12 Market Square, Westerham, TN16 1AW
About 12 Market Square
12 Market Square is a detached house in Westerham (TN16 1AW). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1991-1995 and council tax band C. At 65 m² this is the 3rd smallest of 7 units on EPC record in the building, where floor areas span 48–183 m². The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (67 versus a worst of 45). The latest certificate (March 2025) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 71). Main heating runs on electricity.
It hasn't traded since September 2004, a hold of 22 years that's notably long for the area. At 65 m² it sits well below the postcode median (93 m² across 6 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£600/sq ft) was about 464.8% above the typical sold price in the postcode. One planning record on file: partial demolition refused in 2010.
Know exactly what you're buying at 12 Market Square
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Hot water efficiency improved
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Nov 2010DemolitionHeritageIn report
Demolition of wall separating Nos. 10 and 12 Market Square. Lowering part of ground floor.
- Documents
- 11 docs on file
- Reference
- 10/02460/LBCALT
We flagged 1 thing worth checking at 12 Market Square
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
12 Market Square valuation sits well clear of the typical sold price in this postcode.
£452,000
Modelled from EPC, postcode comparables.
£420,000
Recorded with HM Land Registry.
Sales timeline
5 September 2004Most recent
£420,000
Median price across the last 5 sales in TN16 1AW: £156,500 (2022–1996).
Everything we know about 12 Market Square, 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 Market Square homes
EPC Rating for 12 Market Square runs comfortably ahead of the street norm.
EPC Rating
67 (D)
Street avg 51 (E)
Floor Area
65 m²
Street avg 99 m²
CO₂ Emissions
4.4 t/year
Street avg 5.7 t/year
Habitable Rooms
3 rooms
Street avg 6 rooms
Similar properties nearby
1 Alms Row, High Street, Brasted
TN16 1HU
1 Bloomfield Terrace
TN16 1DA
1 Bull Cottages, Church Road, Brasted
TN16 1HY
1 Bartons Cottage, High Street, Brasted
TN16 1JJ
1 Brewery Cottage, High Street
TN16 1RG
1 Darenth Gardens
TN16 1DD
1 Ash Road
TN16 1EJ
1 Canville Rise
TN16 1FB
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
The Kings Arms — bus stop.
Closest school
0.5 km
Churchill Church of England Voluntary Controlled Primary School. 1 school 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
50.8dB

Night-time· 23:00 – 07:00
43.5dB