Instead of facing the emotional and financial challenges of moving, many in Sheffield are opting to make better use of their existing homes by transforming neglected attic spaces into practical living areas. These spaces can be converted to bedrooms, studies, playrooms and more. But whilst it creates often life-changing extra living space, can it also add value to your home?
Will a Loft Conversion Add Value?
In most cases, yes—a loft conversion can significantly increase the value of a property. A professionally executed conversion typically boosts a Sheffield home’s market value by 10–20%. In certain areas, especially where space is at a premium, this figure may be even higher. For example, converting a three-bedroom, one-bathroom house into a four-bedroom, two-bathroom home can add around 25% to its value.
Compared to other home renovations, loft conversions are often considered a cost-effective way to increase property value. They are generally less disruptive and more affordable than extensions, particularly in areas where space is limited. That said, the increase in value isn’t guaranteed, so careful planning and professional advice are essential.
Factors That Influence the Value Added
The increase in value from a loft conversion isn’t fixed—it depends on a range of factors. Being aware of these can help you make an informed decision.
Location and Size
The location of your property and the size of the conversion has a big impact. The more usable space created, the more appealing the conversion. Lofts with restricted head height, only suitable for storage, won’t significantly boost your property’s value.
In the UK, the average loft size for a conversion is between 30 and 50 square meters (320 to 540 square feet). The size of the loft conversion is dependent on a number of factors, including the size of the bungalow or house, and the type of loft conversion being carried out.
We’ve listed below all postcodes within Sheffield and the average price per square metre based on Land Registry data. You can then work out the approximate value this will add to your home by multiplying the amount by the estimated square meterage you will gain.
All of the listed postcodes are within the Sheffield post town and local authority area. The median (£/sqm) is the midpoint of the property prices per square metre in that postcode. The IQR shows the spread of the middle 50% of property prices per square metre within each area.
Interesting fact: the S32 postcode has the highest median price per square meter at £4,180, while S4 has the lowest at £1,220!
| Postcode | Median (£/sqm) | IQR (£/sqm) | Coverage |
|---|---|---|---|
| S1 | £1,840 | £1,420 – £2,220 | City Centre |
| S2 | £2,090 | £1,740 – £2,470 | City Centre, Arbourthorne, Heeley, Highfield, Lowfield, Manor, Newfield Green, Norfolk Park, Park Hill, Wybourn |
| S3 | £2,550 | £1,990 – £3,280 | City Centre, Broomhall, Burngreave, Neepsend, Netherthorpe, Pitsmoor |
| S4 | £1,220 | £980 – £1,750 | Brightside, Burngreave, Grimesthorpe, Osgathorpe, Page Hall, Pitsmoor |
| S5 | £1,890 | £1,570 – £2,190 | Firth Park, Fir Vale, Longley, Shirecliffe, Shiregreen, Southey, Parson Cross, Wincobank |
| S6 | £2,670 | £2,180 – £3,260 | Bradfield, Dungworth, Fox Hill, Hillsborough, Holdworth, Hollow Meadows, Loxley, Malin Bridge, Middlewood, Stannington, Storrs, Upperthorpe, Wadsley, Wadsley Bridge, Walkley, Wisewood |
| S7 | £3,140 | £2,630 – £4,000 | Beauchief, Carter Knowle, Millhouses, Nether Edge |
| S8 | £2,860 | £2,240 – £3,450 | Batemoor, Beauchief, Greenhill, Jordanthorpe, Lowedges, Meadowhead, Meersbrook, Norton, Norton Lees, Woodseats |
| S9 | £1,840 | £1,420 – £2,220 | Attercliffe, Brightside, Darnall, Handsworth Hill, Meadowhall, Tinsley, Wincobank |
