Get a competitive quote for Teesside builders

Building services in Teesside

Get a free, competitive quote for extensions, renovations, garage conversions, steel beams, garden rooms and brickwork. Itemised quotes, staged payments, building regs signed off.

House Extensions

Single storey £25,000–£45,000, two storey £40,000–£70,000. Staged payments.

From £25,000 →

Full Renovations

Back-to-brick or room by room. £20,000–£80,000+, priced stage by stage.

From £20,000 →

Garage Conversions

The cheapest space you can add. £8,000–£15,000, warm and regs-signed.

From £8,000 →

Structural Alterations & Steel Beams

Open up the ground floor. £2,000–£10,000 with engineer's calcs and sign-off.

From £2,000 →

Garden Rooms & Outbuildings

Insulated, wired, usable in January. £12,000–£30,000 built on site.

From £12,000 →

Brickwork & Groundworks

Repointing, walls, lintels, foundations, drains. Repairs from £1,000.

From £1,000 →

What does building work cost in Teesside?

A single-storey rear extension on a Teesside house lands at £25,000 to £45,000 in 2026, a two-storey at £40,000 to £70,000, a garage conversion £8,000 to £15,000, and a whole-house renovation anywhere from £20,000 to £80,000 and above depending on how much of the building survives the strip-out. Opening a wall up with a steel beam is £2,000 to £10,000 once the engineer's calculations, the padstones and the making good are counted.

Those ranges are wide because building work is priced from a drawing and a site, never from a postcode. Ground conditions, drain runs, whether the roof needs re-tying, how far the mains have to travel and the finish standard you actually want all pull the figure about. What should not vary is how the number is presented to you: broken down by stage, so you can see what each part of the job buys.

The full per-square-metre picture, with worked examples by house type, is in the Teesside extension cost guide.

Teesside housing stock, and what it means for your build

Building here is shaped by what was built before. The long brick terraces of Gresham, Newport and central Stockton sit wall to wall, so almost any structural work triggers the Party Wall etc. Act 1996 and a notice to the neighbour before a tool comes out. The interwar semis across Acklam, Norton, Hartburn and Grangetown have generous side returns, which is why the wraparound extension is the most-quoted job on this patch. Post-war estates in Billingham and Thornaby have integral or attached garages that convert cheaply into a fourth bedroom or an office. And on the newer estates at Wynyard, Ingleby Barwick and Middle Warren, gardens are large but planning conditions are tighter, which pushes people towards insulated garden rooms rather than bricks and mortar.

Ground matters too. Parts of the Tees corridor carry made ground and old industrial fill, and a trial hole at quotation stage is far cheaper than discovering a deeper foundation halfway through a dig. A builder who knows the area will price that risk openly rather than hide it in a lump sum.

What a serious building quote looks like

This is the biggest cheque most households ever write to a trade, so the paperwork matters as much as the brickwork.

• Itemised, stage by stage: groundworks, structure, roof, windows, first fix, plaster, second fix, decoration and external works each carrying their own figure.
• Payments tied to progress: money released against completed stages that you can see and touch, never a large deposit up front for materials that have not arrived.
• A written contract: scope, start window, specification, who supplies what, and how variations are priced before they happen.
• Structural design in the price: steel sizes and foundation depths from a structural engineer's calculations, not from experience alone.
• Building control from the start: a building regulations application, inspections booked at the right moments, and the completion certificate you will need when you sell.
• Insurance you can read: public liability plus contract works cover, evidenced by certificate rather than promised on the phone.

Timelines get discussed the same way: an honest programme with the weather-dependent stages flagged, not a date plucked out of the air to win the job.

Where to start

Three questions decide most projects: what will it cost, do I need permission, and how do I pick the right firm. The extension cost guide gives 2026 rates with worked examples, planning permission on Teesside covers permitted development, building regs and the four local councils, and choosing a builder explains contracts, staged payments and the warning signs. If you already know what you want built, the quote form is the quickest route, or get in touch.

Where we cover

Building work across the whole Teesside conurbation, from the Hartlepool Headland to the Yarm riverside.

Full details on the areas we cover page.

Building guides for Teesside homeowners