Siili tn 27 (Tallinn, Mustamäe linnaosa) is a 1988 9-story residential building, 36 apartments (EHR 101011410). Estiq AVM model benchmark is 2 654 €/m² (range 2 500–2 808 €/m²) as of Oct 18, 2026.
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Siili tn 27 is a 9-storey residential building built in 1988, with 36 apartments, energy class C. The Estiq AVM benchmark is €2 654/m², 0.9% below the Mustamäe median (notarised apartment transaction median €2 679/m², 2026 Q3, n=404).
Siili tn 27 is a 9-storey residential building completed in 1988 in Mustamäe, with 36 apartments. Load-bearing structure: Brick / Masonry (EHR register). The most common unit type is 4-room apartments (18 of them). Energy class C (per energy certificate).
The Estiq AVM baseline for apartments in this building is 2 654 €/m², approximately 0.9% below the Mustamäe median (notarised apartment transaction median €2 679/m², 2026 Q3, n=404). The typical unit (4-room, 74,7 m²) comes to about €187 198.
First-time home buyers, 1–2 person households, and rental investors.
Energy class C, open surface parking, and 1988 construction vintage.
Market rent for typical 4-room apartment (3 listings within 500 m).
📊 Market data · 3 listings within 500 mEstimated gross yield (derived from real rental market listings).
from market dataOfficial Building Register (EHR) apartment types and Estiq valuation ranges.
| Apartment | Count | Typical Size | €/m² | Value Range |
|---|---|---|---|---|
| 1-room | 9 | 37.7 m² | €2 973 | €105 581–€118 583 |
| 3-room | 9 | 65.6 m² | €2 506 | €154 859–€173 928 |
| 4-room | 18 | 73.3 – 76.1 m² | €2 506 | €176 341–€198 056 |
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Tüve stop 98 m / 1 min; fast connection to city centre.
Weight 20%Audentese Erakool 329 m; kindergarten 360 m.
Weight 15%41% of hours good, 21% poor (12-month mean, level: high), noise level 60 dB (noisy), modelled (Lden), nearest park Audentese Tennisehall 125 m. Sources: Estiq noise model (CNOSSOS-EU); Estiq air-quality index derived from Keskkonnaagentuur data.
Weight 10%PPA open data (H3 cell (~0.7 km²), 24 months to 14.10.2026, n=160): high incident level; last 12 months vs previous 12: +139.5%.
Weight 10%Built in 1988; structure Brick / Masonry.
Weight 15%EHR energy certificate C (issued 24.09.2010, expired); heating type District Heating.
Weight 10%Audentese Tennisehall 125 m; supermarket 381 m.
Weight 10%Land Board transaction volume in this micro-location (363 transactions over the last 4 quarters in the "built 1971-1990" cohort).
Weight 10%Official open data and Estiq models for this building’s location. They describe the area, not a specific apartment. How we calculate this.
Police and Border Guard Board open data list 160 recorded incidents in the surrounding ~0.7 km² cell over 24 months (data to 14.10.2026). Last 12 months vs the 12 before: +140%.
Counts incidents reported to the police, not how safe it feels.
Of 3 165 hourly readings in the last 12 months (07.12.2025–26.10.2026, this building’s cell (~0.1 km²)): 41% in the two best classes, 38% in the middle one and 21% in the two worst of five.
Estimated road noise is 7 dB above the WHO recommended level (53 dB Lden).
Radon concentration in soil gas. Based on measurements in this cell. That is below the 50 kBq/m³ threshold from which new buildings need radon-safe construction (EVS 840). Municipality-wide class: Kõrge või väga kõrge.
A soil-gas reading, not the flat’s indoor air; mainly relevant to basements and ground floors.
Transactions 2024 Q4–2026 Q3 · Land Board · Mustamäe · built 1971-1990 cohort.
