3 Seaton Square
NW7 1GB
- Flat
- Leasehold
- 2 bedrooms (estimate)
- 592 sq ft
- EPC C
What comparable sales show
Strong match£354,000
Range £311,000 to £396,000 · £597 per sq ft
Since last sale
+£139,050
+64.7% since Oct 2002, +2.1% a year
Rank in NW7 1GB
15th of 20
Postcode average £401,400
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
3 Seaton Square is a 2 bedroom leasehold flat in NW7 of about 592 sq ft.
Comparable completed sales nearby put it at £311,000 to £396,000, about £354,000 in the middle.
That makes it the 15th highest of the 20 homes we can compare in NW7 1GB, where the middle figure averages £401,400.
It last sold for £214,950 in October 2002; comparable sales suggest it has gained about £139,050 since, roughly +2.1% a year.
Across Barnet, average prices fell 4.4% 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
£311,000
Middle
£354,000
Upper end
£396,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
On the map
Where 3 Seaton Square is
3 Seaton Square 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 3 Seaton Square, lodged 14 July 2020.
Rating now
C71 points
Could reach
C76 points
5 points higher with the improvements below
- Built
- 1996–2002
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Walls
Cavity wall, as built, insulated (assumed)
GoodRoof
(another dwelling above)
Not rated on the certificate
Floor
Suspended, limited insulation (assumed)
Not rated on the certificate
Windows
Fully double glazed
AverageHeating
Boiler and radiators, mains gas
GoodHeating controls
Programmer, room thermostat and TRVs
GoodHot water
From main system
GoodLighting
No low energy lighting
Very poor
Estimated running costs
A year, now and after the recommended improvements.
£114 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 (2020), 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 £800–£1,200 · saves about £26 a year
Rating after72C - 2
Low energy lighting for all fixed outlets
Typical cost £55 · saves about £46 a year
Rating after74C - 3
Replace boiler with new condensing boiler
Typical cost £2,200–£3,000 · saves about £42 a year
Rating after76C
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 2002 | £214,950 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in NW7 1GB
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 |
|---|---|---|---|---|---|
| 16 Seaton SquareNW7 1GB · Flat | £347,500 | Feb 2026 | 603 sq ft | £576 | < 0.1 mi |
| 5 Seaton SquareNW7 1GB · Flat | £448,000 | Mar 2025 | 635 sq ft | £705 | < 0.1 mi |
| Apartment 21, 4 Explorer WayNW7 1UP · Flat | £392,000 | Jun 2026 | 549 sq ft | £714 | 0.3 mi |
| Flat 4, Hill Court Bittacy RoadNW7 1BP · Flat | £371,000 | Nov 2025 | 646 sq ft | £574 | 0.2 mi |
| Apartment 28, 31 Royal Engineers WayNW7 1UW · Flat | £405,000 | Oct 2025 | 560 sq ft | £724 | 0.3 mi |
| 14 Thornbury CloseNW7 1HH · Flat | £350,000 | Feb 2025 | 635 sq ft | £551 | 0.1 mi |
| 57 Shillingford CloseNW7 1HQ · Flat | £400,000 | Aug 2025 | 753 sq ft | £531 | 0.1 mi |
| 9 Sanders LaneNW7 1BX · Flat | £325,000 | Dec 2025 | 775 sq ft | £419 | 0.1 mi |
| Apartment 28, 4 Explorer WayNW7 1UP · Flat | £407,500 | Apr 2025 | 592 sq ft | £688 | 0.3 mi |
| 3 Shillingford CloseNW7 1HQ · Flat | £440,000 | Dec 2025 | 840 sq ft | £524 | 0.1 mi |
| 18A Milespit HillNW7 2PL · Flat | £350,000 | Dec 2025 | 592 sq ft | £591 | 0.5 mi |
| 11 Abercorn RoadNW7 1JD · Flat | £440,000 | Dec 2025 | 646 sq ft | £681 | 0.4 mi |
The area
NW7 at a glance
What buyers have paid in NW7
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 | 218 | £798,015 | 1,424 sq ft | £602 | −5.1% |
| Flats | 74 | £468,568 | 767 sq ft | £553 | −1.8% |
| Terraced | 33 | £702,419 | 1,334 sq ft | £530 | −2.6% |
| Semi-detached | 74 | £744,312 | 1,286 sq ft | £616 | −14.4% |
| Detached | 32 | £1,652,009 | 2,490 sq ft | £650 | +0.7% |
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.
Floor area and energy rating from the energy certificate of July 2020.
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