20 Roundway
GU15 1NS
- Detached
- Freehold
- 7 bedrooms (estimate)
- 2,250 sq ft
- EPC C
What the sales records show
From an older sale: a rough guide£868,000
Range £770,000 to £966,000
Since last sale
+£173,000
+24.9% since Dec 2015, +2.1% a year
Rank in GU15 1NS
2nd of 15
Postcode average £721,200
There is no floor area on record, so this is the home's last sale moved from December 2015 to August 2026 by the official UK House Price Index for Surrey Heath, with the range widened the older the sale. It cannot see condition, layout or recent work, so it is not a valuation.
In short
20 Roundway is a 7 bedroom freehold detached in GU15 of about 2,250 sq ft.
There is no floor area on record, so its last sale has been moved to today by the official price index for Surrey Heath: £770,000 to £966,000, about £868,000 in the middle.
That makes it the 2nd highest of the 15 homes we can compare in GU15 1NS, where the middle figure averages £721,200.
It last sold for £695,000 in December 2015; the price index suggests it has gained about £173,000 since, roughly +2.1% a year.
Across Surrey Heath, average prices rose 1.5% in the year to August 2026.
Where in the range would yours sell?
Condition and improvements usually decide it, and only someone who sees the home can say.
Lower end
£770,000
Middle
£868,000
Upper end
£966,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
The street
Roundway and its sales
20 Roundway on the map
This home, the completed sales its figure is worked out from, and the other sales on Roundway. Choose a pin for the address, size and date.
The Land Registry records a sale by its postcode, so pins sit at the postcode, close to the home, not on its doorstep. Map: contains OS data © Crown copyright and database rights 2026.
How 20 Roundway compares with Roundway
Against the 9 completed sales on the street in the last two years
Price
- Its middle figure of £868,000 is 26% above the street's median sale price of £690,000.
- 6 of those 9 sales completed for less than this home's middle figure, and 3 for the same or more.
A comparison of completed sales, not a valuation: it cannot see condition, layout or work done since a home last sold.
Sales activity on Roundway
Completed sales registered with HM Land Registry, by quarter
- Sales in two years
- 9
- Average price
- £760,778
- Lowest
- £535,000
- Highest
- £1,065,000
| Quarter | Sales | Median price |
|---|---|---|
| Q1 2025 | 2 | £888,500 |
| Q2 2025 | 0 | – |
| Q3 2025 | 5 | £675,000 |
| Q4 2025 | 0 | – |
| Q1 2026 | 2 | £670,000 |
| Q2 2026 | 0 | – |
| Q3 2026 | 0 | – |
| Q4 2026 | 0 | – |
| Type of home | Share of sales | Median price | Per sq ft |
|---|---|---|---|
| Detached houses | 89% (8) | £701,000 | – |
| Semi-detached houses | 11% (1) | £675,000 | – |
Completed sales on Roundway
Every sale in the last two years. Choose an address to see that home's page.
| Address | Sold | Price | Type | Size | Per sq ft |
|---|---|---|---|---|---|
| 8 RoundwayGU15 1NS | Feb 2026 | £650,000 | Detached | – | – |
| 44 RoundwayGU15 1NS | Jan 2026 | £690,000 | Detached | – | – |
| 1 RoundwayGU15 1NR | Sept 2025 | £915,000 | Detached | – | – |
| 3A RoundwayGU15 1NR | Aug 2025 | £935,000 | Detached | – | – |
| 42 RoundwayGU15 1NS | Aug 2025 | £535,000 | Detached | – | – |
| 24 RoundwayGU15 1NS | Jul 2025 | £675,000 | Semi-detached | – | – |
| 15 RoundwayGU15 1NR | Jul 2025 | £670,000 | Detached | – | – |
| 7 RoundwayGU15 1NR | Mar 2025 | £712,000 | Detached | – | – |
| 46 RoundwayGU15 1NS | Jan 2025 | £1,065,000 | Detached | – | – |
Energy
How efficient the home is
Energy performance certificate
From the official register for 20 Roundway, lodged 18 May 2015.