Notary-deal €/m², year-on-year change and deal activity at neighbourhood, district and city level.
| Level | €/m² | Building vs | YoY | Deals, 4 qtrs | Direction |
|---|---|---|---|---|---|
| Neighbourhood: Siili asum2026 Q3 | €2 657 | −0.1% | +15.3% | — | — |
| District: Mustamäe linnaosa2026 Q3 | €2 679 | −0.9% | +8.5% | 1 495 (+5.4%) | Steady |
| City: Tallinn2026 Q3 | €2 949 | −10.0% | +3.4% | — | — |
Source: Land Board notary deals, latest finished quarter. Activity = deals in the last 4 quarters vs the 4 before. "Warming" or "cooling" only when both price (±3%) and activity (±10%) move the same way on at least 30 deals; otherwise "steady". We do not measure days on market.
Within a 10-minute walk, there are 18 key infrastructure facilities (19 services nearby) · Coordinates 59.405271, 24.708719 · Cadastre 78405:504:0120.
Official open data from Statistics Estonia REL2021 census and Building Register EHR.
Peak construction era: 1961–1970.
Values read from EHR and the Land Board cadastre; fields the registers do not hold are not shown.
| Year Built | 1988 |
| Total Apartments | 36 |
| Floors | 9 |
| Energy Class | C |
| Land Ownership | Private ownership · apartment ownership |
| Plot Size | 2 461 m² |
| Heating System | District Heating |
| Load-bearing Structure | Brick / Masonry |
| Noise Level | 60 dB (noisy) |
Only what Estiq reads from EHR and the cadastre WFS. Estiq does not track fire-safety or lift inspections.
Code 101011410 · record updated 25.09.2026.
Brick / Masonry.
EHR Portal (code: 101011410) →78405:504:0120 · plot area 2 461 m².
Land use: 100% Elamumaa.
Cadastral Map (78405:504:0120) ↗
The building is managed by apartment association Tallinn, Siili tn 27 korteriühistu (registry code 80080510). Figures are from the association's 2025 annual report (e-Business Register).
Association of 36 flats. Repair fund has shrunk; new loan taken in 2024.
Source: apartment association annual reports (e-Business Register). €/m² = amount ÷ floor area of the flats in the Building Register (2 274 m²) ÷ 12. Comparison: median of apartment associations in Siili subdistrict, same year.
Land & Spatial Board In-ADS address object (ADS-OID: EE00633997) · Postal code: 13422
21 buildings on the street · street median €2 654/m² (n=21) · real-time filterable comparison.
| Address | Year Built | Estiq €/m² | Typical Unit | Energy Class | |
|---|---|---|---|---|---|
| Siili tn 3 | 1985 | €2 697 | ~€159 500 | E | View → |
| Siili tn 6 | 1971 | €2 535 | ~€115 805 | C | View → |
| Siili tn 7a | 1985 | €2 721 | ~€161 146 | B | View → |
| Siili tn 7b | 1988 | €2 696 | ~€143 862 | A | View → |
| Siili tn 7c | 1983 | €2 721 | ~€192 676 | A | View → |
| Siili tn 8 | 1971 | €2 637 | ~€120 437 | D | View → |
| Siili tn 10 | 1971 | €3 779 | ~€171 825 | C | View → |
| Siili tn 11 | 1982 | €2 721 | ~€158 268 | C | View → |
| Siili tn 27 This building | 1988 | €2 654 | ~€187 198 | C | Active |
Direct data linkages, authoritative registries, and update timestamps.
