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How much is a new roof on a 3 bedroom semi?
A full re-roof on a standard 3-bedroom semi-detached house typically costs between £6,000 and £12,000 in the UK, including stripping the old roof, installing new felt and battens, and fitting new tiles. Where your job sits in that range depends on your roof shape, the materials you choose, and a few extras that are easy to overlook when budgeting.
What Drives the Cost
Roof shape is the single biggest variable. Most 3-bedroom semis have either a gable roof (two slopes meeting at a ridge) or a hip roof (where the ends also slope inward). Gable roofs are more straightforward to strip and re-tile, which keeps costs closer to the lower end of the range. Hip roofs involve more cuts, more lead work at the hips, and more time on the roof, which pushes costs toward the top of the range and sometimes beyond it. According to Checkatrade, a hip roof replacement typically runs from £9,250 to £18,000 depending on size and complexity.
Tile material is the second big factor. Concrete interlocking tiles are the most common choice on post-war semis and tend to be the most affordable option. Small plain clay tiles, which are more typical on Victorian and Edwardian properties, are more time-consuming to lay and cost noticeably more as a result. Natural slate sits at the premium end. It lasts considerably longer than concrete, but you should budget for a higher labour and material cost, often in the £7,000 to £12,000-plus range for a semi.
Roof size matters more than people expect. A 3-bedroom semi can have a pitched roof area anywhere from around 50m2 to over 80m2 depending on the original house design and whether there are any extensions. A larger roof means more materials and more days on site.
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What Gets Added on Top
The headline re-roofing price from most contractors covers stripping, felt, battens, and tiles. It rarely covers everything. These are the extras worth checking when you receive a quote.
Scaffolding is non-negotiable for any pitched roof. No reputable roofer should be working without it. Budget between £800 and £1,500 for a typical 3-bedroom semi, though this varies with access and how many elevations need covering. It is often quoted separately, so always ask whether it is included.
Fascias, soffits, and guttering are worth replacing at the same time if they are showing their age. Having it all done in one visit saves you paying for scaffolding a second time. Adding full replacement roofline and guttering to a re-roof job typically adds £1,000 to £2,000 to the overall cost.
Roof removal and disposal: stripping your old roof produces a significant amount of waste. Some contractors include skip hire in their quote; others do not. If it is not mentioned, ask about it specifically. Budget around £1,000 to £2,500 for removal and disposal if it is quoted separately.
Insulation is something many homeowners do not anticipate. Building regulations require that insulation is brought up to current standards when more than 25% of a roof is replaced. If your loft insulation is old or inadequate, this needs to be addressed as part of the project. It is worth factoring this into your budget early rather than treating it as a surprise at the end.
Chimney and flashings often need attention on older properties. Lead flashings around a chimney stack or party wall can deteriorate quietly for years, and a re-roof is a sensible time to sort them. A chimney repoint or partial rebuild adds cost, but it is far cheaper to do it while the scaffolding is already standing.
Is £16,000-Plus Ever Reasonable?
In some cases, yes. Quotes for re-roofing in the South East, particularly on hip-roofed properties, properties with awkward access, or jobs requiring scaffolding to three elevations, can legitimately reach £14,000 to £18,000 or higher once VAT is included. If you are in or around London and the South East, you should expect to pay more than the national average figures suggest.
If a quote looks high, getting two or three additional quotes is sensible. But do not assume the highest price is always wrong. A contractor who has priced the job carefully and is available in a reasonable timeframe is often worth the extra.
Cost guide:
Gable roof, concrete tiles: £6,000 to £9,500 Gable roof, natural slate: £8,000 to £13,000 Hip roof, concrete tiles: £9,000 to £14,000 Hip roof, natural slate: £11,000 to £18,000+
All figures include scaffolding. Add approximately £1,000 to £2,000 for fascias, soffits, and guttering replacement.
Key Takeaways
Getting accurate quotes requires a roofer to visit and look at the property in person, not quote from Google Maps. The shape of your roof, the material you choose, and the state of the supporting structure all affect the final cost in ways that cannot be assessed from a satellite image. Three quotes from local contractors with verifiable reviews will give you a much clearer picture than any national average.
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FAQ
How much does a new roof cost on a 3-bedroom semi-detached house?
Most homeowners pay between £6,000 and £12,000 for a standard re-roof, though hip-roofed properties or jobs requiring slate can reach £14,000 to £18,000-plus, particularly in London and the South East.
Does the quote for a new roof include scaffolding?
Not always. Scaffolding is often priced separately, typically between £800 and £1,500 for a semi-detached house. Always ask whether it is included before comparing quotes.
How long does it take to replace a roof on a 3-bedroom semi?
Most jobs take three to five days on site with a two or three person crew, though larger or more complex roofs can take longer.
Do I need building regulations approval for a new roof?
Yes, in most cases. If you are replacing more than 25% of the roof area, or if insulation or ventilation is being changed, you will need building regulations approval. Your contractor should arrange this, but confirm it is in scope before work begins.
Is it worth replacing fascias and soffits at the same time as the roof?
Almost always, yes. Doing it while the scaffolding is up avoids paying for a second scaffold erection later and typically adds only £1,000 to £2,000 to the overall job.
What is the difference between a gable roof and a hip roof on a semi?
A gable roof has a triangular end wall at each end of the house. A hip roof slopes inward on all sides, including the ends. Hip roofs are more complex to tile, which increases both material waste and labour time.
How long should a new tiled roof last?
Concrete tiles typically last 30 to 40 years. Natural slate can last 60 to 100 years with proper maintenance. The felt underlay generally has a shorter lifespan, which is why a full re-roof, not just a tile-for-tile replacement, is often the right call on older properties.
Will I need planning permission to replace my roof?
Not usually, as long as you are replacing like-for-like in terms of design and materials. It is always worth checking with your local planning authority if you are unsure, particularly in a conservation area.
What is the cheapest way to re-roof a semi-detached house?
A gable-roofed semi tiled with concrete interlocking tiles will typically come in at the lower end of the cost range. Avoiding slate and minimising additional works such as chimney repairs or fascia replacement will keep the total down.
Should I be worried if a roofer quotes without visiting?
Yes. A quote based on a satellite image or a description over the phone cannot account for the condition of the roof structure, the number of elevations requiring scaffolding, or the access constraints on your property. Always insist on an in-person visit.
Can I stay in my house while the roof is being replaced?
In most cases, yes. A re-roof is noisy and dusty, but it does not usually require you to vacate the property. Your contractor should lay temporary weatherproofing at the end of each working day if the job runs over more than one day.
What should I check before signing a roofing quote?
Make sure the quote specifies whether scaffolding, roof removal, and skip hire are included. Check that the contractor holds public liability insurance and that the quote includes a written guarantee on both materials and workmanship.