Rebuild cost calculator

This calculator uses our construction cost data to estimate the approximate rebuild cost of a house anywhere in the UK. This may be useful for insurance purposes (although see our disclaimer). We don't currently provide a rebuild cost for flats.

This estimate is strictly for guidance only and we are not liable for any loss or damage following use or reliance on the estimation provided. The rebuild cost calculation of any property remains the responsibility of the owner of the property. Providing an accurate rebuild cost for insurance or any other purpose remains your responsibility. If you are in any doubt about the accuracy of the rebuild cost of your property you should hire a chartered surveyor to provide a professional opinion.

What’s the Benefit of Using a Rebuild Cost Calculator?

Estimating the rebuild cost of your house is an essential step in ensuring you have the right insurance coverage or in planning your investment. Determining an accurate rebuild cost requires careful consideration of various factors. This house rebuild cost calculator will guide you through the process, helping you arrive at a reliable estimation to assist with your financial planning and decision-making. It's handy if you're considering converting office space to homes, as it will highlight the overall viability of your investment.

Factors to Consider When Using a Rebuild Cost Calculator

How much does a house rebuild cost in the UK?

The results of the a rebuild cost calculator for the UK depends on factors such as the size and location of the property, the type of materials used, the extent of the renovation, and the chosen contractors. Generally, the average cost per square metre for a basic rebuild can range from £1,200 to £2,500. However, this figure can increase substantially for high-end finishes and luxury features.

Other cost considerations include planning permission fees, building regulations compliance, demolition costs (if applicable), and professional fees for architects, structural engineers, and surveyors. So performing due diligence and research is essential.

It is worth noting that the rebuilding cost may differ from a property's market value. The market value considers location, desirability, and market conditions, whereas rebuilding costs primarily focus on construction expenses.

Is the rebuild cost less than the market value?

Understanding the relationship between rebuild cost and market value is essential for those looking to invest in properties in the UK, as it can significantly impact their investment, insurance coverage and premiums. In the UK context, it is common for the rebuild cost to be less than the market value of a property.

The market value of a property in the UK is influenced by various factors that you'll need to evaluate, including location, demand, and local market conditions. Market value considers the physical structure and factors like the land, amenities, and proximity to schools, transportation, and other facilities. As a result, market values can fluctuate significantly, especially in areas experiencing rapid growth or decline.

On the other hand, rebuild cost refers to the expense of completely reconstructing a property if it is damaged or destroyed. It considers various factors like the materials, labour, and associated costs necessary to rebuild the property to its original condition. The rebuild price is typically lower than the market value because it does not include the value of the land or any additional factors that contribute to the market value.

How much does knocking down a house and rebuilding in the UK cost?

Undertaking a complete demolition and rebuild of a house is a significant endeavour that requires careful planning and financial consideration. This is true for renovations and if you're considering converting office space to homes. The cost of such a project in the UK can vary depending on various factors, including the location, property size, desired specifications, and local regulations.

On average, the cost of demolishing a house in the UK can range from £5,000 to £15,000. This figure includes the expenses of obtaining necessary permits, disconnecting utilities, and hiring demolition contractors. However, it is essential to note that these costs can be higher for larger or more complex structures.

Once the demolition phase is complete, the cost of rebuilding a house will depend on several factors, such as the desired size, layout, materials, and finishes. Generally, constructing a new home in the UK can range from £1,000 to £3,000 per square metre. This estimate encompasses expenses related to construction materials, labour, professional fees, and any additional features or customizations.

Is it Cheaper to Rebuild or Replace a House in the UK?

In the context of the UK, where the housing market can be fiercely competitive, and property prices are on the rise, it's worth considering if it's cheaper to rebuild or replace a house. Rebuilding a home involves tearing down the existing structure and constructing a new one, while replacing a place typically refers to purchasing a new property.

