Quick ways in Under £500k£500k–£1M£1M+ 2+ beds3+ beds4+ beds Open marketLocal market

Cote D'azure, La Grand Route De Rozel, St. Martin, St Martin

Cote D'azure, La Grand Route De Rozel, St. Martin

Description

Welcome to Cote D’Azure, 5,400 sq ft of luxury living 5 Bedrooms | 6 Bathrooms BOPAS Certified – 60 yr guarantee & A-Rated EPC Infinity Pool & Jacuzzi Private Bar & Cinema Snug Separate Guest Lodge 3-Car Garage + Parking for 10 Solar Power & Air Source Heating/ Exchange Grenton Smart Control System Internal Lift Map Location Located on the pristine shores of Jersey in the Channel Islands, Cote D’Azure represents the very pinnacle of modern coastal living, with expansive panoramic sea views to deliver a home unlike any other.. This extraordinary 5,400sqft residence, set within two acres of mature landscaped grounds, combines architectural elegance with refined comfort, intelligent design and sustainability at the core of its design. Cote d’Azure has been built using a fully integrated eco-frame construction system, engineered from the outset to Passivhaus-level performance standards. Of particular note and unlike conventional ‘eco-friendly’ developments that rely on add-on technologies, this is a fabric-first approach where the structure, insulation, air-tightness, ventilation and solar control all operate as a single environmental system. The result is exceptionally low energy demand, stable internal temperatures, controlled radiation exposure and superior air quality — delivering long-term sustainability, comfort and an excellent living environment all by design, not by marketing. From its eco-conscious engineering to its world-class amenities, every element reflects a lifestyle of privacy and effortless luxury. Solar Integration , EV charging, Grenton Smart System – Controls lighting, heating, cooling, and security from anywhere via smartphone or touchpad. Air Source Heat Pump & Air Exchange System – Experience year-round comfort and exceptional efficiency. BOPAS Cert…

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This property's own sale history, 2022–2024

2 recorded sales of this address in the Places.je transaction register — matched by house name/street and parish, not a unique property ID, so treat this as a strong likely match rather than a certainty.

Sale datePriceAt 2024 prices
2024-04-19£1,450,000
2022-09-30£1,650,000£1,374,226 -17%

The "2024 prices" column carries each past price forward at the island-wide repeat-sales index — the same money at today's market level, not a valuation of this specific property. It takes no account of the condition the property was in at each sale, or any work done to it since.

Not marked as sole agency on the original listing, so this property may also be marketed by other agents not captured in this data.

Nearby

Nearest match in each category, from a fixed list of Jersey amenities — not every pub, café or shop on the island, so treat this as a useful sample, not a complete picture. Distances are straight-line ("as the crow flies"), multiplied by 1.3 to approximate real road-network distance — this is an estimate, not turn-by-turn routing, and actual walking/driving routes may differ. Times assume constant average speeds appropriate to Jersey's roads and 40mph limits: walking 4.5 km/h, cycling 14 km/h, driving 30 km/h — not open-road speeds, and they don't account for traffic, parking or terrain.

Price per square metre

£9,250,000 over 465 m² is £19,892 per m². Compared with other properties currently for sale that publish a floor area — the percentage is this property against that group's midpoint:

This property£19,892/m²
All Jersey (484)£7,438/m² +167%
St Martin (21)£8,500/m² +134%
5-bed+ properties (92)£7,659/m² +160%
Houses (259)£7,312/m² +172%
Local Market (466)£7,448/m² +167%

Floor area is parsed from the agent's own listing text (a stated size, or a figure mentioned in the description) — jersey's data carries no dedicated floor-area field, so coverage is partial. Comparisons are drawn from asking prices of properties currently for sale that publish a floor area, not achieved sale prices — the Places.je register records no floor areas at all, so a sold £/m² cannot be calculated from it. Sample sizes are shown in brackets; small groups move a lot. This is context for a conversation with an agent, not a valuation.

What would this cost to buy?

A live estimate, not a quote — change any figure below and everything recalculates immediately. Stamp duty / Land Transaction Tax uses Jersey's own standard-residence bands (see buying property in Jersey for the full table and how share-transfer property differs); the mortgage side is a standard capital-and-interest repayment calculation, not an offer from any lender.

Getting connected

Jersey has two residential broadband providers: JT — the island's own former state telecom, now Jersey's full-fibre network builder — and Sure, which completed absorbing Airtel-Vodafone's Channel Islands customer base in September 2025 (Airtel-Vodafone no longer trades as a separate operator here). Jersey's copper phone network is largely already history: JT finished building an island-wide fibre-to-the-home network back in July 2018 and has been retiring copper ever since — well ahead of Guernsey, where the equivalent copper switch-off was still under way through 2026. Always confirm actual coverage and switch-over status at this specific address directly with JT or Sure before assuming.

