4 Bydown
BN25 3NF
- Detached
- Freehold
- 5 bedrooms (estimate)
- 1,830 sq ft
- EPC C
What comparable sales show
Strong match£655,000
Range £576,000 to £734,000 · £358 per sq ft
Since last sale
+£77,500
+13.4% since Jul 2019, +1.7% a year
Rank in BN25 3NF
2nd of 7
Postcode average £608,714
From completed sales of similar homes nearby, adjusted for floor area. It cannot see condition, layout or recent work, so it is not a valuation.
In short
4 Bydown is a 5 bedroom freehold detached in BN25 of about 1,830 sq ft.
Comparable completed sales nearby put it at £576,000 to £734,000, about £655,000 in the middle.
That makes it the 2nd highest of the 7 homes we can compare in BN25 3NF, where the middle figure averages £608,714.
It last sold for £577,500 in July 2019; comparable sales suggest it has gained about £77,500 since, roughly +1.7% a year.
Across Lewes, 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
£576,000
Middle
£655,000
Upper end
£734,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
On the map
Where 4 Bydown is
4 Bydown on the map
This home and the completed sales its figure is worked out from. 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.
Energy
How efficient the home is
Energy performance certificate
From the official register for 4 Bydown, lodged 8 November 2018.
Rating now
C73 points
Could reach
B82 points
9 points higher with the improvements below
- Built
- 1976–1982
- 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, 270 mm loft insulation
GoodFloor
Suspended, 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 71% of fixed outlets
Very good
Estimated running costs
A year, now and after the recommended improvements.
£124 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 (2018), 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 (suspended floor)
Typical cost 1,200 · saves about £50 a year
Rating after74C - 2
Low energy lighting for all fixed outlets
No cost given on the certificate · saves about £24 a year
Rating after75C - 3
Solar water heating
Typical cost 6,000 · saves about £50 a year
Rating after76C - 4
Solar photovoltaic panels, 2.5 kWp
Typical cost 8,000 · saves about £336 a year
Rating after82B
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 |
|---|---|---|---|
| July 2019 | £577,500 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in BN25 3NF
Ranked by what comparable sales show. Choose one to see its page.
The completed sales behind the figure
Similar homes nearby, registered with HM Land Registry. Choose one to see its page.
| Home | Price | Sold | Size | Per sq ft | Away |
|---|---|---|---|---|---|
| 3 BydownBN25 3NF · Detached | £670,000 | May 2026 | 1,830 sq ft | £366 | < 0.1 mi |
| 10 BydownBN25 3NF · Detached | £570,000 | Jul 2026 | 1,432 sq ft | £398 | < 0.1 mi |
| 23 Sandore RoadBN25 3PZ · Detached | £591,000 | Jul 2026 | 1,518 sq ft | £389 | 0.1 mi |
| Kviabol Sheep Pen LaneBN25 4QR · Detached | £445,000 | Mar 2026 | 1,464 sq ft | £304 | 0.2 mi |
| 6 Aquila ParkBN25 4QA · Detached | £515,000 | Feb 2026 | 1,410 sq ft | £365 | 0.1 mi |
| 75 Sutton DroveBN25 3NL · Detached | £620,000 | Mar 2026 | 1,335 sq ft | £465 | 0.1 mi |
| 15 Went Hill ParkBN25 4QD · Detached | £625,000 | Mar 2026 | 1,399 sq ft | £447 | 0.1 mi |
| 3 Downs RoadBN25 4QL · Detached | £560,000 | Sept 2026 | 1,270 sq ft | £441 | 0.2 mi |
| 16 Ramsey CrescentBN25 4FF · Detached | £510,000 | Jan 2026 | 1,335 sq ft | £382 | 0.2 mi |
| 53 Alfriston RoadBN25 3QD · Detached | £485,000 | Feb 2025 | 2,056 sq ft | £236 | 0.2 mi |
| 2 Aquila ParkBN25 4QA · Detached | £575,000 | Nov 2024 | 1,485 sq ft | £387 | 0.1 mi |
| 22 Bromley RoadBN25 3ES · Detached | £475,000 | Aug 2025 | 1,141 sq ft | £416 | 0.1 mi |
The area
BN25 at a glance
What buyers have paid in BN25
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 | 316 | £389,219 | 1,075 sq ft | £384 | +2.0% |
| Flats | 69 | £210,739 | 662 sq ft | £308 | −5.1% |
| Terraced | 46 | £323,978 | 937 sq ft | £359 | −1.5% |
| Semi-detached | 63 | £396,081 | 1,075 sq ft | £401 | +9.9% |
| Detached | 133 | £505,903 | 1,262 sq ft | £410 | +0.1% |
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.
Floor area and energy rating from the energy certificate of November 2018.
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