What is the average price to have a roof replaced?

There is no single national figure for replacing a roof, and anyone quoting one over the phone has not seen your roof yet.

Scott has spent more than 36 years on Surrey roofs and still answers the phone himself, whether the job is a repair or a new roof replacement in Godalming.

Call 07428 300474 for a free survey and a fixed price in writing.

What is the average price to have a roof replaced?

The average price to have a roof replaced sits in a wide range because the figure is driven by roof area, pitch, covering, scaffolding, timber condition and access. An average is only a starting point: the honest answer for your house comes from a survey and a fixed written price, not from a national average.

The measurements and materials that move the figure

Roof area is the first driver, and it is not the footprint of the house. A steeper pitch means more square metres of covering over the same rooms, and it also changes how the tiles are fixed and how much of the roof is exposed to wind uplift. Fixing specification under BS 5534 is calculated for the site, not copied from the last job, and a roof that needs every tile clipped and mechanically fixed costs more in labour and fixings than one that does not.

Covering choice then sets the material cost. Plain clay tiles use far more units per square metre than large interlocking concrete tiles, so the labour hours climb with them. Natural slate, fibre cement slate, pantiles and metal all sit at different points. Ridge and hip detail, valleys, dormers, roof windows and abutments all add labour that a per square metre figure hides.

For a new roof replacement in Guildford, as for anywhere else in the area, the survey is what turns those variables into one number rather than a range.

The costs people do not see in a headline average

Several real costs sit outside the tiles themselves, and they are the usual reason a quote lands above a figure someone read online.

The same team covers new roof replacement in Woking.

• Scaffolding and access. Height, terracing, pavements, gardens and neighbouring property all affect the scaffold design and how long it stands.
• Timber and structure. Battens are always renewed. Rafter ends, wall plates and valley boards are only priced properly once the covering is off, and Approved Document A sets the structural expectation for anything altered.
• Underlay and ventilation. A breathable or non-breathable membrane is chosen alongside eaves and ridge ventilation to satisfy BS 5250, because a sealed warm roof space with no path for moisture will rot the new timber.
• Leadwork and flashings. Chimneys, abutments and valleys are detailed to Lead Sheet Association guidance rather than patched with mastic.
• Rainwater. Gutters and downpipes are sized to BS EN 12056 for the area being drained, and worn plastic often comes off with the scaffold anyway.
• Insulation. Approved Document L's insulation upgrade can apply on a re-roof, so it is priced in at quote stage rather than sprung on you halfway through.
• Waste and disposal. A full strip generates several tonnes of material, and asbestos-cement sheeting on a garage or outbuilding is assessed and the safe compliant route advised under the Control of Asbestos Regulations 2012.

How a fixed written price is arrived at

The survey is free and carries no obligation. The roof is measured and inspected properly, including a drone view where the pitch or the access makes that the sensible way to see the detail, and the loft is looked at from inside where there is one. Only then does a number get written down.

If a smaller repair will see the roof through several more years, that is what gets said. Nobody is sold a full replacement to hit a figure, and coatings are never pushed as a substitute for work that is actually needed. If you are looking for a roofer close to home in the villages and towns across Surrey and the Wey Valley, a real person answers the phone day, night and weekend, not a call centre.

On any new roof replacement we take on across the area, the price you are given in writing is the price you pay unless you ask for something to be added.

Why the cheapest quote and the true cost are rarely the same number

A low figure usually means something has been left out: less scaffold, fewer fixings, old battens reused, a valley patched instead of relined, or ventilation ignored. None of that shows on the day the scaffold comes down. It shows three winters later, in a damp bedroom ceiling or a slipped course above a chimney, and by then the saving is gone.

Scott has spent more than 36 years on Surrey roofs, the work is done by the firm's own experienced local roofers rather than subcontracted strangers, and every job carries a 25-year written workmanship guarantee handed over before the team leaves. That covers repairs as well as new roofs. Our new roof replacement services set out how the work is specified and sequenced, so you can see what the money is buying before you commit to anything.

Priced against a proper specification, a replaced roof is a once-in-a-generation cost. Priced against a headline average, it is a guess.