20 Church Street, Douglas

Description

A fantastic opportunity to lease a compact retail unit in a prominent location within Douglas city centre. The unit offers 210 sq ft of main retail space and benefits from access to a communal WC. (...)

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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

SchoolHenry Bloom Noble Primary School0.47 mi · 10 min walk · 2 min drive
GP surgeryAthol Health0.07 mi · 1 min walk · 0 min drive
DentistRegent Dental0.08 mi · 2 min walk · 0 min drive
SupermarketAsia's Best Choice0.19 mi · 4 min walk · 1 min drive
PubThe Outback0.02 mi · 0 min walk · 0 min drive
RestaurantIsola0.01 mi · 0 min walk · 0 min drive
CaféManx Cat Cafe0.03 mi · 1 min walk · 0 min drive
Petrol stationBrown Bobby0.42 mi · 9 min walk · 1 min drive
AirportIsle of Man Airport9.6 mi · 31 min drive

Nearest match in each category, from a fixed list of Isle of Man 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 the Isle of Man'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.

This looks like a registered building

RB18 — 20 Church Street, Douglas

A property matching this listing's name appears on the Isle of Man's Protected Buildings Register, registered on 26 Sept 1983. Registration is a legal constraint, not a label: altering, extending or demolishing a registered building requires Registered Building Consent under the Town and Country Planning Act 1999, in addition to ordinary planning permission, and that applies to work an unregistered house would not need permission for at all.

Matched by building name against the public register, not by a shared identifier — no such identifier exists. Treat it as a strong prompt to check, not as proof: confirm against Planning and Building Control's own register before you offer, and ask your advocate. Equally, nothing here proves a property is NOT registered — see the full register.

What would improving it be worth?

Value added is the extra floor area priced at £3,229/m² — the midpoint asking price per m² among 6 Douglas properties currently for sale that publish a floor area. Cost uses real Isle of Man 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 Isle of Man actually grants that kind of application.

Improvement	Value it might add	Likely cost	Net	Granted
Add a bedroom (single-storey extension) A modest double plus circulation, built new. ~14 m²	£45,207	£52,500 14 m² · mid spec new build range £42,000–£63,000	−£7,293	0% (314)
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	£64,582	£41,000 20 m² · mid spec refurb range £33,000–£50,000	+£23,582	0% (46)
Two-storey extension Roughly 14 m² on each of two floors. ~28 m²	£90,415	£105,000 28 m² · mid spec new build range £84,000–£126,000	−£14,585	0% (66)
Garage, annexe or outbuilding Detached space is worth less per m² than main-house floor area. ~18 m²	£34,874	£67,500 18 m² · mid spec new build range £54,000–£81,000	−£32,626	0% (199)

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 the Isle of Man'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 — what work of this kind actually gets approved here shows how often applications like yours succeed, and on what grounds the refusals go.

Building work on this property

What work are you considering?

Same estimate model this site uses on its planning pages (UK cost ranges with the Isle of Man's 18% uplift) — a rough starting point, not a quote. Always get quotes from an Isle of Man builder before budgeting.

See also all Isle of Man property professionals — architects, surveyors, mortgage brokers and trades.

Sale history

Sale date	Price	At 2026 prices	Address on register
2017-07-04	£194,000	£291,379 +50%	20 Church Street Douglas IM1 2AB

Matched by house name/street and parish against the Isle of Man Land Registry's transaction 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.