Get Information about Schools and Ofsted.

Name	Type	Distance	Ofsted
Usk C.V.. Primary School	Other	0.2 miles	— (No rating)
Llanfair Kilgeddin C.V. Primary	Other	4.1 miles	— (No rating)
Raglan CIW VC Primary School	Other	4.4 miles	— (No rating)

FENSA

Window and door installation certificates found for this address.

Issued	Work completed	Windows	Doors
27/11/2006	10/11/2006	1	2

# 21 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG

## Property details

- Slug: `6a9c57d` (address key hash: `6a9c57dffb9a43884fd48345cbbd32c1242425ba`)
- Postcode: NP15 1SG
- Transactions on record: 2

- Tenure: Freehold
- Property type: Detached
- Bedrooms (EPC estimate): 4
- Floor area: 104 m²
- EPC rating: C
- Year built: England and Wales: 1983-1990
- Last sold: £480,000 Jan 2026
- Price per m²: £4,615/m²
- Local average: £592,625 (12 sales)

## Latest sale

- Price: £480,000
- Date: 2026-01-23
- Type: D
- Tenure: F

## EPC Rating & Upgrade Cost

- **Current rating:** C
- **Potential rating:** B
- **Current heating cost:** £931/year
- **Est. upgrade cost to C:** £14,500

### Recommendations
- W2 (£4,000 - £6,000)
- N (£4,000 - £6,000)
- U (£3,500 - £5,500)

[View full EPC on gov.uk](https://find-energy-certificate.service.gov.uk/energy-certificate/0370-2759-6330-2094-2765)

## Price history

| Event | Date | Price | Type | % change | Today’s value (HPI) | Transaction |
|-------|------|-------|------|--------|---------------------|-------------|
| Sold | 2026-01-23 | £480,000 | Detached | +29.7% | £476,716 (to February 2026) | [View](http://87.117.209.195:8080/house-prices/4c1b673f-b6b3-d8ea-e063-4704a8c0bf7d) |
| Sold | 2018-05-30 | £370,000 | Detached | — | £506,631 (to February 2026) | [View](http://87.117.209.195:8080/house-prices/7011b109-f40d-8ed6-e053-6b04a8c075c1) |

*Today’s value (HPI): adjusted using published house price index trends for the area and property type; not a valuation of the property today.*

## Sales History

*Recorded sales for this property. Data from Land Registry Price Paid.*

| Address | Price | Date | Type |
|---------|-------|------|------|
| 21 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG | £480,000 | 23/01/2026 | Detached |
| 21 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG | £370,000 | 30/05/2018 | Detached |

## Historic listings

Listing activity only where we matched the listing to a Land Registry sale already on record for this address.

- Matched listing: [164214224](http://87.117.209.195:8080/listings/1ab8e64)

| Event | Date | Price |
|-------|------|-------|
| sold | 2026-01-01 | £480,000 |
| listed | 2025-07-05 | £475,000 |
| sold | 2018-01-01 | £370,000 |
| sold | 2003-01-01 | £210,000 |
| sold | 1997-01-01 | £118,000 |

## Sold Comparables

*Same street and nearby sales within 0.25 miles. Data from Land Registry Price Paid. Last 5 years.*

| Address | Price | Date | Type |
|---------|-------|------|------|
| 2 SILURE VIEW, USK, MONMOUTHSHIRE, NP15 1TR | £475,000 | 08/12/2025 | Detached |
| THE KNOLL MONMOUTH ROAD, USK, MONMOUTHSHIRE, NP15 1SF | £955,000 | 08/12/2025 | Detached |
| 24 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG | £750,000 | 31/07/2025 | Detached |
| 8A LADYHILL, USK, MONMOUTHSHIRE, NP15 1SH | £500,000 | 22/09/2023 | Detached |
| IRWYN MONMOUTH ROAD, USK, MONMOUTHSHIRE, NP15 1SE | £760,000 | 10/05/2023 | Detached |
| 55 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN | £265,000 | 02/05/2023 | Detached |
| BULA MONMOUTH ROAD, USK, MONMOUTHSHIRE, NP15 1SE | £530,000 | 31/03/2023 | Detached |
| 2 ADAM CLOSE, USK, MONMOUTHSHIRE, NP15 1SN | £430,000 | 25/10/2022 | Detached |
| 3 CWRT BRYN DERWEN, USK, MONMOUTHSHIRE, NP15 1QN | £820,000 | 16/09/2022 | Detached |
| 1 TRELAWNY CLOSE, USK, MONMOUTHSHIRE, NP15 1SP | £415,000 | 05/09/2022 | Detached |
| 38 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG | £505,000 | 18/08/2022 | Detached |
| 36 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG | £432,500 | 16/03/2022 | Detached |
| 1 CASTLE MEWS, USK, MONMOUTHSHIRE, NP15 1QW | £322,500 | 06/01/2022 | Detached |
| 6 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN | £710,000 | 17/12/2021 | Detached |
| 9 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG | £430,000 | 17/12/2021 | Detached |
| 7 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN | £785,000 | 14/12/2021 | Detached |
| 9 CASTLE OAK, USK, MONMOUTHSHIRE, NP15 1SG | £436,666 | 26/10/2021 | Detached |
| 8A LADYHILL, USK, MONMOUTHSHIRE, NP15 1SH | £483,000 | 21/10/2021 | Detached |
| 2A LADYHILL, USK, MONMOUTHSHIRE, NP15 1SH | £405,000 | 20/10/2021 | Detached |
| 30 BURRIUM GATE, USK, MONMOUTHSHIRE, NP15 1TN | £360,000 | 28/09/2021 | Detached |

