3a, Derby Street, Weymouth, DT4 7HX
About 3a
3a is a one-bedroom end-of-terrace house in Weymouth (DT4 7HX). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (January 2021) shows a C (score 72). When first surveyed in August 2015 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Very Poor to Good. At 37 m² this is the 9th smallest of 47 units on EPC record in the building, where floor areas span 27–179 m². The building's EPC ratings span E to B across 47 units on file. Our model identifies extension potential, subject to local planning policy.
At 37 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 2000–2018, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £109,000 is 14.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 55.5% above the typical sold price in the postcode. Most recent transfer: October 2018 at £95,000.
Know exactly what you're buying at 3a
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
Outside
- ParkingYes
Building
- Heating systemGas
- Extension potentialPossible
Energy performance
3a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Low energy lighting percentage decreased
Planning history
3a has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 3 things worth checking at 3a
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
30-day money-back guarantee
Sales history & valuation
Sale price has grown by over 3x since 2000.
£109,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 18 years.
£95,000
Growth on file: 6.9% per year over 18 years.
Sales timeline
8 October 2018Most recent
£95,000
+227.6%over 17 years8 December 2000
£29,000
Median price across the last 5 sales in DT4 7HX: £235,000 (2025–2022).
Nearby sales in DT4 7HX
Everything we know about 3a, 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
3a outperforms the street on price per m² by a wide margin.
Price per m²
£2,568
Street avg £2,266
Floor Area
37 m²
Street avg 47 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 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