An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. In Grantham, a town of around 45,000 people in Lincolnshire, the work is planned around the HMO rules for England and the council’s written HMO standards.
- Area
- Lincolnshire, England
- Postcodes
- NG31 and NG32
- Location
- 21 miles east of Nottingham
- Pricing region
- East Midlands
What do extensions for extra rooms in Grantham involve?
- Fire separation and detection extended to the new space
- Foundations, structure and roof
- Kitchen or bedroom fit-out
- Planning route check and drawings
- Building control completion
Which rules apply in Grantham?
The rules below are the England-wide position for this kind of work. Councils add their own standards and schemes on top, so we always check the address in Grantham before we price.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
- Building regulations cover structural changes, new partitions, ensuite drainage, fire-resisting construction and notifiable electrical work.
- Smoke alarms on every storey with living accommodation and CO alarms by fixed combustion appliances (other than gas cookers) are required by law.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
How much do extensions for extra rooms cost in Grantham?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £33,950 – £58,200 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £1,750 – £3,900 | m² |
These are typical ranges including VAT, adjusted for East Midlands, where costs run below the UK average. The fixed price for a house in Grantham follows a site visit.
How long does it take?
Typical time on site: 8–14 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Grantham landlords need it?
Typical reasons for this work in Grantham:
- A kitchen too small for the number of sharers
- Moving to more sharers with consent
Questions about extensions for extra rooms in Grantham
Is a kitchen extension worth it?
Often, when the existing kitchen limits how many people the council will allow. A bigger kitchen can unlock an extra room.
How far do you travel from Grantham?
We cover the whole of Lincolnshire and work UK-wide. For Grantham the nearest towns on our list are Newark on Trent (13 miles), Melton Mowbray (14 miles), Stamford (19 miles).
Does a shared house in Grantham need an HMO licence?
In England, a mandatory licence is needed for 5 or more people from 2 or more households. Smaller HMOs can need a licence where the council runs additional licensing, which is common in towns with many shared houses. Check the council’s website for the address.
How much do extensions for extra rooms cost in Grantham?
Our guide ranges for East Midlands are in the table on this page, and the guide-price tool gives a figure for your house. A fixed written quote follows a free site visit.
Extensions for extra rooms near Grantham
- Newark on Trent · 13 mi
- Melton Mowbray · 14 mi
- Stamford · 19 mi
- West Bridgford · 20 mi
- Arnold · 21 mi
- Nottingham · 21 mi
- All of Lincolnshire
Other HMO services in Grantham
- Loft conversions for extra rooms in Grantham
- Communal kitchen refits in Grantham
- Layout changes and room reconfiguration in Grantham
- Large HMO conversions (7+ sharers) in Grantham
- Ensuite installation in Grantham
- House to HMO conversion in Grantham
- Void and between-tenancy refurbs in Grantham
- Rewires and EICR remedials in Grantham