| S10 | £3,400 | £2,830 – £4,060 | Broomhall, Broomhill, Crookes, Crookesmoor, Crosspool, Endcliffe, Fulwood, Lodge Moor, Ranmoor |
| S11 | £3,370 | £2,830 – £4,130 | Bents Green, Carter Knowle, Ecclesall, Greystones, Millhouses, Nether Edge, Parkhead, Ringinglow, Sharrow, Whirlow |
| S12 | £2,330 | £1,960 – £2,700 | Frecheville, Gleadless, Hackenthorpe, Intake, Ridgeway |
| S13 | £2,170 | £1,810 – £2,590 | Handsworth, Normanton Spring, Orgreave, Richmond, Woodhouse, Woodthorpe |
| S14 | £1,550 | £1,260 – £1,740 | Gleadless Valley |
| S17 | £3,850 | £3,280 – £4,440 | Bradway, Dore, Totley |
| S18 | £3,290 | £2,800 – £3,880 | Dronfield, Holmesfield, Unstone |
| S20 | £2,740 | £2,130 – £3,210 | Beighton, Crystal Peaks, Halfway, Mosborough, Owlthorpe, Plumbley, Sothall, Waterthorpe, Westfield |
| S21 | £2,360 | £1,980 – £2,750 | Eckington, Killamarsh, Marsh Lane, Middle Handley, Renishaw, Spinkhill, Troway, West Handley |
| S25 | £2,280 | £1,750 – £2,670 | Anston, Brookhouse, Dinnington, Laughton en le Morthen, Slade Hooton |
| S26 | £2,530 | £2,010 – £3,050 | Aston, Aughton, Harthill, Kiveton Park, Swallownest, Todwick, Ulley, Wales, Waleswood, Woodall |
| S32 | £4,180 | £3,690 – £5,060 | Abney, Bretton, Calver, Curbar, Eyam, Foolow, Grindleford, Hathersage, Leam, Stoney Middleton |
| S33 | £3,600 | £3,140 – £4,060 | Aston, Bamford, Barber Booth, Bradwell, Castleton, Edale, Hope, Thornhill, Yorkshire Bridge |
| S35 | £2,770 | £2,270 – £3,320 | Chapeltown, Crane Moor, Ecclesfield, Green Moor, Grenoside, Hermit Hill, High Green, Oughtibridge, Thurgoland, Wharncliffe Side, Wortley, Worrall |
| S36 | £2,450 | £2,000 – £3,020 | Bolsterstone, Carlecotes, Catshaw, Crow Edge, Deepcar, Dunford Bridge, Hoylandswaine, Ingbirchworth, Langsett, Midhopestones, Millhouse Green, Oxspring, Snowden Hill, Stocksbridge, Penistone, Thurlstone, Upper Midhope, Wigtwizzle |
Data source: Land Registry.
Type of Conversion
The type of loft conversion chosen affects both the cost and the potential value added:
- Rooflight/Velux Conversions – These are the most affordable as they require minimal structural work. They don’t add extra space but make the loft usable, often by adding skylights.
- Dormer Conversions – Ideal for lofts with limited headroom, these add usable space by extending the roof. They’re cost-effective but may need planning permission.
- Hip-to-Gable Conversions – Common in semi-detached homes, these involve extending the roof’s sloped side to create a vertical wall. This adds more space than a dormer but requires more work.
- Mansard Conversions – These provide the most space by creating steep roof sides and a flat top. They often need planning permission and are the most expensive option.
Quality of the Conversion
A well-designed loft that complements your home adds value. For example, a bedroom with an en-suite bathroom is far more appealing than a standalone bedroom. Poorly designed conversions can actually reduce your home’s desirability, so make sure you do your research on who to use for the conversion.
Number of Bedrooms and Bathrooms
Adding an extra bedroom, especially with an en-suite, tends to increase value more than adding a bedroom alone. But the existing layout of your home matters. For example, adding multiple bedrooms in the loft of a smaller home might not make sense if the downstairs living space doesn’t suit a larger family.
Cost of Loft Conversion
You should also consider the cost of the loft conversion. For example if the build cost is £1500/m² and the market value is £2500/m² after conversion, you gain £1000/m² in value. However, if the market value is only £1500/m², you may not recoup your investment. The tables above will help in this.
