77 THAMES SIDE, TW18 2HF is a Detached in Staines-Upon-Thames, Surrey, England. It last sold for £741,500 in 2021. Its current EPC rating is A (score 92 out of 100), with potential to reach A. Floor area is approximately 250 m². This works out at about £2,966 per m², 43% below the town average of £5,235 per m² (context, not a valuation). Tenure: Freehold. Local authority: Spelthorne.
77 THAMES SIDE
STAINES-UPON-THAMES, SURREY · TW18 2HF
Things you should know
A quick summary of this property, drawn from its records.
It's a detached property, held freehold, with 250 m² of floor area.
Last sold for £741,500 in December 2021 — its only sale on record. · HM Land Registry
That sale works out at ~£2,966/m² — 43% below the town average of £5,235/m² (3,601 sales). · Context, not a valuation
Energy rating EPC A (score 92/100), with potential to reach A. · EPC, inspected 2025
Built 2024. · Construction age band, from EPC
Facts from HM Land Registry (sales) and the EPC register (energy), under the Open Government Licence. Area comparisons are context, not a valuation or financial advice. Figures are as per our current dataset, which we're expanding continually.
Property Overview
Key facts from EPC & HM Land Registry records.
Built Form
Detached
Tenure
Freehold
Floor Area
250 m²
≈ 2,691 sq ft
Year Built
2024
Construction age band, from EPC
Current EPC Rating
Band A · Score 92/100
Potential Band A · Valid until 14 March 2035
Local Authority
Spelthorne↗
📍 Approximate location based on postcode centroid. Exact pin coming soon.
Value Insights
Price metrics derived from sale price and floor area.
Price per square metre
£2,966 /m²
Based on the 2021 sale
£/m² vs STAINES-UPON-THAMES
−43% below the average sale price
Area avg £5,235/m² · 3,601 sales
Floor area
250 m²
≈ 2,691 sq ft · from EPC
Last sale price
£741,500
3 December 2021
How This Compares
How this property's 2021 sale price of £741,500 compares with the average sale price nearby — based on recorded house prices (not £/m²).
vs TW18 postcode area
TW18 average sale price: £444,996 · based on 3,048 sales
vs STAINES-UPON-THAMES average
STAINES-UPON-THAMES average sale price: £428,520 · based on 3,963 sales
Averages are across all property types sold 2020–2026 in our dataset, so they reflect the mix of homes in the area rather than like-for-like.
Sales History
1 sale recorded
Last sold
£741,500
3 December 2021
3 December 2021
Latest£741,500
Detached · Freehold
Only one sale is recorded for this property, so change and annualised return can't be calculated yet. They'll appear automatically if it sells again.
EPC Intelligence
Energy Performance Certificate history for this property.
Energy Efficiency Over Time
Year-on-year EPC score progression for this property.
EPC energy efficiency scores for 77 THAMES SIDE. The property scored 53 (Rating E) in 2015 and 92 (Rating A) in 2025, an improvement of 39 points.
Point improvement
2015 to 2025
Summary: EPC energy efficiency scores for 77 THAMES SIDE. The property scored 53 (Rating E) in 2015 and 92 (Rating A) in 2025, an improvement of 39 points.
Rating A · Score 92
LatestInspected 14 March 2025
Valid until 14 March 2035
Potential
Floor Area
250 m²
Construction Era
2024
CO₂ Emissions
1.8 t/yr
Mains Gas
—
Walls
Average thermal transmittance 0.14 W/m²K
Very GoodRoof
Average thermal transmittance 0.14 W/m²K
Very GoodWindows
High performance glazing
Very GoodMain Heating
Boiler and underfloor heating, mains gas
GoodRating B · Score 90
Inspected 28 August 2024
Valid until 28 August 2034
Potential
Floor Area
239 m²
Construction Era
2012 onwards
CO₂ Emissions
2.2 t/yr
Mains Gas
Yes
Walls
Cavity wall, as built, insulated (assumed)
Very GoodRoof
Pitched, 250 mm loft insulation
GoodWindows
Fully double glazed
GoodMain Heating
Boiler and underfloor heating, mains gas
GoodRating E · Score 53
Inspected 25 February 2015
Expired 25 February 2025
Potential
Floor Area
94 m²
Construction Era
1930–1949
CO₂ Emissions
5.3 t/yr
Mains Gas
Yes
Walls
Solid brick, as built, no insulation (assumed)
Very PoorRoof
Pitched, 100 mm loft insulation
AverageWindows
Fully double glazed
AverageMain Heating
Boiler and radiators, mains gas
GoodiHow is the EPC score calculated?
The score (1–100) is the property's energy efficiency rating, produced by an accredited Domestic Energy Assessor using the UK Government's Standard Assessment Procedure (SAP). A higher score means a more energy-efficient home that's cheaper to run.
It's calculated from the property's physical characteristics, including:
- Size & floor area
- Construction & age
- Wall, roof & floor insulation
- Windows / glazing
- Main heating & controls
- Hot water & lighting
These are the factors shown in the certificates above. The score maps to a band — A (92–100, most efficient) down to G(1–20). The "potential" score is what could be achieved with the recommended improvements. Source: MHCLG EPC Register.
Schools
Schools and Ofsted ratings near this property.
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Property Intelligence
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Planning applications and decisions for this property and surrounding area.
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Valuation Intelligence
Automated valuation model and local price trend analysis.