Kastani tn 91 (Tartu, Tartu linn) is a 1977 2-story residential building, 5 apartments (EHR 104039798). Estiq AVM model benchmark is 2 273 €/m² (range 1 971–2 575 €/m²) as of Oct 17, 2026.
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Kastani tn 91 is a 2-storey residential building built in 1977, with 5 apartments, energy class E. The Estiq AVM benchmark is €2 273/m², 12.3% below the Tartu linn median (notarised apartment transaction median €2 593/m², 2026 Q3, n=570).
Kastani tn 91 is a 2-storey residential building completed in 1977 in Tartu linn, with 5 apartments. Load-bearing structure: Timber Frame (EHR register). The most common unit type is 1-room apartments (3 of them). Energy class E (per energy certificate).
The Estiq AVM baseline for apartments in this building is 2 273 €/m², approximately 12.3% below the Tartu linn median (notarised apartment transaction median €2 593/m², 2026 Q3, n=570). The typical unit (1-room, 27,9 m²) comes to about €66 597.
First-time home buyers, 1–2 person households, and rental investors.
Energy class E, open surface parking, and 1977 construction vintage.
Market rent for typical 1-room apartment (30 listings within 500 m).
📊 Market data · 30 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 | 3 | 23.2 – 30.6 m² | €2 387 | €56 291–€73 562 |
| 3-room | 1 | 72.8 m² | €2 182 | €137 723–€179 977 |
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The Estiq Building Score™ is Estiq's own analytical composite indicator (not an official rating or guarantee of condition, safety, or investment performance); component weights are shown below. Methodology
Pauluse stop 138 m / 2 min; fast connection to city centre.
Weight 20%Tartu Mart Reiniku Kool 240 m; kindergarten 332 m.
Weight 15%28% of hours good, 39% poor (12-month mean, level: high), noise level 60 dB (noisy), modelled (Lden), nearest park Vanemuise park 375 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=219): high incident level; last 12 months vs previous 12: -32.7%.
Weight 10%Built in 1977; structure Timber Frame.
Weight 15%EHR energy certificate E (issued 30.04.2010, expired); heating type District Heating.
Weight 10%Vanemuise park 375 m; supermarket 270 m.
Weight 10%Land Board transaction volume in this micro-location (646 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 219 recorded incidents in the surrounding ~0.7 km² cell over 24 months (data to 14.10.2026). Last 12 months vs the 12 before: -33%.
Counts incidents reported to the police, not how safe it feels.
Of 3 234 hourly readings in the last 12 months (07.12.2025–25.10.2026, this building’s cell (~0.1 km²)): 28% in the two best classes, 33% in the middle one and 39% 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. No measurement in this cell; the level is interpolated from the nearest ones. 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 · Tartu linn · 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 |
|---|---|---|---|---|---|
| District: Tartu linn2026 Q3 | €2 593 | −12.3% | +8.0% | 1 819 (−4.3%) | Steady |
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 19 key infrastructure facilities · Coordinates 58.371445, 26.714045 · Cadastre 79506:007:0024.
Official open data from Statistics Estonia REL2021 census and Building Register EHR.
Peak construction era: 1971–1980.
Values read from EHR and the Land Board cadastre; fields the registers do not hold are not shown.
| Year Built | 1977 |
| Total Apartments | 5 |
| Floors | 2 |
| Energy Class | E |
| Land Ownership | Private ownership · apartment ownership |
| Plot Size | 1 482 m² |
| Heating System | District Heating |
| Load-bearing Structure | Timber Frame |
| Elevators | 0 |
| 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 104039798 · record updated 27.05.2026.
Timber Frame · lifts per EHR: 0.
EHR Portal (code: 104039798) →79506:007:0024 · plot area 1 482 m².
Land use: 100% Elamumaa.
Cadastral Map (79506:007:0024) ↗
The building is managed by apartment association Tartu linn, Kastani tn 87 // 89 // 91 korteriühistu (registry code 80232397). Figures are from the association's 2025 annual report (e-Business Register).
Association of 13 flats. Sharp rise in association fees: +319% (2025); small reserve capital.
