長野原町
Data last updated: November 2026 (Land Price Publication 2026, Prefectural Survey 2026, transactions through Q2 2026)
Tap anywhere on the map to get an estimate for that spot. Map: GSI Tiles.
| Avg. residential land price | Now | 1 year | 3 years | 5 years | 10 years |
|---|---|---|---|---|---|
| Forecast Forecast −1.3% a year | ¥7,050/m² | ¥6,960/m² | ¥6,784/m² | ¥6,612/m² | ¥6,202/m² |
Forecasts are projections, not guarantees. 10-year range: ¥5,086/m²–¥7,318/m²
| Item | Assessed value | Market estimate | Area | Per m² (market estimate) |
|---|---|---|---|---|
| Residential land | ¥9.7 billion | ¥13.9 billion | 4.3 km² | ¥3,194/m² |
| Other land farmland, forest, other | ¥5.1 billion | ¥5.1 billion | 53.0 km² | — |
| Buildings wooden ¥9.3 billion · non-wooden ¥11.4 billion | ¥20.7 billion | ¥20.7 billion | 90.4 ha floor | — |
| Total | ¥35.5 billion | ¥39.6 billion |
Market estimate: residential land is assessed at about 70% of official land prices, so its assessed value is divided by 0.7; other land and buildings are shown at assessed value. Tax-exempt land and buildings (roads, parks, etc.) are not included. Source: Ministry of Internal Affairs and Communications, survey of fixed-asset values (FY2025, by municipality), compiled by Fudosan Zukan.
| Area | Avg. residential | Avg. commercial | 1 year | 5 years | Condos per m² | Sales |
|---|---|---|---|---|---|---|
| Oaza Naganohara 長野原 |
¥12K/m² | — | −2.5% | −11.5% | — | 1 |
| Oaza Haneo 羽根尾 |
¥11K/m² | — | −1.8% | −8.5% | — | 1 |
| Oaza Okuwa 応桑 |
¥3,930/m² | — | −1.8% | −8.6% | — | 14 |
| Oaza Kitakaruizawa 北軽井沢 |
¥2,070/m² | — | −0.5% | — | ¥95K/m² | 48 |
| Oaza Otsu 大津 |
— | ¥15K/m² | −1.3% | −7.5% | — | 3 |
| Oaza Hayashi 林 |
— | — | — | — | — | 2 |
| Location | Use | Price per m² | ≈ USD/sq ft | 1 year | Station |
|---|---|---|---|---|---|
| 群馬県 吾妻郡長野原町大字大津字馬込７２番３ Land Price Publication 2026 |
Commercial | ¥15K/m² | $9/sq ft | −1.3% | 群馬大津 1.3 km |
| 群馬県 吾妻郡長野原町大字長野原字遠西５２番３ Prefectural Survey 2026 |
Residential | ¥12K/m² | $7/sq ft | −2.5% | 一般住宅等が建ち並ぶ傾斜地の住宅地域 |
| 群馬県 吾妻郡長野原町大字羽根尾字小滝３９４番２ Land Price Publication 2026 |
Residential | ¥11K/m² | $6/sq ft | −1.8% | 羽根尾 80 m |
| 群馬県 吾妻郡長野原町大字応桑字田通原１５４３番１８ Prefectural Survey 2026 |
Residential | ¥3,930/m² | $2/sq ft | −1.8% | 中規模の農家住宅、畑が混在する住宅地域 |
| 群馬県 吾妻郡長野原町大字北軽井沢字新鎌１９８７番４５７ Land Price Publication 2026 |
Residential | ¥2,070/m² | $1/sq ft | −0.5% | 羽根尾 12.0 km |
Sales in the loaded period: Land & building 47 · Land 47 · Farmland 31 · Pre-owned condo 19 · Forest 9
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Oaza Kitakaruizawa | Q2 2026 | Land | ¥700K | 690 m² | — | ¥1,000/m² |
| Oaza Kitakaruizawa | Q2 2026 | Land & building | ¥1.0M | 300 m² | 1997 | — |
| Oaza Haneo | Q2 2026 | Land | ¥2.0M | 710 m² | — | ¥2,800/m² |
| Oaza Kitakaruizawa | Q1 2026 | Forest | ¥6.3M | 8,888 m² | — | — |