| Data Dimension | Official Source | Governing Authority | Data as of | Status |
|---|---|---|---|---|
| Building Specs | EHR · 101011410 | Maa- ja Ruumiamet | 12.10.2026 (EHR record 25.09.2026) | Confirmed |
| Cadastral Unit & Land Zoning | Land & Spatial Board · 78405:504:0120 ↗ | Land & Spatial Board | 18.10.2026 | Confirmed |
| Notarized Sales Transactions | Land Board Transactions Database | Land & Spatial Board | 09.2026 | Synchronized |
| Demographics & Census Data | Population Register & RL21 | Statistics Estonia | annual (2021 census) | Official |
| Safety & Environmental Monitoring | Noise Maps, Air Quality & Police | Police Board / Environment Agency | model estimate | Statistical |
| Market Rent & Gross Yield | Estiq rental database · 3 listings within 500 m · yield 3,7–4,7% | Estiq Rental Intelligence | 10.2026 · n=3 | Market Data |
| Valuation Methodology | Estiq AVM | Comparable sales approach (not EVS 875 certified appraisal) | 2026 model weights | Statistical |
The energy performance certificate reflects the heating efficiency and energy consumption intensity of the building.
| C · this building | Energy Efficient | Good standard efficiency |
Structured answers compiled for buyers, sellers, search engines, and AI systems.
Siili tn 27 is a 9-story apartment building constructed in 1988, located in Mustamäe linnaosa, comprising 36 apartments. The EHR registry code is 101011410 and cadastral ID is 78405:504:0120. Estiq reports energy class C.
The Estiq AVM model estimate is 2 654 €/m². The valuation range spans 2 500–2 808 €/m². The calculated fair value of a typical 4-room apartment is approximately €187 198.
Based on the 2 654 €/m² benchmark, a 40 sqm apartment is indicatively valued at €106 160 and a 50 sqm apartment at €132 700. Actual value depends on interior condition, floor, parking, and storage.
1-room: €105 581–€118 583; 3-room: €154 859–€173 928; 4-room: €176 341–€198 056.
The model-based indicative asking price is approximately €2 631/m² (for the typical 4-room unit, about €196 558), allowing a 3–5% negotiation buffer.
A 4-room apartment in good condition has an estimated market rent of €580–€710 per month, generating an estimated gross yield of 3,7–4,7%.
Buying means a loan payment of about €774 a month, renting €580–€710 — the loan payment is 20% above the rent. That is 36% (loan) and 30% (rent) of the median gross wage (Tallinn, €2,126, Q2 2026, Statistics Estonia). Assumes the typical 4-room flat (74.7 m²) at €187,198 (Estiq estimate), an 80% loan over 25 years at 3.8% and a €37,440 down payment; rent from nearby offers; association and state fees excluded.
Police open data list 160 recorded incidents in the surrounding ~0.7 km² cell over 24 months (incident level: high). Air: of the last 12 months' hourly readings, 41% were in the two best classes and 21% in the two worst (level: high). Estimated road noise at the building is 60 dB (Lden). Radon in soil gas: low (10–30 kBq/m³). These describe the area, not a specific apartment.
According to the apartment association's 2025 annual report, owners paid on average €2.67/m² per month in total including utilities; a typical flat paid €181 per month. Association fees excluding utilities were €0.49/m² per month, of which €0.05/m² to the repair fund. The association had €58 796 of loans outstanding. For comparison, the median of 25 associations in Siili subdistrict was €2.89/m² per month. From 2021 to 2025 association fees changed by −19% in total; the repair fund went from €14 833 (2021) to €14 031 (2023). See the association figures.
No. For a mortgage the bank needs a certified valuer's report under EVS 875 — order a valuation.
Median error is 9.5% in Tallinn and 12.1% elsewhere in Estonia; 83% of Tallinn estimates fall within ±20% (blind test, May–September 2026). Atypical properties have larger errors — see the methodology.
Sale prices — notarised apartment sales, Maa- ja Ruumiamet; estimates — the Estiq AVM model; rents — Estiq market database (24 months); wages — Statistics Estonia (PA117); building data — building register (EHR); association costs — housing associations' annual reports; noise and air — national noise maps and air monitoring. Figures refresh with every data load and each states its period and sample — see the methodology.
Building data reconciled against the EHR and Land Board (Maa-amet) registries. AVM methodology by Martin Koppel, Estiq real estate valuation advisor (methodology aligned with the EVS 875 standard). This is an automated model estimate, not an EVS 875 appraisal report. Updated 18.10.2026.
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