What would improving it be worth?

Modelled for this property in St Martin, 465 m² of known floor area. Adjust build quality or size for this property

Value added is the extra floor area priced at £8,500/m² — the midpoint asking price per m² among 21 St Martin properties currently for sale that publish a floor area. Cost uses £4,000–£6,000/m² new build and £2,000–£4,000/m² refurbishment, depending on quality. Net is against the mid rate. The last column is how often Jersey actually approves that kind of application.

The build-cost figures below are Guernsey's, not Jersey's

Unlike the value side of this table (priced from Jersey's own current asking prices), the £4k–6k new-build / £2k–4k refurbishment rates are carried across from guernseyproperties.gg, where they were supplied by that site's owner from local Guernsey experience — they have not been independently verified for Jersey, and construction costs plausibly differ between the islands. Treat the Cost and Net columns as an unverified placeholder until a Jersey-specific quantity surveyor's rate replaces them.

ImprovementValue it might addLikely costNetApproved
Add a bedroom (single-storey extension)
A modest double plus circulation, built new. ~14 m²
£119,000 £70,000
14 m² · mid spec new build
range £56,000–£84,000
+£49,000 86% (569)
Loft conversion with a bedroom
Works inside an existing roof, so it prices as refurbishment rather than new build — which is why it usually wins. ~20 m²
£170,000 £60,000
20 m² · mid spec refurb
range £40,000–£80,000
+£110,000 86% (84)
Two-storey extension
Roughly 14 m² on each of two floors. ~28 m²
£238,000 £140,000
28 m² · mid spec new build
range £112,000–£168,000
+£98,000 83% (193)
Garage, annexe or outbuilding
Detached space is worth less per m² than main-house floor area. ~18 m²
£91,800 £90,000
18 m² · mid spec new build
range £72,000–£108,000
+£1,800 82% (216)
Read this as an order of magnitude, not a promise

Two things it cannot see. First, it prices floor area at the local average rate — it doesn't know your plot, your roof, your outlook, or whether an extension is physically possible; nor whether your street has a ceiling price that no amount of extending beats. Second, the rate comes from asking prices of other properties currently for sale that state a floor area — a minority of Jersey's live stock, so treat the sample sizes shown as real limits, not decoration.

The obvious alternative method is worse, which is why it isn't used here: comparing a typical 3-bed with a typical 4-bed suggests a bedroom is worth far more than it actually is — a bigger bed-count usually means a bigger house on a bigger plot, so that figure measures the mix of what's for sale, not the value of adding a room.

Before spending anything, get a builder's quote and talk to an architect — the type-of-work approval rates show how often that kind of application actually succeeds.

Sale history

Sale datePriceAt 2024 pricesAddress on register
2024-04-19£1,450,000Cote d'Azure, Le Mont de Rozel, St. Martin
2022-09-30£1,650,000£1,374,226 -17%Cote d'Azure, Le Vallee de Rozel, St. Martin

Matched by house name/street and parish against the Places.je property transaction register — not a unique-ID lookup, so a shared house name could span more than one property. The "2024 prices" column carries each price forward at the island-wide repeat-sales index — it is what that sum of money would be at today's market level, not a valuation of this property, and it takes no account of the condition it was in then or any work done since.

Planning history

ApplicationDescriptionStatus
RP/2025/0382REVISED PLANS to P/2024/0674 (Construct extensions on West and North elevation. Form terrace areas at first floor level, construct Infinity …Refused
Full record
P/2024/0674Construct extensions on West and North elevation. Form terrace areas at first floor level, construct Infinity Pool to East of site. Alterati…Approved
Full record

Matched by house name/street and parish against Jersey planning applications decided in the last 3 years — coverage is partial and not a unique-ID lookup.

Estimated cost of live planning permissions

Jersey planning permissions lapse after a set period if unbuilt; these applications fall inside the last 3 years and were not refused, so they are presumptively still capable of being implemented.

How this is calculated

The work type shown is inferred automatically from the wording of the planning application's own description — it isn't stated by the applicant. The base cost range comes from published UK national renovation/build-cost guides for that type of project, and a ~25% uplift has been added to reflect higher shipping/import and skilled-labour costs in the Channel Islands — this is an estimate, not a published index. These figures are indicative only, not a quote: actual cost depends on specification, finish, ground conditions and the contractor. For anything serious, get a quote from a local quantity surveyor or builder.

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