15a, Chapel Street, Waterbeach, Cambridge, CB25 9HR
About 15a
15a is a five-bedroom detached house in Waterbeach, Cambridge, Cambridge (CB25 9HR). It has a recorded floor area of 168 m² (around 1808 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (February 2026) shows a C (score 73). When first surveyed in August 2015 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved. At 168 m² it's 25.3% larger than the typical home in the postcode (134 m² median across 11 EPCs). 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 2001–2016, sale prices on this property compounded at 5% per year. Today's modelled estimate of £667,000 is 34.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£274/sq ft) was about 52.5% above the typical sold price in the postcode. Last sold in March 2016, so it's been off the market for around 10 years.
Know exactly what you're buying at 15a
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
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms5
- Bathrooms3
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
A a single-storey extension application was refused at 15a in 2025.
- Oct 2025ExtensionFullIn report
Extension: Single storey
First floor extension together with an increase in ridge height.
- Agent
- Modugroup
- Council
- South Cambridgeshire District Council
- Documents
- 20 docs on file
- Reference
- 25/03438/HFUL
- Jul 2017Garage ConversionFullIn report
GARAGE CONVERSION & INTERNAL ALTERATIONS
- Agent
- Camplans
- Council
- South Cambridgeshire District Council
- Documents
- 10 docs on file
- Reference
- S/1737/17/FL
We flagged 1 thing worth checking at 15a
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.
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
15a has more than doubled in price since the earliest registered sale in 2001.
£667,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 15 years.
£495,000
Growth on file: 5.0% per year over 15 years.
Sales timeline
3 March 2016Most recent
£495,000
+104.1%over 14 years21 June 2001
£242,500
Median price across the last 5 sales in CB25 9HR: £650,000 (2022–2014).
Nearby sales in CB25 9HR
17 Chapel Street, Waterbeach, Cambridge, CB25 9HR
Sold Aug 2022
£730,00018 Chapel Street, Waterbeach, Cambridge, CB25 9HR
Sold Apr 2018
£650,00014 Chapel Street, Waterbeach, Cambridge, CB25 9HR
Sold Mar 2018
£480,00015 Chapel Street, Waterbeach, Cambridge, CB25 9HR
Sold Dec 2017
£1,150,0001a, Chapel Street, Waterbeach, Cambridge, CB25 9HR
Sold May 2014
£99,500
Everything we know about 15a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- A planning decision worth checking

Versus other Chapel Street homes
Price per m²
£2,946
Street avg £2,798
Floor Area
168 m²
Street avg 175 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.2 t/year
Street avg 5.4 t/year
Similar properties nearby
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CB25 9AX
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CB25 9LQ
1 Bradford Cottages, Lode Road, Bottisham
CB25 9DJ
1 Bank Farm Cottage, Long Drove, Waterbeach
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1 Beechwood Avenue, Bottisham
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1 Abrahams Close, Landbeach
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Waterbeach Rail Station — railway station.
Closest school
0.5 km
Waterbeach Community 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
46.5dB

Night-time· 23:00 – 07:00
37.7dB