Summerville, 21 Cross Avenue, Blackrock, Co. Dublin, A94 K1V0
6 Bed · 4 Bath · Detached · 515 m². See the ad on Daft →
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From Cara’s valuation model, trained on every home sold on Daft since January 2025: the house, its asking price, and what the homes nearest to it sold for. On recent sales it hadn’t seen, it was typically within 5% of the final price, and about 8 in 10 sold inside its range. Nearby, 23 of 26 houses that sold in the last 18 months went over asking, by a median of +5.4%.
18 homes for sale with them on Daft today, 7 of them around Booterstown.
What it takes to buy it
At the likely sale price, €2,895,000, with a 10% deposit and a 90% mortgage.
A lodger could cover ~11% of this repayment at €1,333 a month, the most that’s tax-free under the new €16,000 Rent a Room limit (Budget 2027). Rent a Room after Budget 2027.
Work it out with your own figures: how much can I borrow, or the stamp duty calculator. See every cost of buying.
The nearest sales
| Address | Beds | Asking | Sold | When |
|---|---|---|---|---|
| Holy Rosary Convent, 23 Cross Avenue, Blackrock, Co. Dublin 44 m away | 5 | €2,500,000 | €2,375,000 | Dec 2025 |
| 12 Pinehaven, Booterstown, Blackrock, Co. Dublin 64 m away | 5 | €1,300,000 | €1,340,000 | Jan 2026 |
| 11-13 Booterstown Avenue, Booterstown, Co.dublin, Dublin 123 m away | – | – | €400,000 | Jul 2025 |
| Bellevue, Cross Avenue, Blackrock, Co. Dublin 206 m away | 4 | €2,150,000 | €2,380,000 | Jul 2025 |
| 38 Hampton Crescent, Saint Helen's Wood, Booterstown, Blackrock, Co. Dublin 207 m away | 3 | €995,000 | €1,100,000 | Apr 2026 |
| 8 Hampton Crescent, Saint Helen's Wood, Booterstown, Blackrock, Co. Dublin 227 m away | 2 | €695,000 | €840,000 | May 2026 |
| 9 Hampton Crescent, Saint Helen's Wood, Booterstown, Blackrock, Co. Dublin 230 m away | 2 | €745,000 | €772,000 | Aug 2026 |
| Dunboden, Cross Avenue, Blackrock, Co. Dublin 234 m away | 5 | €2,195,000 | €2,325,000 | Jun 2026 |
See every home for sale in Booterstown, valued, what homes sold for across Booterstown, or read how much over asking to bid.
Before you bid, check the planning applications around Summerville on Planning Register, our sister site: extensions next door, what’s planned nearby and any appeal still open.
- ✓ A map of every sale and listing around it
- ✓ The comparable sales behind the figure, against their asking prices
- ✓ Price history and how the area is moving