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Brian R Martel

No contact details on file

Sole-practitioner Chartered Architectural Technologist; Vandola, St Pierre du Bois GY7 9HT. Distinct individual/practice from Martel Design Ltd (Paul Martel) despite the shared surname — different addresses and no evidence of a shared entity. Not RICS-regulated. 22 applications as agent 2022-2025.

What they specialise in

Work types this firm files more often than the island does — "×3.9" means nearly four times the rate that type appears across all Guernsey applications. Ordered by the value of the work, not the ratio, so the jobs that actually pay come first: a rebuild at ×1.7 is worth far more than window replacement at ×2.5.

Work typeVs island rateJobsTypical jobEst. value of this work
Single-storey extension×1.68£100,000£800,000

"Est. value of this work" is the typical job cost for that type multiplied by how many they filed — a rough sense of where the practice's money sits, not their fees or their turnover. Needs at least 12 applications on file and 3 in the category before a ratio is shown, so a small practice can't look like a specialist on two lucky jobs. Classified from each application's own wording, so a minority will sit in a category a human would read differently.

The properties they work on

Of 22 applications this firm filed, 5 are tied to a later recorded sale of the same address, and 4 of those carry a real price. The midpoint is £1,044,911, each carried forward to 2026 money at the island index. Most of their filed work is in St Peter Port (6), St Sampson (6), St Peter's (4).

1 matched sale recorded at a nominal £1–£100 was excluded — those are family or trust transfers, not market prices. Matching is by address and parish against the States register, not a shared ID, so a shared house name can mismatch. It tells you the value bracket this firm operates in; it is not their fee and not a claim about any individual job.

Work-type mix

Classified from each application's own description text, most common first — the same keyword model this site's planning cost estimates use. Select a type to filter the applications below.

Typical cost of work

£33,352–£63,920 average, estimated per application from its own description text using this site's planning cost model — a rough guide only, not a quote from Brian R Martel or a reflection of what any specific job actually cost, and it does not include design fees. Each row below also carries an estimate at the prices of the year it was filed, deflated with the island house-price index — a proxy, since that index tracks house prices rather than construction costs and the two genuinely diverge (materials spiked in 2021–22 well beyond house-price growth). No Guernsey construction-cost index is published, so this is the best basis available, and it is an estimate on top of an estimate.

22 planning applications as agent — real cross-references

Success rate on decided applications: 100% granted (22 granted, 0 refused, of 22 decided — pending/withdrawn excluded)

