Basement Flat 2, Clarence Square
BN1 2ED
- Flat
- Leasehold
- 1 bedroom (estimate)
- 614 sq ft
- EPC C
What comparable sales show
Fair match£290,000
Range £241,000 to £339,000 · £473 per sq ft
Since last sale
+£140,000
+93.3% since Oct 2009, +3.9% a year
Rank in BN1 2ED
12th of 30
Postcode average £391,700
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
Basement Flat 2, Clarence Square is a 1 bedroom leasehold flat in BN1 of about 614 sq ft.
Comparable completed sales nearby put it at £241,000 to £339,000, about £290,000 in the middle.
That makes it the 12th highest of the 30 homes we can compare in BN1 2ED, where the middle figure averages £391,700.
It last sold for £150,000 in October 2009; comparable sales suggest it has gained about £140,000 since, roughly +3.9% a year.
Across Brighton and Hove, average prices fell 2.1% 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
£241,000
Middle
£290,000
Upper end
£339,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
The street
Clarence Square and its sales
Basement Flat 2, Clarence Square on the map
This home, the completed sales its figure is worked out from, and the other sales on Clarence Square. 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 Basement Flat 2, Clarence Square compares with Clarence Square
Against the 7 completed sales on the street in the last two years
Price
Size
Per sq ft
- Its middle figure of £290,000 is 3% below the street's median sale price of £300,100.
- At 614 sq ft it is in line with the median size of the homes sold here, 614 sq ft.
- That is £473 per sq ft, 2% above the street's median of £462 per sq ft.
- 2 of those 7 sales completed for less than this home's middle figure, and 5 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 Clarence Square
Completed sales registered with HM Land Registry, by quarter
- Sales in two years
- 7
- Average price
- £363,086
- Lowest
- £230,000
- Highest
- £760,000
| Quarter | Sales | Median price |
|---|---|---|
| Q1 2025 | 2 | £570,000 |
| Q2 2025 | 1 | £343,000 |
| Q3 2025 | 1 | £300,100 |
| Q4 2025 | 1 | £290,000 |
| Q1 2026 | 1 | £230,000 |
| Q2 2026 | 0 | – |
| Q3 2026 | 0 | – |
| Q4 2026 | 0 | – |
| Type of home | Share of sales | Median price | Per sq ft |
|---|---|---|---|
| Flats | 86% (6) | £295,050 | £462 |
| Terraced houses | 14% (1) | £760,000 | – |
Completed sales on Clarence Square
Every sale in the last two years. Choose an address to see that home's page.
| Address | Sold | Price | Type | Size | Per sq ft |
|---|---|---|---|---|---|
| Flat 1, 40 Clarence SquareBN1 2ED | Mar 2026 | £230,000 | Flat | 570 sq ft | £403 |
| Flat 1, 23 Clarence SquareBN1 2ED | Dec 2025 | £290,000 | Flat | 614 sq ft | £473 |
| Flat C, 7 Clarence SquareBN1 2ED | Jul 2025 | £300,100 | Flat | – | – |
| Basement Flat, 4 Clarence SquareBN1 2ED | Jun 2025 | £343,000 | Flat | 678 sq ft | £506 |
| 13 Clarence SquareBN1 2ED | Feb 2025 | £760,000 | Terraced | – | – |
| First And Second Floor Flat, 2 Clarence SquareBN1 2ED | Feb 2025 | £380,000 | Flat | 1,119 sq ft | £339 |
| Flat 2, 11 Clarence SquareBN1 2ED | Nov 2024 | £238,500 | Flat | 517 sq ft | £462 |
Energy
How efficient the home is
Energy performance certificate
From the official register for Basement Flat 2, Clarence Square, lodged 18 March 2019.
Rating now
C69 points
Could reach
C79 points
10 points higher with the improvements below
- Built
- Before 1900
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Walls
Granite or whinstone, as built, no insulation (assumed)
Very poorRoof
(another dwelling above)
Not rated on the certificate
Floor
Suspended, no insulation (assumed)
Not rated on the certificate
Windows
Some double glazing
Very poorHeating
Boiler and radiators, mains gas
GoodHeating controls
Programmer, room thermostat and TRVs
GoodHot water
From main system
GoodLighting
Low energy lighting in 55% of fixed outlets
Good
Estimated running costs
A year, now and after the recommended improvements.
£186 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 (2019), 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
50 mm internal or external wall insulation
Typical cost £4,000–£14,000 · saves about £91 a year
Rating after74C - 2
Floor insulation (suspended floor)
Typical cost £800–£1,200 · saves about £23 a year
Rating after75C - 3
Floor insulation (solid floor)
Typical cost £4,000–£6,000 · saves about £18 a year
Rating after76C - 4
Low energy lighting for all fixed outlets
Typical cost £25 · saves about £18 a year
Rating after77C - 5
Replace single glazed windows with low-E double glazed windows
Typical cost £3,300–£6,500 · saves about £38 a year
Rating after79C
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 |
|---|---|---|---|
| October 2009 | £150,000 | +13.6% | +2.0% |
| May 2003 | £132,000 | +74.8% | +29.9% |
| March 2001 | £75,500 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in BN1 2ED
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 |
|---|---|---|---|---|---|
| Flat 1, 23 Clarence SquareBN1 2ED · Flat | £290,000 | Dec 2025 | 614 sq ft | £473 | < 0.1 mi |
| Flat 1, 40 Clarence SquareBN1 2ED · Flat | £230,000 | Mar 2026 | 570 sq ft | £403 | < 0.1 mi |
| 31, Chartwell Court Russell SquareBN1 2EW · Flat | £175,000 | May 2026 | 592 sq ft | £296 | 0.1 mi |
| Basement Flat, 4 Clarence SquareBN1 2ED · Flat | £343,000 | Jun 2025 | 678 sq ft | £506 | < 0.1 mi |
| Flat 5, 15 Stone StreetBN1 2HB · Flat | £230,000 | Mar 2026 | 667 sq ft | £345 | 0.1 mi |
| 18B Montpelier StreetBN1 3DJ · Flat | £315,000 | Aug 2026 | 560 sq ft | £563 | 0.2 mi |
| Top Floor Flat, 29 Clifton TerraceBN1 3HB · Flat | £371,000 | Feb 2026 | 678 sq ft | £547 | 0.2 mi |
| Flat 2, 11 Clarence SquareBN1 2ED · Flat | £238,500 | Nov 2024 | 517 sq ft | £462 | < 0.1 mi |
| Flat 3, 5 Cavendish PlaceBN1 2HS · Flat | £347,000 | Oct 2025 | 570 sq ft | £608 | 0.2 mi |
| Flat 2, 6 Cavendish PlaceBN1 2HS · Flat | £306,250 | Oct 2025 | 667 sq ft | £459 | 0.2 mi |
| 15D, Bedford Towers Kings RoadBN1 2JG · Flat | £343,250 | Feb 2026 | 743 sq ft | £462 | 0.2 mi |
| 27A Montpelier StreetBN1 3DL · Flat | £305,000 | Jan 2026 | 495 sq ft | £616 | 0.2 mi |
The area
BN1 at a glance
What buyers have paid in BN1
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 | 693 | £496,049 | 1,029 sq ft | £492 | −5.8% |
| Flats | 275 | £306,152 | 683 sq ft | £464 | +0.2% |
| Terraced | 195 | £591,748 | 1,160 sq ft | £534 | −4.6% |
| Semi-detached | 134 | £561,812 | 1,166 sq ft | £468 | −3.0% |
| Detached | 58 | £901,828 | 1,625 sq ft | £541 | +9.8% |
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 March 2019.
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