The cost of rebuilding or replacing a house depends on several variables. Rebuilding offers the advantage of retaining the existing plot, infrastructure, and potential planning permissions. However, it requires careful assessment of the structural integrity of the current building, potential limitations due to local planning regulations, and the availability of skilled construction workers. Replacing a house, on the other hand, offers a fresh start with modern features and reduced maintenance costs. Still, it necessitates the purchase of a new property, including associated transaction fees and potential moving costs.

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Transparent data promise

Where does the raw data come from?

Property listings seen on rightmove.co.uk, zoopla.co.uk and onthemarket.com.

How often is the data updated?

The data is updated in near real-time.

What time period does the data cover?

This is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from the portal, they are soon removed from this tab.

How is the raw data processed?

Duplicates from multiple sources are matched and reconciled as far as possible. Listings with obvious errors, where price or number or bedrooms appear out of range, are discarded.

What are the statistics used?

Averages shown are the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property listings seen on rightmove.co.uk, zoopla.co.uk and onthemarket.com.

How do you know the square footage of properties?

We use proprietary technology to read the square footage of properties from agent floorplans. Although we cannot determine the square footage for all properties, we can usually get sufficient coverage. Agents are sometimes known to inflate square footage, and this should be borne in mind as a weakness of this data.

How often is the data updated?

The data is updated in near real-time.

What time period does the data cover?

This is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from the portal, they are soon removed from this tab.

How is the raw data processed?

Duplicates from multiple sources are matched and reconciled as far as possible. Listings with obvious errors, where price or number or bedrooms appear out of range, are discarded.

What are the statistics used?

The average shown is the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property "price paid" data provided by the Land Registry.

How often is the data updated?

Once per month when released by the Land Registry, typically towards the end of each calendar month covering up to the end of the previous calendar month.

What time period does the data cover?

You can customise the time period using the filter at the top of the view. The default time period is up to 9 months back from today's date. The latest data covers the period up to 2024-03-01, although some sales that took place before this date may still be added in the coming months.

How is the raw data processed?

No additional processes are applied to this data.

What are the statistics used?

Averages shown are the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property "price paid" data provided by the Land Registry, and Energy Performance Certificate (EPC) data provided by Department for Levelling Up, Housing & Communities.

How do you know the square footage of properties?

We match the Land Registry data to EPC data provided by the Department for Levelling Up, Housing & Communities. Due to the fact that not all properties sold have had an EPC and vagaries of addressing in the UK, we are not able to determine the square footage of all properties, but we can usually get sufficient coverage.

How often is the data updated?

The private paid data is updated once per month when released by the Land Registry, typically towards the end of each calendar month covering up to the end of the previous calendar month. The energy performance certificate database is updated monthly.

What time period does the data cover?

You can customise the time period using the filter at the top of the view. The default time period is up to 9 months back from today's date. The latest data covers the period up to 2024-03-01, although some sales that took place before this date may still be added in the coming months.

How is the raw data processed?

No additional processes are applied to this data.

What are the statistics used?

The average shown is the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property listings seen on rightmove.co.uk, zoopla.co.uk and onthemarket.com.

How often is the data updated?

The data is updated in near real-time.

What time period does the data cover?

This is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from the portal, they are soon removed from this tab.

How is the raw data processed?

Duplicates from multiple sources are matched and reconciled as far as possible. Listings with obvious errors, where price or number or bedrooms appear out of range, are discarded.

What are the statistics used?

The average shown is the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Room let listings on SpareRoom, the UK's biggest room letting website.

How often is the data updated?

The data is updated in near real-time.

What time period does the data cover?

This is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from SpareRoom, they are soon removed from this tab.

How is the raw data processed?

Listings with obvious errors, where price or number or bedrooms appear out of range, are discarded.

What are the statistics used?

The average shown is the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property listings seen on rightmove.co.uk, zoopla.co.uk and onthemarket.com.

How often is the data updated?

The data is updated in near real-time.

What time period does the data cover?

This is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from the portal, they are soon removed from this tab.

