Berkshire

Semi-Commercial Mortgages in Slough

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

Matt Lenzie
Written and reviewed by Matt Lenzie Founder & Principal Broker · 25 years arranging semi-commercial and mixed-use finance
£387k
Residential median (local)
761
Residential sales, 12 months
£211,000
Flat median (residential element)
1%
New-build premium

If you are buying or refinancing a mixed-use property in Slough, the right loan is rarely the cheapest headline rate. It is the one whose lender understands how the residential element above a commercial unit affects value, income and risk. We arrange semi-commercial mortgages across Slough and the wider Berkshire market, from a single shop with a flat above to a parade of units with residential uppers.

We assess a Slough 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 thinner but functional, around 761 residential sales in the past year at a £387,000 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 Slough property

We arrange the full range of semi-commercial and mixed-use finance for Slough 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 Berkshire.

Mixed-use assets we finance across Slough

Each kind of mixed-use asset is treated differently by different lenders, and we arrange finance for all of them in Slough and across Berkshire. 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 Slough market means for a semi-commercial valuation

Slough is a mid-market location within Berkshire, where semi-commercial values rest on a sound commercial tenant and a residential element that lets readily. That profile suits a mainstream semi-commercial mortgage at 70 to 75 percent of value, and it is among the more straightforward backdrops for a lender to underwrite.

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. Slough recorded around 761 residential sales over the past year at a median of £387,000, which makes the local market thinner but functional. New-build stock carries a premium of 1% 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 (Slough)

Detached£600,000
Semi-detached£453,250
Terraced£410,000
Flat / apartment£211,000

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

Recent price trend

QuarterMedianSales
2024-Q3£345k412
2024-Q4£361k375
2025-Q1£394k502
2025-Q2£375k257
2025-Q3£385k271
2025-Q4£393k246
2026-Q1£390k196
2026-Q2£400k15
Evidence

Recent residential sales in Slough postcodes

A sample of recent residential transactions across SL3, SL1, SL2, evidence for valuing the residential element of a semi-commercial property rather than a guide to commercial values.

AddressPostcodeTypePriceDate
119, GOSLING ROAD SL3 7TN Semi-detached £460,000 27 April 2026
38, KINGS ROAD SL1 2PT Semi-detached £442,000 24 April 2026
29, TWIST WAY SL2 2AY Terraced £431,000 20 April 2026
11, SALISBURY AVENUE SL2 1AA Semi-detached £417,500 15 April 2026
24, ALDIN AVENUE SOUTH SL1 1RR Semi-detached £400,000 14 April 2026
20, CHARLTON CLOSE SL1 9HD Flat / apartment £170,000 10 April 2026
1, SCHOLARS WALK SL3 8LY Flat / apartment £249,950 10 April 2026
6, FIRST CRESCENT SL1 3AU Detached £525,000 8 April 2026
63, LOWESTOFT DRIVE SL1 6PB Terraced £405,000 8 April 2026
9, SCHOLARS WALK SL3 8LY Flat / apartment £255,000 8 April 2026
FAQ

Semi-commercial mortgages in Slough: common questions

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

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 Slough residential market, currently thinner but functional, informs the value a lender will place on the residential element of a mixed-use asset.

Which lenders offer semi-commercial mortgages in Slough?

We hold more than one hundred lender relationships across high street banks, challenger banks and specialist lenders. The right lender for a Slough 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 Berkshire.

How does the Slough 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 £387,000 residential median in Slough over the past year across roughly 761 sales, with flats around £211,000. 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 Slough?

Yes. We arrange semi-commercial and mixed-use mortgages across the whole of Berkshire 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 Slough?

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