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See how verdicts work4-bedroom flat · SW7 3PY
For saleReduced £400k (−12.3%) on 17 OctListed 42 days
Opportunity summary
See Archie’s verdict, returns by strategy and what to check before viewing.
About
An expansive, unmodernised four-bedroom maisonette located in the prestigious Onslow Gardens, offering an exceptional opportunity for renovation to create a truly bespoke residence.
With a generous floor area of approximately 2,369 sq ft, the apartment is arranged across the raised ground and lower ground floors of a handsome, stucco-fronted Grade II listed Victorian building.
Upon entering the property on the raised ground floor, the building contains only two other flats, one of which has lateral access from the neighbouring property, ensuring a sense of privacy.
The apartment features a spacious bay-fronted reception room, which is characterised by a striking ceiling height of 3.84 metres, accented with ornate period cornicing.
Adjacent to the reception room is a dining room that leads to a separate kitchen with direct access to a terrace, ideal for al fresco dining and entertaining.
An unusually wide staircase descends to the lower ground floor, where the principal bedroom is discreetly positioned at the rear, offering generous integrated storage and an en suite.
Two further spacious double bedrooms are also located on this floor, one with access to the terrace and the other with an en suite.
Additionally, a flexible single bedroom/study also has direct access to the terrace. The lower ground floor benefits from excellent natural light, high ceilings, and ample hallway storage.
*Please note that we have been unable to confirm if there is ground rent and the current service charge amount.
You should ensure you make your own enquiries regarding material information about this property.
Onslow Gardens is arguably 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.
The apartment is within close proximity to South Kensington Underground Station, which is serviced by the Circle, District, and Piccadilly lines, enabling excellent transport connections to explore the city with ease.
Additionally, St Pancras International, directly accessed via the Piccadilly line, facilitates the convenience of international travel, providing seamless connections to various destinations.
Motorists will further benefit from rapid access to Heathrow Airport via the A4.
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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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 40, Onslow Gardens, London
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