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See how verdicts work3-bedroom flat · SW7 3LX
For saleListed 611 days
Opportunity summary
See Archie’s verdict, returns by strategy and what to check before viewing.
About
A beautifully proportioned three bedroom duplex penthouse apartment with lift access, positioned in one of the most sought-after buildings on Onslow Gardens, enjoying green views of Onslow Square to the front and Onslow Gardens to the rear.
The apartment is a unique offering, situated in a well-maintained building with elegant communal areas, portered block management, and residents' access to both garden squares, including a tennis court – subject to application.
Entering on the third floor to a bright, welcoming entrance hallway with a guest W/C, which is adjacent to an impressive triple window drawing room with green views of the square, featuring an attractive fireplace and floor-to-ceiling integrated bookshelves.
A formal dining room leads off the drawing room, with an ornate fireplace and a green outlook.
A separate, well-appointed eat-in kitchen is on this floor, including integrated appliances, a smart hob and pristine worktops. The hallway also has built-in storage and a separate utility room.
The principal bedroom is situated upstairs, served by extensive wardrobe storage and an en suite with a bath and built-in cupboards.
This floor is also home to two further double bedrooms, one benefiting from an en suite with a walk-in shower. All bedrooms enjoy beautiful green views over the communal gardens below.
There is a spacious landing on this floor, which creates a unique footprint and a wonderful sense of space.
Please note that we have been unable to confirm the date of the next review for service charge/ground rent. You should ensure that you or your advisors make your own inquiries.
This exceptional opportunity is ideally suited for an investor buyer.
Onslow Gardens is one of South West London's most prestigious addresses and is well located for the shops and restaurants of South Kensington, as well as providing easy access to the underground stations of both South Kensington and Gloucester Road, not to mention easy access to Heathrow.
Hyde Park is within walking distance and has the exceptional facilities of Knightsbridge and Chelsea.
Value & comps
No previous sales on record.
Returns
Set an offer; the calculator follows it.
Short-let restrictions apply
We're still gathering serviced-accommodation data for this area.
Archie refurb estimate: a Pro feature
0.0% below asking
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All investment calculators, property analyses, and AI-generated insights are for informational purposes only. Property investment carries risk and may result in financial loss. All calculations should be independently verified and you should consult with FCA-authorised financial advisers before making any investment decisions.
Past performance does not guarantee future results. Tax implications vary by individual circumstances.
Deal
Properties like this can earn 2–3x BTL yields when converted to HMO, with retrofit costs around £10k/room. Sign in to see the full tier, yield projection, and cost breakdown.
Commercial properties like this can earn 30-50% higher yields when converted to residential under Class MA / Q / P / PA, with prior approval costing ~GBP 96/unit. Sign in to see the recommended route, yield uplift, and cost breakdown.
BRRR-suited properties can recycle 80-100% of investor capital on refi, leaving a high-yielding rental with most of the money out. Sign in to see the refurb cost stack, ARV projection, and refinance maths.
Detached + large garden = sub-division play. Pro tier unlocks the tier badge, plot size, uplift estimate, and regional land benchmark.
Short-lease flats trade at deep discount, but extending under the 1993 Act often costs far less than the discount. Pro tier unlocks the tier badge, premium breakdown, long-lease ARV and arbitrage maths.
See projected short-stay revenue vs a vanilla BTL for this property.
See real sub-let margins (HMO room rates & SA nightly rates) vs the landlord rent.
Area
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FAQ
About 1 and 2, Onslow Gardens, London
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