ApplicationAddressDescriptionDecision
FULL/2023/1355The Cottage Baissieres Place Les Baissieres St. Andrew Guernsey GY1 2UGSub-divide, extend and alter to create 2 dwellings and associated works.
Est. £17,610–£46,960 at 2023 prices
GrantedFull record
Decision notice (PDF)
FULL/2023/2244Arosfa Les Gravees St. Peter Port Guernsey GY1 1RWDemolish extension, erect single storey extension to north-east (rear) elevation.
Est. £52,830–£88,050 at 2023 prices
Granted
Later sold 1996-07-02 · £300,000
Full record
Decision notice (PDF)
FULL/2023/2295Southside House Southside St. Sampson Guernsey GY2 4QHChange of use of section of building from storage and distribution (Use Class 22) to general retail (Use Class…
Est. £17,610–£46,960 at 2023 prices
GrantedFull record
Decision notice (PDF)
FULL/2023/2343L'Ecluse Rue Sauvage St. Sampson Guernsey GY2 4WHDemolish conservatory, erect single storey extension to rear elevation.
Est. £52,830–£88,050 at 2023 prices
GrantedFull record
Decision notice (PDF)
FULL/2023/2459Haut Regard Hougue St. Clair Route De St. Clair St. Sampson Guernsey GY2 4DTRe-roofing of dwelling house with slate (Protected Building).
Est. £14,088–£29,350 at 2023 prices
GrantedFull record
Decision notice (PDF)
FULL/2023/2462The Fort Complex Les Tracheries Road St. Sampson GuernseyDemolish and remove existing outbuilding and creation of additional parking to north-west of site.
Est. £29,350–£52,830 at 2023 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0113Gleneagles Jerbourg Road St. Martin Guernsey GY4 6AZErect single storey link extension to north-east (rear) elevation.
Est. £54,863–£91,438 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0248Ultima Les Tracheries Road St. Sampson Guernsey GY2 4SSDemolish and rebuild chimney to east elevation, remedial works to parapet and alterations to fenestration, (pa…
Est. £18,288–£48,767 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0249Lavender Avenue Du Manoir Ville Au Roi Estate St. Peter Port Guernsey GY1 1PEAlter roof form from flat roof to pitched roof.
Est. £14,630–£30,479 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0572Le Petit Dolphin Sausmarez Street St. Peter Port Guernsey GY1 2PUErect single storey extension to west elevation of garages (Protected Building).
Est. £54,863–£91,438 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0575Styx Centre Rue du Longfrie St. Pierre Du Bois Guernsey GY7 RZVariation of condition 4 of previously approved application FULL/2020/0737 to allow some excavation to take pl…
Est. £18,288–£48,767 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0577Les Menages Rue Des Menages St. Pierre Du Bois Guernsey GY7 9ARErect walls, earthbank, balustrade and hardstanding to south-east of property.
Est. £18,288–£48,767 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0786Seaton House Bosq Lane St. Peter Port GuernseyInstall garage door and create vehicular access to south (roadside) elevation.
Est. £30,479–£54,863 at 2024 prices
Granted
Later sold 2025-08-28 · £1
Full record
Decision notice (PDF)
FULL/2024/0792St Martin's Church La Bellieuse St. Martin Guernsey GY4 6RPInstall memorial bench to south of site (Protected Building).
Est. £18,288–£48,767 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/0991The Pines Rue De La Terre Norgiots St. Saviour Guernsey GY7 9JRAlterations to fenestration to south and west elevations.
Est. £18,288–£48,767 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2024/1428Andalucia Collings Road St. Peter Port Guernsey GY1 1TXDemolish porch, extend and alter to south (rear) elevation, erect single storey extension to north (front) ele…
Est. £54,863–£91,438 at 2024 prices
Granted
Later sold 2018-07-19 · £365,625
Full record
Decision notice (PDF)
FULL/2024/1444Marin Rue Des Tamaris La Rocquette Castel Guernsey GY5 7BAErect single storey extension/dower unit to north (side) elevation.
Est. £54,863–£91,438 at 2024 prices
GrantedFull record
Decision notice (PDF)
FULL/2025/0046Styx Centre Rue De Longfrie St. Pierre Du Bois Guernsey GY7 9RZInstall storage container to south-east of building.
Est. £18,898–£50,394 at 2025 prices
GrantedFull record
Decision notice (PDF)
FULL/2025/0145La Grande Maison Rue De La Grande Maison St. Pierre Du Bois Guernsey GY7 9ALDemolish existing outbuilding, erect 1.5 storey outbuilding to north-east of site.
Est. £31,496–£56,694 at 2025 prices
Granted
Later sold 1996-04-02 · £205,000
Full record
Decision notice (PDF)
FULL/2025/0147Marin Rue Des Tamaris La Rocquette Castel Guernsey GY5 7BAVariation to previously approved plans to erect single storey extension to north (side) elevation - Increase f…
Est. £56,694–£94,489 at 2025 prices
GrantedFull record
Decision notice (PDF)
FULL/2025/0330The Isles St. George's Esplanade St. Peter Port Guernsey GY1 2BJDemolish chimney, erect single storey extension to south-west (rear) elevation.
Est. £56,694–£94,489 at 2025 prices
Granted
Later sold 2021-05-25 · £386,100
Full record
Decision notice (PDF)
FULL/2025/0331The Barn Maison Des Effards Les Effards Road St. Sampson Guernsey GY2 4YWVariation to works previously approved to convert art studio to dwelling - Install replacement doors and windo…
Est. £10,079–£25,197 at 2025 prices
GrantedFull record
Decision notice (PDF)
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