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

L'Abri

L'Abri

Description

No description supplied — see the source listing.

Ref RCP260040
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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 Guernsey 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 Guernsey's roads and 25/35mph 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.

What would improving it be worth?

Value added is the extra floor area priced at £7,396/m² — the midpoint asking price per m² among 13 St Martin properties currently for sale that publish a floor area. Cost uses real Guernsey build rates: £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 Guernsey actually grants that kind of application.

ImprovementValue it might addLikely costNetGranted
Add a bedroom (single-storey extension)
A modest double plus circulation, built new. ~14 m²
£103,550 £70,000
14 m² · mid spec new build
range £56,000–£84,000
+£33,550 97% (1,510)
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
£147,929 £60,000
20 m² · mid spec refurb
range £40,000–£80,000
+£87,929 97% (148)
Two-storey extension
Roughly 14 m² on each of two floors. ~28 m²
£207,101 £140,000
28 m² · mid spec new build
range £112,000–£168,000
+£67,101 93% (86)
Garage, annexe or outbuilding
Detached space is worth less per m² than main-house floor area. ~18 m²
£79,882 £90,000
18 m² · mid spec new build
range £72,000–£108,000
−£10,118 90% (738)
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, because Guernsey's sold register records no floor areas at all — so it reflects what sellers ask, not what buyers paid.

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 around £430,000 island-wide. It isn't — a 4-bed is generally 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 — who is actually filing applications shows which firms are active and how often their applications succeed.

Building work on this property

Architects with planning applications on file in the same parish as this property — not a claim any of them worked on this specific property, just a proximity signal:

Same estimate model this site uses on its planning pages (Channel Islands-adjusted UK cost ranges) — a rough starting point, not a quote. Always get quotes from a Guernsey builder before budgeting.

See also all Guernsey property professionals — architects, surveyors, mortgage brokers and trades.

Sale history

Sale datePriceAt 2026 pricesAddress on register
2024-07-30£691,275£708,756 +3%L'ABRI CALAIS LANE ST MARTINS GY4 6AP
2022-02-03£555,750£568,638 +2%L'ABRI LES QUATRE VENTS ESTATE ST MARTINS was GRANADA
2020-01-28£1,121,250£1,419,298 +27%L'ABRI ROUTE DES MERRIENNES ST MARTINS
2013-01-31£398,500£550,105 +38%L'ABRI LES MOUILPIEDS ST MARTINS
2001-06-07£250,000£701,065 +180%L'ABRI LES FRIETEAUX ST MARTINS

Matched by house name/street and parish against the States of Guernsey property register — not a unique-ID lookup, so a shared house name could span more than one property. The "2026 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
FULL/2022/1225Remove wall and hedge to create vehicle access.Granted
Full record
Decision notice (PDF)

Matched by house name/street and parish against Guernsey planning applications decided between 25 Aug 2021 and 2 Jul 2026 — coverage is partial and not a unique-ID lookup. No bare decision date is available in this data, so the application number (which embeds its year) is shown instead. Where a "Worked on by" name appears, it's a known architect or surveyor cross-referenced by the same application number — worth a call before commissioning a fresh survey.

Search full planning history for this address (live, back to 2009)

Estimated cost of live planning permissions

Guernsey planning permissions lapse 3 years after grant if unbuilt; these applications fall inside that window 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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