Rating now
C72 points
Could reach
C80 points
8 points higher with the improvements below
- Built
- 1950–1966
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Walls
Cavity wall, filled cavity
GoodRoof
Pitched, 300 mm loft insulation
Very goodFloor
Solid, no insulation (assumed)
Not rated on the certificate
Windows
Fully double glazed
GoodHeating
Boiler and radiators, mains gas
GoodHeating controls
Programmer, room thermostat and TRVs
GoodHot water
From main system
GoodLighting
Low energy lighting in 59% of fixed outlets
GoodSecond heating
Room heaters, mains gas
Not rated on the certificate
Estimated running costs
A year, now and after the recommended improvements.
£132 a year less after the improvements
Heating
Hot water
Lighting
The assessor's estimates at the energy prices in use when the certificate was made (2015), for a typical household. Today's bills will differ.
Improvements the certificate recommends
In the certificate's order. Each rating assumes the steps before it are done.
- 1
Floor insulation (solid floor)
Typical cost £4,000–£6,000 · saves about £96 a year
Rating after74C - 2
Low energy lighting for all fixed outlets
Typical cost £35 · saves about £35 a year
Rating after74C - 3
Solar photovoltaic panels, 2.5 kWp
Typical cost £5,000–£8,000 · saves about £292 a year
Rating after80C
Costs and savings are the certificate's own, as estimated when it was made.
History
What it has sold for
Sale history
Every sale of this home registered with HM Land Registry since 1995
| Sold | Price paid | Change | A year |
|---|---|---|---|
| December 2015 | £695,000 | −0.7% | – |
| June 2015 | £700,000 | +26.7% | +3.1% |
| October 2007 | £552,500 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in GU15 1NS
Ranked by what comparable sales show. Choose one to see its page.
Recent sales of detached homes nearby
The closest sales of the same type in the last two years, registered with HM Land Registry. Choose one to see its page.
| Home | Price | Sold | Size | Per sq ft | Away |
|---|---|---|---|---|---|
| 8 RoundwayGU15 1NS · Detached | £650,000 | Feb 2026 | – | – | < 0.1 mi |
| 44 RoundwayGU15 1NS · Detached | £690,000 | Jan 2026 | – | – | < 0.1 mi |
| 42 RoundwayGU15 1NS · Detached | £535,000 | Aug 2025 | – | – | < 0.1 mi |
| 46 RoundwayGU15 1NS · Detached | £1,065,000 | Jan 2025 | – | – | < 0.1 mi |
| 1 RoundwayGU15 1NR · Detached | £915,000 | Sept 2025 | – | – | < 0.1 mi |
| 3A RoundwayGU15 1NR · Detached | £935,000 | Aug 2025 | – | – | < 0.1 mi |
| 15 RoundwayGU15 1NR · Detached | £670,000 | Jul 2025 | – | – | < 0.1 mi |
| 7 RoundwayGU15 1NR · Detached | £712,000 | Mar 2025 | – | – | < 0.1 mi |
| 8 Roundway CloseGU15 1NT · Detached | £725,000 | Aug 2026 | – | – | 0.1 mi |
| 12 Copped Hall DriveGU15 1NP · Detached | £970,000 | Mar 2026 | – | – | 0.1 mi |
| 13 Heathside ParkGU15 1PT · Detached | £750,000 | Dec 2025 | – | – | 0.1 mi |
| 3 Heathside ParkGU15 1PT · Detached | £768,000 | Mar 2025 | – | – | 0.1 mi |
The area
GU15 at a glance
What buyers have paid in GU15
Completed sales in the last 12 months, against the 12 months before
Flats
Terraced
Semi-detached
Detached
| Type | Sales | Average price | Average size | Per sq ft | On the year |
|---|---|---|---|---|---|
| All homes | 296 | £515,037 | – | – | −31.2% |
| Flats | 91 | £228,079 | – | – | +1.5% |
| Terraced | 37 | £367,495 | – | – | −5.5% |
| Semi-detached | 60 | £459,679 | – | – | −1.7% |
| Detached | 104 | £816,467 | – | – | +3.7% |
Find another home
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Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
Energy performance data © Crown copyright. Licensed under the Open Government Licence v3.0.
Contains HM Land Registry UK House Price Index data © Crown copyright. Licensed under the Open Government Licence v3.0.
Floor area and energy rating from the energy certificate of May 2015.
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