Dorset

Semi-Commercial Mortgages in Weymouth

Mortgages and finance for shops with flats above, mixed-use blocks and other part-commercial, part-residential property in Weymouth.

Matt Lenzie
Written and reviewed by Matt Lenzie Founder & Principal Broker · 25 years arranging semi-commercial and mixed-use finance
£275k
Residential median (local)
832
Residential sales, 12 months
£165,000
Flat median (residential element)
10%
New-build premium

We arrange semi-commercial and mixed-use mortgages in Weymouth for purchases, remortgages and portfolios from around 150,000 pounds upward. Whether the asset is a retail unit with a flat above, a guest house, a surgery with residential accommodation or a mixed-use investment block, we assess the commercial and residential split, model the combined income, and take the case to the lenders most likely to fund it in Dorset.

We assess a Weymouth semi-commercial case on its combined commercial and residential fundamentals, with the local residential market as a gauge of the value and lettability of the living space. That market is steady, around 832 residential sales in the past year at a £275,000 median, which helps test the residential element of a shop with a flat above or a mixed-use block.

How we structure semi-commercial finance for Weymouth property

We arrange the full range of semi-commercial and mixed-use finance for Weymouth property. A semi-commercial mortgage funds the purchase or refinance of an investment or owner-occupied mixed-use asset, typically to 70 to 75 percent of value, priced from around 6.5 to 8.5 percent a year. Where the residential element is large, a mixed-use mortgage may be sized on the blended income from both parts. Semi-commercial bridging covers a quick purchase, an auction lot or a property that needs works before it will support a term loan, usually from around 0.70 to 0.95 percent a month. For landlords holding several mixed-use or part-commercial assets, portfolio finance consolidates them under one facility. Once an asset is stabilised and let, a semi-commercial remortgage moves it onto a keener rate and releases equity for the next purchase in Dorset.

Mixed-use assets we finance across Weymouth

Each kind of mixed-use asset is treated differently by different lenders, and we arrange finance for all of them in Weymouth and across Dorset. That covers the classic shop with a flat above, offices with residential upper floors, pubs and guest houses with owner or letting accommodation, restaurants and takeaways with flats, retail parades with residential uppers, HMOs above commercial units, surgeries and professional premises with living space, and larger mixed-use blocks. The key question every lender asks is how much of the property, by floor area or value, is residential against commercial, because that split decides which desk will lend and on what terms.

What the Weymouth market means for a semi-commercial valuation

Weymouth is a value market within Dorset, where keener prices can lift the yield on a mixed-use asset. Lenders will look closely at the strength of the commercial tenancy and the lettability of the residential space, so clear local evidence, of the kind set out below, helps secure competitive terms here.

The residential element: what local values tell a lender

The flats and living space within a semi-commercial asset are valued against local residential evidence, so sold-price depth is a direct input on a mixed-use deal. Weymouth recorded around 832 residential sales over the past year at a median of £275,000, which makes the local market steady. New-build stock carries a premium of 10% over existing stock here. The commercial element of the property, by contrast, is valued on its tenant, lease and yield, which we assess case by case.

This residential evidence values the living space within a mixed-use property and gauges how readily it would let or sell. It is not a guide to the commercial unit's value, which is tenant and covenant driven.

Residential sold price by type (Weymouth)

Detached£422,500
Semi-detached£320,000
Terraced£245,000
Flat / apartment£165,000

Source: HM Land Registry residential price-paid data, last 12 months.

Recent price trend

QuarterMedianSales
2024-Q2£295k241
2024-Q3£290k333
2024-Q4£284k342
2025-Q1£294k416
2025-Q2£250k245
2025-Q3£283k275
2025-Q4£276k264
2026-Q1£260k158
Evidence

Recent residential sales in Weymouth postcodes

A sample of recent residential transactions across DT3, DT4, evidence for valuing the residential element of a semi-commercial property rather than a guide to commercial values.

AddressPostcodeTypePriceDate
302, DORCHESTER ROAD DT3 5AR Semi-detached £450,000 24 March 2026
FLAT 9, 7, RICKETTS CLOSE DT4 7US Flat / apartment £182,000 20 March 2026
13, ST ANNES ROAD DT4 9LW Detached £560,000 20 March 2026
73, MONMOUTH AVENUE DT3 5JR Detached £380,000 20 March 2026
4, PEMBERTON CLOSE DT3 6QY Terraced £228,000 18 March 2026
27, WYKE OLIVER ROAD DT3 6BW Detached £690,000 18 March 2026
35, WHITECROSS DRIVE DT4 9PA Detached £585,000 18 March 2026
29, BRIDLEBANK WAY DT3 5RA Terraced £235,000 18 March 2026
WHITE HORSE COTTAGE, WHITE HORSE LANE DT3 6LU Detached £595,000 17 March 2026
44, ROMAN ROAD DT3 5JQ Semi-detached £415,000 17 March 2026
FAQ

Semi-commercial mortgages in Weymouth: common questions

How much can I borrow on a semi-commercial mortgage in Weymouth?

Most lenders fund up to 70 to 75 percent of value on a semi-commercial mortgage, with the loan sized on the combined commercial and residential rent at an interest cover ratio. The Weymouth residential market, currently steady, informs the value a lender will place on the residential element of a mixed-use asset.

Which lenders offer semi-commercial mortgages in Weymouth?

We hold more than one hundred lender relationships across high street banks, challenger banks and specialist lenders. The right lender for a Weymouth semi-commercial deal depends on the commercial-to-residential split, the leverage you need and whether you borrow personally or through a limited company, and we shortlist the desks most likely to fund it across Dorset.

How does the Weymouth residential market affect a mixed-use property?

It matters because the flats and living space within a semi-commercial asset are valued against local residential evidence. HM Land Registry records a £275,000 residential median in Weymouth over the past year across roughly 832 sales, with flats around £165,000. The commercial element, by contrast, is valued on its tenant, lease and yield, which we assess case by case.

Do you arrange semi-commercial finance beyond Weymouth?

Yes. We arrange semi-commercial and mixed-use mortgages across the whole of Dorset and the wider UK, with the same approach: assess the commercial and residential split, model the combined income, and match the case to the lenders that treat that asset well.

Buying or refinancing in Weymouth?

Send us the property details and we will come back with a view on lenders and likely terms within one working day.