Source: apartment association annual reports (e-Business Register). €/m² = amount ÷ floor area of the flats in the Building Register (713 m²) ÷ 12. Comparison: median of apartment associations in Vaksali linnaosa, Vaksali subdistrict, same year.
Land & Spatial Board In-ADS address object (ADS-OID: EE01940548) · Postal code: 50410
48 buildings on the street · street median €2 302/m² (n=48) · real-time filterable comparison.
| Address | Year Built | Estiq €/m² | Typical Unit | Energy Class | |
|---|---|---|---|---|---|
| Kastani tn 5 | 1909 | €2 834 | ~€124 304 | E ~ | View → |
| Kastani tn 8 | 2001 | €3 033 | ~€196 560 | C ~ | View → |
| Kastani tn 9 | 1915 | €3 125 | ~€153 750 | E | View → |
| Kastani tn 10 | 1977 | €2 275 | ~€111 930 | E ~ | View → |
| Kastani tn 11 | 1947 | €2 979 | ~€146 567 | E | View → |
| Kastani tn 12 | 1977 | €2 847 | ~€140 072 | E ~ | View → |
| Kastani tn 15 | 1995 | €2 167 | ~€106 616 | F | View → |
| Kastani tn 17 | 1947 | €3 028 | ~€148 978 | F | View → |
| Kastani tn 91 This building | 1977 | €2 273 | ~€66 597 | E | Active |
Direct data linkages, authoritative registries, and update timestamps.
| Data Dimension | Official Source | Governing Authority | Data as of | Status |
|---|---|---|---|---|
| Building Specs | EHR · 104039798 | Maa- ja Ruumiamet | 12.10.2026 (EHR record 27.05.2026) | Confirmed |
| Cadastral Unit & Land Zoning | Land & Spatial Board · 79506:007:0024 ↗ | Land & Spatial Board | 17.10.2026 | 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 · 30 listings within 500 m · yield 8,4–9,4% | Estiq Rental Intelligence | 10.2026 · n=30 | 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.
| E · this building | Higher Energy Demand | Noticeable heat loss; typical of older housing stock |
Structured answers compiled for buyers, sellers, search engines, and AI systems.
Kastani tn 91 is a 2-story apartment building constructed in 1977, located in Tartu linn, comprising 5 apartments. The EHR registry code is 104039798 and cadastral ID is 79506:007:0024. Estiq reports energy class E.
The Estiq AVM model estimate is 2 273 €/m². The valuation range spans 1 971–2 575 €/m². The calculated fair value of a typical 1-room apartment is approximately €66 597.
Based on the 2 273 €/m² benchmark, a 40 sqm apartment is indicatively valued at €90 920 and a 50 sqm apartment at €113 650. Actual value depends on interior condition, floor, parking, and storage.
1-room: €56 291–€73 562; 3-room: €137 723–€179 977.
The model-based indicative asking price is approximately €2 506/m² (for the typical 1-room unit, about €69 927), allowing a 3–5% negotiation buffer.
A 1-room apartment in good condition has an estimated market rent of €450–€540 per month, generating an estimated gross yield of 8,4–9,4%.
Buying means a loan payment of about €275 a month, renting €450–€540 — the loan payment is 44% below the rent. That is 14% (loan) and 25% (rent) of the median gross wage (Tartu linn, €2,014, Q2 2026, Statistics Estonia). Assumes the typical 1-room flat (27.9 m²) at €66,597 (Estiq estimate), an 80% loan over 25 years at 3.8% and a €13,319 down payment; rent from nearby offers; association and state fees excluded.
Police open data list 219 recorded incidents in the surrounding ~0.7 km² cell over 24 months (incident level: high). Air: of the last 12 months' hourly readings, 28% were in the two best classes and 39% in the two worst (level: high). Estimated road noise at the building is 60 dB (Lden). Radon in soil gas: normal (30–50 kBq/m³). These describe the area, not a specific apartment.
According to the apartment association's 2025 annual report, a typical flat paid €161 per month in total, including utilities. Association fees excluding utilities were €0.69/m² per month, of which €0.47/m² to the repair fund. The association had no loans. From 2021 to 2025 association fees changed by +319% in total. 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 17.10.2026.
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