Property in Castelnau-sur-Gupie, the published sales
Castelnau-sur-Gupie is a municipality of the Lot-et-Garonne département (47), in the Nouvelle-Aquitaine region.
The sales published by the French tax administration (DVF) record 30 housing sales there between 1 January 2023 and 31 December 2025. Enough to read each sale and to observe a median over the sales shown, not enough for the twelve-month index of the full pages, which needs 25 sales over twelve months.
The table lists the 17 most recent sales, newest first, with the dwelling's surface and the price per square metre when the surface is known. The street is given without the number.
The town
Castelnau-sur-Gupie covers 15.2 km², lies between 28 and 129 m above sea level and had 917 inhabitants in the 2023 census.
Castelnau-sur-Gupie est une commune du Sud-Ouest de la France, située dans le nord-ouest du département de Lot-et-Garonne, en région Nouvelle-Aquitaine.
The full property page of the town
From Wikidata and the Wikipedia article « Castelnau-sur-Gupie », licensed CC BY-SA 4.0, read on 30 October 2026. Read the article
The published sales in Castelnau-sur-Gupie
| Date | Type | Surface | Rooms | Price | Price per sq m | Street |
|---|---|---|---|---|---|---|
| 7 November 2025 | House | 110 sq m | 5 | €10,000 | €91 per sq m | RUE DE LA VALLEE |
| 6 October 2025 | House | 87 sq m | 3 | €160,000 | €1,839 per sq m | RTE DE MONSEGUR |
| 10 July 2025 | House | 99 sq m | 4 | €290,000 | €2,929 per sq m | RTE DU MOULIN A VENT |
| 23 June 2025 | House | 172 sq m | 5 | €430,344 | €2,502 per sq m | RTE DU FRENE |
| 12 March 2025 | House | 142 sq m | 4 | €88,000 | €620 per sq m | RTE DE DURAS |
| 10 February 2025 | House | 86 sq m | 4 | €91,000 | €1,058 per sq m | RTE DU FAUBOURG |
| 4 July 2024 | House | 90 sq m | 5 | €152,289 | €1,692 per sq m | RUE DE LA VALLEE |
| 15 January 2024 | House | 75 sq m | 4 | €95,000 | €1,267 per sq m | RTE DES FAURES |
| 28 November 2023 | House | 125 sq m | 4 | €138,000 | €1,104 per sq m | RTE DU CAP DE L HOMME |
| 18 November 2023 | House | 98 sq m | 4 | €176,750 | €1,804 per sq m | IMP DE VEILLON |
| 25 October 2023 | House | 112 sq m | 4 | €155,000 | €1,384 per sq m | RTE DE LAGUPIE |
| 10 August 2023 | House | 106 sq m | 3 | €89,000 | €840 per sq m | RUE DES ECOLES |
| 26 July 2023 | House | 126 sq m | 4 | €260,000 | €2,063 per sq m | RTE DE TAILLECAVAT |
| 26 May 2023 | House | 133 sq m | 5 | €309,950 | €2,330 per sq m | RTE DE TOUILLAC |
| 19 April 2023 | House | 60 sq m | 4 | €85,000 | €1,417 per sq m | RTE DE DURAS |
| 14 March 2023 | House | 98 sq m | 3 | €135,000 | €1,378 per sq m | RTE DU MOULIN A VENT |
| 7 March 2023 | House | 60 sq m | 2 | €20,000 | €333 per sq m | RTE DE CAVENAC |
What these sales show
Over the 17 published sales of houses above, the median price is €1,384 per square metre, half of the sales falling between €1,058 and €1,839.
The 17 published sales of houses range from €91 to €2,929 per square metre, for surfaces of 60 to 172 sq m.
Property prices in the nearby towns tracked by Briveo
Selling in Castelnau-sur-Gupie?
Briveo values your property on the sales of the area, publishes the listing and shows it, with an electronic mandate and fees due at the deed.
Are you an estate agent in Castelnau-sur-Gupie?
Briveo recruits independent sales agents in every municipality, in transactions only, under the principal's professional licence, with the pay and the monthly cost stated before signing. The sales published above are the market you know.
Start with BriveoFrequently asked questions
- What is a square metre worth in Castelnau-sur-Gupie?
- Over the 17 published sales of houses above, the median is €1,384 per square metre. The municipality counts fewer than 25 housing sales over twelve months, so Briveo does not turn it into a market index and shows the sales themselves, with the nearby towns above the threshold.
- How do I value a property in Castelnau-sur-Gupie?
- By reading the published sales of the municipality and of the nearby towns, at comparable surface and type, then asking Briveo for a valuation, which reads the sales of the area and visits the property.
- How much is a house worth in Castelnau-sur-Gupie?
- Over the 17 published sales of houses above, the median is €1,384 per square metre, half of them between €1,058 and €1,839. A given property sits above or below, by its surface, its condition and its plot, and that is what the valuation settles.
- How do I sell a property in Castelnau-sur-Gupie with Briveo?
- Briveo values the property on the sales of the area, publishes the listing and shows the property, under an electronic mandate signed online. The fees are due at the deed.
- Where do these sales come from?
- From the Demandes de valeurs foncières file of the French tax administration, published as open data, one line per sale, covering 1 January 2023 to 31 December 2025. Sales without a known built surface have no price per square metre.
Source and method
Sales published by the French tax administration (DVF), one line per transaction, dwellings only, one dwelling per sale, block sales set aside, price per square metre computed on the built surface of the transaction. Coverage from 1 January 2023 to 31 December 2025.