How is the raw data processed?

Duplicates from multiple sources are matched and reconciled as far as possible. Listings with obvious errors, where price or number or bedrooms appear out of range, are discarded. Yields are calculated by comparing only properties with the same number of bedrooms, e.g. 3-bedroom properties for rent with 3-bedroom properties for sale.

What is the yield calculation used?

The calculation used is (average_weekly_asking_rent * 52 / average_asking_price), expressed as a percentage. It is a top-line gross yield, meaning no expenses are considered.

What are the statistics used?

The average shown is the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property listings seen on rightmove.co.uk, zoopla.co.uk and onthemarket.com.

How often is the data updated?

The data is updated in near real-time.

What time period does the data cover?

This is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from Zoopla, Rightmove or Spareroom, they are soon removed from this tab.

How is the raw data processed?

Duplicates from multiple sources are matched and reconciled as far as possible. Yields are calculated by comparing only properties with the same number of bedrooms, e.g. 3-bedroom properties for rent with 3-bedroom properties for sale. For the SpareRoom data, hypothetical properties consisting of two to six average double rooms with shared bathrooms are used to derived average rent. For all sources, listings with obvious errors, where price or number or bedrooms appear out of range, are discarded.

What is the yield calculation used?

The calculation used is (average_weekly_asking_rent * 52 / average_asking_price), expressed as a percentage. It is a top-line gross yield, meaning no expenses are considered.

What are the statistics used?

The average shown is the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property "price paid" data provided by the Land Registry.

How often is the data updated?

Once per month when released by the Land Registry, typically towards the end of each calendar month covering up to the end of the previous calendar month.

Zoopla Zed-index

What time period does the data cover?

The data covers transactions in the last six years

How is the raw data processed?

No additional processes are applied to this data.

What are the statistics used?

The average shown is the interquartile mean, a type of average that is insensitive to outliers while being its own distinct parameter. The 80% range means that 80% of the listed properties fall inside this range.

Where does the raw data come from?

Property listings seen on rightmove.co.uk, zoopla.co.uk and onthemarket.com.

How often is the data updated?

The listings data is updated in near real-time. The Land Registry data is updated once per month when released, typically towards the end of each calendar month covering up to the end of the previous calendar month.

What time period does the data cover?

The price paid data shown goes back to January 2015. The listings data is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from the portal, they are soon removed from this tab.

How is the raw data processed?

Duplicates from multiple sources are matched and reconciled as far as possible. Listings with obvious errors, where price or number or bedrooms appear out of range, are discarded.

What are the calculations used?

Average sales per month are for the last 3 finalised months. Turnover is average sales per month divided by total for sale. Inventory is 100 divided by turnover.

Where does the raw data come from?

Property listings seen on rightmove.co.uk, zoopla.co.uk and onthemarket.com.

How often is the data updated?

The listings data is updated in near real-time. The Land Registry data is updated once per month when released, typically towards the end of each calendar month covering up to the end of the previous calendar month.

What time period does the data cover?

This is a real-time market snapshot - the data covers currently listed properties. Once properties are removed from the portal, they are soon removed from this tab.

How is the raw data processed?

Duplicates from multiple sources are matched and reconciled as far as possible. Listings with obvious errors, where price or number or bedrooms appear out of range, are discarded.

Where does the raw data come from?

We receive data on the extent and corporate ownership of all land titles in England & Wales from the Land Registry.

How often is the data updated?

The data is updated once per month when released, typically in the first few days of each calendar month.

What time period does the data cover?

This is an ownership snapshot - the data represents ownership as recorded by the Land Registry at the last monthly export.

How is the raw data processed?

No additional processes are applied to this data.

Where does the raw data come from?

We source different expert forecasts Savills, Knight Frank, OBR

How often is the data updated?

The data is updated annually when new forecasts are released, typically towards the beginning of the year.

How is the raw data processed?

We calculate a consensus forecast using a simple mean average.

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