Opera House, Flat 1, 23 Derby Street, Weymouth, DT4 7HX
About Opera House
Opera House is a one-bedroom end-of-terrace house in Weymouth (DT4 7HX). It has a recorded floor area of 41 m² (around 444 sq ft), construction records dating it to 1991-1995 and council tax band B. At 41 m² this is the 2nd smallest of 6 units on EPC record in Opera House, where floor areas span 41–61 m². The building's EPC ratings span E to B across 6 units on file. The latest certificate (March 2011) shows a C (score 76), near the top of the C band. The latest certificate is from March 2011, so improvements made since then won't be reflected.
At 41 m² it sits well below the postcode median (68 m² across 46 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). Across 2005–2014, sale prices on this property compounded at -3.1% per year. Today's modelled estimate of £120,000 is 37.9% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£196/sq ft) was about 29.2% above the typical sold price in the postcode. Last changed hands 12 years ago, in July 2014.
Know exactly what you're buying at Opera House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
- ParkingYes
Energy performance
Opera House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Mar 2021
EPC Rating
Planning history
Opera House has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 3 things worth checking at Opera House
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
- Environmental risk flagged
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Sales history & valuation
£120,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.1% per year over 9 years.
£87,000
Growth on file: -3.1% per year over 9 years.
Sales timeline
29 July 2014Most recent
£87,000
-24.3%over 8 years29 September 2005
£115,000
Median price across the last 5 sales in DT4 7HX: £235,000 (2025–2022).
Nearby sales in DT4 7HX
Everything we know about Opera House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
- Environmental risk flagged

Versus other Derby Street homes
On epc rating, Opera House stands well clear of the street.
Price per m²
£2,108
Street avg £2,292
Floor Area
41 m²
Street avg 47 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.1 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Weymouth Rail Station — railway station.
Closest school
0.8 km
Coastland College. 12 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.5dB

Night-time· 23:00 – 07:00
43.7dB