Flat B, 13 Catherine Hill, Frome, BA11 1BZ
About Flat B
Flat B is a detached house in Frome (BA11 1BZ). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (January 2026) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 87), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 31 m² it sits well below the postcode median (57 m² across 19 EPCs), making it one of the more compact homes locally. 14 years since the last transfer (May 2012). Across the public record there are 5 sales, relatively high churn for a single property. Across 2000–2012, sale prices on this property compounded at 10.9% per year. Today's modelled estimate of £127,000 is 32.3% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£288/sq ft) was about 37.5% above the typical sold price in the postcode.
Know exactly what you're buying at Flat B
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
Energy performance
Flat B's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Heating system changed
Hot water system changed
Wall insulation improved
Planning history
Flat B has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Flat B
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has grown by over 3x since 2000.
£127,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.9% per year over 12 years.
£96,000
Growth on file: 10.9% per year over 12 years.
Sales timeline
24 May 2012Most recent
£96,000
-22.6%over 4 years27 September 2007
£124,000
+24.6%over 11 months3 November 2006
£99,500
+2.6%over 1 year18 August 2005
£97,000
+240.4%over 4 years5 September 2000
£28,500
Median price across the last 5 sales in BA11 1BZ: £249,950 (2025–2020).
Nearby sales in BA11 1BZ
Everything we know about Flat B, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Catherine Hill homes
On co₂ emissions, Flat B stands well clear of the street.
Price per m²
£3,097
Street avg £3,670
Floor Area
31 m²
Street avg 56 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
0.5 t/year
Street avg 3.5 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Market Place — bus stop.
Closest school
0.3 km
Vallis First School. 10 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.