21a is a two-bedroom detached house in Water Orton, Birmingham, Birmingham (B46 1QX). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2024) shows an F (score 23), near the bottom of the EPC scale. Earlier certificates rated it E (March 2013); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to D (score 56), a 2-band jump. Main heating runs on electricity. Other recorded features include a self-contained annexe. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Birmingham HPI: 11.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£378/sq ft) was about 54.8% above the typical sold price in the postcode. At 108 m² the property is well over the postcode median (73 m² across 21 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Most recent transfer was July 2025 at £440,000 — fresh data.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
21a's carbon output runs well above what efficient homes in the postcode produce.
21a has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
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.
30-day money-back guarantee
Price for 21a has grown more than fourfold since the 2007 starting point.
£398,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.6% per year over 18 years.
£440,000
Growth on file: 11.6% per year over 18 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
On years held, 21a runs well behind the street norm.
Price per m²
£4,074
Street avg £3,265
Floor Area
108 m²
Street avg 159 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Hargrave Close — bus stop.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
11 July 2025Most recent
£440,000
+63.0%over 8 years26 August 2016
£270,000
+362.9%over 9 years19 February 2007
£58,333
Median price across the last 5 sales in B46 1QX: £550,000 (2025–2023).
3 Island Close Coleshill Road Water Orton Birmingham
Sold May 2025
65 Coleshill Road Water Orton Birmingham
Sold Feb 2025
29 Coleshill Road Water Orton Birmingham
Sold Mar 2024
The Gardens Coleshill Road Water Orton Birmingham
Sold Nov 2023
31 Coleshill Road Water Orton Birmingham
Sold Sept 2023
CO₂ Emissions
8.4 t/year
Street avg 6.9 t/year
B46 1EJ
Closest school
0.4 km
Water Orton Primary School. 13 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.