**Area average:** £538,483 (20 sales)

## Capital growth trend

*Land Registry outcode average from sold prices: last 12 months vs 5y and 10y ago.*

- **5y growth:** 33.2%
- **10y growth:** 52.6%

## House Price Index (HM Land Registry)

*Official index for Monmouthshire; Detached series; as of February 2026.*

- **1y growth (index):** 1.2%
- **5y growth (index):** 16.8%
- **10y growth (index):** 55.4%

## Rental Range

*ONS Price Index of Private Rents (Monmouthshire). Low / Realistic / Optimistic = conservative / average / best case.*

- **Low:** £890/mo
- **Realistic:** £989/mo
- **Optimistic:** £1,088/mo

## Rental Comparables

*Residential lets in the area (all bedroom counts shown — none matched the 4-bedroom EPC estimate). Student lets are excluded.*

| Title | Rent | Beds | Distance | As seen on |
|------|------|------|------|------|
| 5 Bed Detached House, Adams Close, NP15 | £2,700/mo | 5 | 0.07 miles | OpenRent |
| 2 Bed Terraced House, Castle Mews, NP15 | £900/mo | 2 | 0.22 miles | OpenRent |
| 1 Bed Flat, Llancayo House, NP15 | £1,329/mo | 1 | 1.22 miles | OpenRent |
| 1 Bed Flat, Llancayo House, NP15 | £1,359/mo | 1 | 1.22 miles | OpenRent |

**Average rent: £1,572/mo (4 listings)**

## 1% Rule

- **Rent ratio:** 0.28% (weak for cashflow)
- **Max investor price (0.8%):** £168,000
- **Target investor price (1%):** £134,400

*Monthly rent ÷ price. 1%+ = strong, 0.8–1% = okay, <0.8% = weak. Max investor price = rent ÷ 0.8% (Stoke-style target). Target investor price = rent ÷ 1% (strong cashflow band). Based on OpenRent comparables.*

## Rent-driven metrics

*Based on OpenRent comparables (median £1,344/mo).*

- **Gross yield:** 3.4%
- **Cost-to-rent:** 29.8×
- **Monthly cashflow:** £-706/mo (75% LTV, 3.95% APR (5yr fixed), 25yr term)
- **Cash-on-cash ROI:** -6.1%

*Gross yield = annual rent as % of price (no costs). Cost-to-rent = price ÷ annual rent (from OpenRent comparables); under 14× = strong, 14–16× = acceptable, 17×+ = compressed. Cashflow = rent − mortgage − 10% maintenance − £25/mo compliance; assumes 75% LTV, 3.95% APR (5yr fixed), 25yr term. ROI = annual profit ÷ cash in (deposit + 4% purchase costs).*

## Flood risk

- **Zone:** 1
- **Risk:** Low
- **Source:** Not in Flood Risk Area (no data)

[Check long-term flood risk (GOV.UK)](https://check-long-term-flood-risk.service.gov.uk/postcode)

## Street-level crime

- **Total incidents:** 0

*Within 1 mile during Mar 2026. Source: data.police.uk (England & Wales).*

## Schools nearby

*Nearest open schools with Ofsted ratings (England). Closed schools are not shown.*

| Name | Type | Distance | Ofsted |
|------|------|----------|--------|
| Usk C.V.. Primary School | Other | 0.2 miles | — (No rating) |
| Llanfair Kilgeddin C.V. Primary | Other | 4.1 miles | — (No rating) |
| Raglan CIW VC Primary School | Other | 4.4 miles | — (No rating) |

## FENSA Certificates

This property has 1 FENSA certificate(s) on record.

### FENSA Certificate #4258354
- **Address:** 21 Castle Oak, USK, NP15 1SG
- **Certificate Issued:** 27/11/2006
- **Work Completed:** 10/11/2006
- **Items:** 1 window(s), 2 door(s)