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See how verdicts work1-bedroom flat · DL12 8PY
For saleListed 137 days
Opportunity summary
See Archie’s verdict, returns by strategy and what to check before viewing.
About
8a Thorngate is a rare opportunity to acquire a beautifully preserved Grade II Listed Georgian residence, comprising six self-contained apartments.
Originally forming the guest/domestic wing of the distinguished Thorngate House, this exceptional property is steeped in period character and charm.
Throughout the building, you'll discover an array of original features: high ceilings, elegant architraves, intricate spindle staircases, and authentic internal doors.
Many windows are adorned with traditional wooden shutters, while the staircases enjoy their own dedicated windows, flooding the hallways with natural light and offering delightful rooftop vistas.
Inside, the property is thoughtfully arranged across three spacious floors.
Each apartment showcases its own unique layout, with three currently let, and three untenanted—ideal for investors, or anyone interested in short-term holiday lets.
All flats are sold furnished, complete with kitchen appliances, and the development meets all current government regulations for rental accommodation.
The grand front portico sets the tone for this impressive residence, welcoming visitors into a communal entrance vestibule.
From here, attractive communal staircases lead to the individual apartments, each featuring double bedrooms, modern kitchens, and either spacious living rooms or airy open-plan living spaces.
All the apartments have bath or shower rooms, and useful storage throughout enhances everyday practicality.
Externally, residents enjoy access to a communal bin store and individual gas meters, discreetly housed behind timber gates at the front of the building.
There is on street parking available on Thorngate. Barnard Castle itself is renowned for its thriving independent shops and eateries, the magnificent Bowes Museum, and charming weekly markets.
Nature enthusiasts will appreciate proximity to the River Tees, the rolling countryside of Teesdale, and walking trails, while the historic Barnard Castle ruins and nearby Raby Castle provide a glimpse into the region's heritage.
Excellent transport connections link the town to Darlington and the broader North East.
Brimming with opportunity and timeless appeal, 8a Thorngate is a truly unique prospect in one of County Durham's most desirable locations.
Arrange a viewing today to fully appreciate the character, flexibility and investment potential this special property has to offer.
NOTE The property is subject to a flying freehold to the ground floor. RENTAL We are able to provide current rental information to interested parties upon request.
PRICE £570,000 PROPERTY INFORMATION Council Tax Band(Each Apartment): A Annual Cost:£1,748 Tenure: Freehold Local Authority: Durham flood Risk: Very low Conservation Area: Barnard Castle Predicted Broadband Speeds: Basic 15 Mbps, Superfast:80 Mbps, Ultrafast 1800 Mbps Satellite / Fibre TV Availability: BT and Sky Services: Mains electricity, Mains Gas, Mains Water and Mains Drainage Heating: Gas Fired Central Heating.
VIEWING Strictly by appointment through the selling agents Addisons Chartered Surveyors T: opt1 SURVEY We have not undertaken a survey of the property and therefore are unable to comment on its structural condition.
COVERNANTS AND EASEMENTS The property maybe subject to restrictive covenant(s) and/or easement(s) that will need to be verified by the seller's solicitor. BROCHURE Details and photographs May 2026
Value & comps
No previous sales on record.
Returns
Set an offer; the calculator follows it.
We're still gathering serviced-accommodation data for this area.
Archie refurb estimate: a Pro feature
0.0% below asking
This is not financial or investment advice. Prop AI Deals is not authorised by the Financial Conduct Authority (FCA) to provide investment advice.
All investment calculators, property analyses, and AI-generated insights are for informational purposes only. Property investment carries risk and may result in financial loss. All calculations should be independently verified and you should consult with FCA-authorised financial advisers before making any investment decisions.
Past performance does not guarantee future results. Tax implications vary by individual circumstances.
Deal
Properties like this can earn 2–3x BTL yields when converted to HMO, with retrofit costs around £10k/room. Sign in to see the full tier, yield projection, and cost breakdown.
Commercial properties like this can earn 30-50% higher yields when converted to residential under Class MA / Q / P / PA, with prior approval costing ~GBP 96/unit. Sign in to see the recommended route, yield uplift, and cost breakdown.
BRRR-suited properties can recycle 80-100% of investor capital on refi, leaving a high-yielding rental with most of the money out. Sign in to see the refurb cost stack, ARV projection, and refinance maths.
Detached + large garden = sub-division play. Pro tier unlocks the tier badge, plot size, uplift estimate, and regional land benchmark.
Short-lease flats trade at deep discount, but extending under the 1993 Act often costs far less than the discount. Pro tier unlocks the tier badge, premium breakdown, long-lease ARV and arbitrage maths.
See projected short-stay revenue vs a vanilla BTL for this property.
See real sub-let margins (HMO room rates & SA nightly rates) vs the landlord rent.
Area
Agent & docs

FAQ
About 8A, Thorngate, Barnard Castle, County Durham, DL12
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