12a, Knightrider Street, Maidstone, ME15 6LP
About 12a
12a is a mid-terrace house in Maidstone (ME15 6LP). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1900-1929 and council tax band A. At 28 m² this is the smallest unit on EPC record across 12a (28–52 m²). The building's EPC ratings span E to D, with this unit at the top. The latest certificate (June 2022) shows a D (score 55), a step below the typical UK home. When first surveyed in August 2020 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor; while window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 75). Main heating runs on electricity.
One historical planning record sits against the property in 2023. The record references listed-building consent, which constrain future alterations. At 28 m² it sits well below the postcode median (50 m² across 8 EPCs), making it one of the more compact homes locally. Across 2024–2024, sale prices on this property compounded at -91.7% per year. Most recent transfer: February 2024 at £117,900.
Know exactly what you're buying at 12a
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
Heating controls upgraded for better temperature management
Hot water system upgraded
Planning history
12a has a listed-building consent on record — alterations to a listed property are tightly controlled.
- Nov 2023HeritageIn report
Listed Building Consent to carry out localised exposure works in four areas to confirm building construction for insurance related purposes. All areas to be made good using matching materials and redecorated like-for-like.
Listed- Documents
- 13 docs on file
- Reference
- 23/504214/LBC
We flagged 2 things worth checking at 12a
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
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Sales history & valuation
£128,000
Modelled from EPC, postcode comparables and a sale-price growth of -91.7% per year over 1 year.
£117,900
Growth on file: -91.7% per year over 1 year.
Sales timeline
13 February 2024Most recent
£117,900
-91.7%13 February 2024
£1,418,820
Median price across the last 1 sales in ME15 6LP: £127,000 (2018–2018).
Nearby sales in ME15 6LP
Everything we know about 12a, 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

Versus other Knightrider Street homes
Floor Area for 12a lags the street by a wide margin.
EPC Rating
55 (D)
Street avg 54 (E)
Floor Area
28 m²
Street avg 50 m²
CO₂ Emissions
2.6 t/year
Street avg 3.4 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Lower Stone Street — bus stop.
Closest school
0.7 km
Maidstone Grammar School. 33 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
55.9dB

Night-time· 23:00 – 07:00
47.2dB