| Oaza Kitakaruizawa | Q1 2026 | Land & building | ¥10K | 720 m² | — | — |
| Oaza Kitakaruizawa | Q1 2026 | Land | ¥5.0M | 1,500 m² | — | ¥3,400/m² |
| Oaza Okuwa | Q1 2026 | Farmland | ¥550K | 910 m² | — | — |
| Oaza Hayashi | Q1 2026 | Farmland | ¥250K | 360 m² | — | — |
| Oaza Kitakaruizawa | Q4 2025 | Pre-owned condo (contract) | ¥3.7M | 35 m² | 1990 | ¥106K/m² |
| Oaza Kitakaruizawa | Q4 2025 | Pre-owned condo (contract) | ¥6.7M | 60 m² | 1990 | ¥112K/m² |
| Oaza Kitakaruizawa | Q4 2025 | Pre-owned condo (contract) | ¥4.8M | 55 m² | 1993 | ¥87K/m² |
| Oaza Kitakaruizawa | Q4 2025 | Farmland | ¥6.4M | 8,888 m² | — | — |
| Oaza Kitakaruizawa | Q4 2025 | Farmland | ¥2.8M | 4,700 m² | — | — |
| Oaza Kitakaruizawa | Q4 2025 | Farmland | ¥5.6M | 8,888 m² | — | — |
| Oaza Kitakaruizawa | Q4 2025 | Farmland | ¥3.1M | 3,300 m² | — | — |
| Oaza Kitakaruizawa | Q4 2025 | Land | ¥10K | 830 m² | — | ¥12/m² |
| Oaza Kitakaruizawa | Q4 2025 | Land & building | ¥13.0M | 720 m² | 1999 | — |
| Oaza Kitakaruizawa | Q4 2025 | Land | ¥2.2M | 530 m² | — | ¥4,200/m² |
| Oaza Kitakaruizawa | Q4 2025 | Land & building | ¥12.0M | 1,600 m² | 2004 | — |
| Oaza Kitakaruizawa | Q4 2025 | Land & building | ¥3.5M | 340 m² | 2001 | — |
Population, income, rent, yield, transport and disaster risk will be added once sourced data is available. Methodology
The average price of residential land in Naganohara Town is ¥7,050 per m² (about ¥23,306 per tsubo), based on 4 sites in the official land price surveys (2026).
Land prices in Naganohara Town have fallen by -1.6% on average over the past year. Over five years the change is -8.4%.
The median price of pre-owned condo transactions in the last two years is ¥94,545 per m², with a median price of ¥4.8 million (9 transactions, MLIT Real Estate Information Library).
The Fudosan Zukan model projects residential land prices to change by -1.3% a year, reaching about ¥6,202 per m² in 10 years (range ¥5,086–¥7,318). Forecasts are projections, not guarantees.
About ¥39.6 billion: land ¥19.0 billion and buildings ¥20.7 billion (estimated from assessed values for fixed-asset tax, FY2025; assessed total ¥35.5 billion).
Land prices are official survey prices (Land Price Publication as of January 1, Prefectural Land Price Survey as of July 1); transactions are MLIT transaction and contract prices. Averages, changes, forecasts and the index are calculated by Fudosan Zukan. All prices in Japanese yen; dollar figures (≈) at ¥157.9 = $1 are for reference. Estimated prices and forecasts on this site are for reference only and do not guarantee actual sale prices or appraisal values. The estimate is not a licensed real estate appraisal; it is an "AI-estimated price" calculated from public land price and transaction statistics. Forecasts are projections, not guarantees.