Mermaid Spinney, High Street, Boxworth, Cambridge, CB23 4LY
About Mermaid Spinney
Mermaid Spinney is a five-bedroom detached house in Boxworth, Cambridge, Cambridge (CB23 4LY). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (June 2015) shows an E (score 54), well below the UK norm with real room to improve. When first surveyed in January 2010 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Good to Very Good and window efficiency went from Poor to Average; while lighting dropped from Good to Average. The recommended improvements would push it to D (score 67). Main heating runs on oil. The latest certificate is from June 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory. Records show the property has been extended at some point in its history.
Across 2015–2024, sale prices on this property compounded at 1.8% per year. Today's modelled estimate of £615,000 is 13.4% below the 2024 sale of £710,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£388/sq ft) was about 101.2% above the typical sold price in the postcode. 6 planning records sit against the property, 6 approved, 0 refused. Sold July 2024 for £710,000.
Know exactly what you're buying at Mermaid Spinney
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
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenrear
- Parkingoff_road
Building
- Heating systemoil
- Previously extendedYes
Energy performance
Mermaid Spinney's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Jun 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Planning history
Mermaid Spinney has been through 6 approved planning applications — a well-evolved property.
- May 2013ConditionsIn report
Application for approval of details reserved by condition 3 (external materials) of planning permission ref.S/1169/12/FL
- Council
- South Cambridgeshire District Council
- Documents
- 1 doc on file
- Reference
- S/0932/13/DC
- May 2013FullIn report
Variation of condition 1 of approved application S/1783/11 (Revised Design)
- Agent
- Simon Ward Architectural Design
- Council
- South Cambridgeshire District Council
- Documents
- 5 docs on file
- Reference
- S/0349/13/VC
We flagged 1 thing worth checking at Mermaid Spinney
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
Mermaid Spinney valuation sits well clear of the typical sold price in this postcode.
£615,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.8% per year over 9 years.
£710,000
Growth on file: 1.8% per year over 9 years.
Sales timeline
18 July 2024Most recent
£710,000
+16.4%over 8 years18 December 2015
£610,000
Median price across the last 5 sales in CB23 4LY: £625,000 (2023–2015).
Nearby sales in CB23 4LY
Cuckoo Pastures, High Street, Boxworth, Cambridge, CB23 4LY
Sold Nov 2023
£850,000Rose Cottage, High Street, Boxworth, Cambridge, CB23 4LY
Sold Aug 2020
£627,500Pages Farm, High Street, Boxworth, Cambridge, CB23 4LY
Sold Jan 2020
£480,000Plashes, High Street, Boxworth, Cambridge, CB23 4LY
Sold Aug 2015
£450,000The Keysmith, High Street, Boxworth, Cambridge, CB23 4LY
Sold Aug 2011
£330,000
Everything we know about Mermaid Spinney, 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 High Street homes
On price per m², Mermaid Spinney stands well clear of the street.
Price per m²
£4,176
Street avg £2,378
Floor Area
170 m²
Street avg 156 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
8.6 t/year
Street avg 6.5 t/year
Similar properties nearby
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1 Rogers Close, Elsworth
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1 High Street, Conington
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
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
42.7dB

Night-time· 23:00 – 07:00
35.9dB