Maximising the Value of a Loft Conversion
If you want to add maximum value via your loft conversion,consider these strategies:
- Add a Bedroom with an En-Suite
Adding an extra bedroom, especially with an en-suite bathroom, can significantly boost your home’s value. This is particularly effective if your house has fewer bedrooms than others in your area. Buyers often prioritise properties with additional bedrooms and bathrooms, as they increase functionality and convenience. - Maximise Natural Light
Roof windows or skylights can make the loft feel spacious and welcoming. Natural light enhances the atmosphere of a room and has the added benefit of improving well-being. Choosing high-quality windows and placing them strategically is essential for achieving the best results. - Incorporate Current Trends
Consider designing the space to reflect popular trends, such as home offices, gyms, or media rooms. While these features may not always increase the home’s monetary value, they can make the property more attractive to potential buyers. - Ensure Adequate Headroom
Loft spaces need sufficient head height to be considered usable. If the ceiling height is too low, the space may be limited to storage, which won’t add significant value. Adjustments to the roof can be considered, but keep in mind the extra cost this entails. - Ensure Design Quality
A well-thought-out, stylish design can add a ‘wow’ factor. Avoid cramming in a bedroom at the expense of comfort or usability. For instance, including an en-suite bathroom or clever built-in storage can make the space more functional and desirable. - Plan the Staircase Carefully
The staircase should not take up too much space from the existing floors. Its placement is crucial, as it can affect the flow and functionality of your home. - Do Your Research
Planning and research are essential. Ensure the design suits the style of your property and the needs of potential buyers. Proper planning can save you from costly mistakes.
Loft Conversion vs Other Types of Extensions
When planning to add space to your property, it’s worth weighing up the benefits of a loft conversion compared to other types of extensions, such as rear or side extensions. Here’s a breakdown to help guide your decision.
| Category | Loft Conversions | Rear or Side Extensions |
|---|---|---|
| Cost | More affordable, requiring fewer structural changes and less disruptive to complete. | Generally more expensive due to greater structural changes and complexity. |
| Added Value | Typically adds more value by creating new rooms, such as a bedroom and en-suite. | Expands existing spaces (e.g., kitchens or living areas), which may have less impact on property value. |
| Space and Flexibility | Utilises underused space without reducing garden or outdoor space. | Provides greater design flexibility but often reduces outdoor space, impacting garden size. |
| Planning Permission | Often falls under permitted development rights, so planning permission is usually not required. | Frequently requires formal planning permission, which can be time-consuming and costly. |
| Disruption | Builders need access through your home, but the process is quicker due to simpler construction. | Work can often remain outside main living areas, but expect dust and temporary inconvenience. |
Key Takeaways and Recommendations
A loft conversion can be an excellent investment, offering both added space and increased property value. However, it is essential to approach the project with realistic expectations and a clear plan. A well-executed loft conversion can add between 10% and 20% to your property’s value.
Loft conversions are often more cost-effective than other major renovations, such as extensions. They are a practical way to add space without the expense and inconvenience of moving house. The type of conversion you choose will significantly affect the cost and the value added. For example, rooflight conversions are generally more affordable and involve minimal structural changes, while mansard conversions, which create the most space, require planning permission and are more expensive.
Consulting with professionals such as architects or loft conversion specialists can provide valuable insight and help you determine whether your loft is suitable for conversion. They can also guide you through planning permission and building regulations, ensuring the project meets all necessary requirements. It’s advisable to compare quotes from different professionals to get the best value for money.
Final Thoughts
A loft conversion can provide a practical way to increase your property’s value and create additional living space. However, success depends on thorough research, thoughtful planning, and a clear understanding of your property’s potential.
Start by researching your local property market to ensure the project will be financially viable. While average value increases provide helpful guidance, your home’s specific circumstances—such as location, size, and property type—will ultimately determine the return on investment. Be mindful of overspending; the potential uplift in value should outweigh the costs of the conversion.
If you’re unsure about whether a loft conversion is the right decision for your property, consult a local estate agent for tailored advice. By taking the time to consider all these factors, you can confidently decide whether a loft conversion is the right move and ensure you achieve the best possible increase.