An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Barking is 9 miles east of London. We price extensions for extra rooms there against England’s HMO rules and the council’s written HMO standards, so work is planned to the standard an inspection looks for.
- Area
- Greater London, England
- Postcodes
- E6 and IG11
- Location
- 9 miles east of London
- Council
- London Borough of Barking and Dagenham
- Pricing region
- London
What do extensions for extra rooms in Barking involve?
- Ensuite drainage and extraction
- Fire separation and detection extended to the new space
- Kitchen or bedroom fit-out
- Building control completion
- Planning route check and drawings
Which rules apply in Barking?
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 Barking 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.
- The Fire Safety Order 2005 applies to the common parts of HMOs, enforced by the fire and rescue authority.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
London Borough of Barking and Dagenham: local HMO schemes
| Article 4 (HMO) | In force across the council area Borough-wide Article 4 Direction (C3 to C4) since 14 May 2012. |
|---|---|
| Additional licensing | In force across the council area Borough-wide additional licensing launched 9 Jan 2025 for five years (to 8 Jan 2030). |
| Selective licensing | In force across the council area Selective licensing across the borough in three designated areas from 6 Apr 2025 for five years (to 5 Apr 2030). |
Schemes change. Check the council’s current pages for the exact address in Barking before you buy or start work. Source: London Borough of Barking and Dagenham HMO licensing page, checked 2026-10-31.
How much do extensions for extra rooms cost in Barking?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £44,800 – £76,800 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £2,300 – £5,100 | m² |
Prices in Barking are shown with our regional adjustment for London (above the UK average). Your quote is itemised and fixed in writing once the scope and specification are agreed.
How long does it take?
Allow 8–14 weeks on site for a typical job. Drawings, approvals and long-lead items such as kitchens or fire door sets are booked before we start.
When do Barking landlords need it?
Landlords in Barking most often ask us for this when:
- Adding a ground-floor room
- Moving to more sharers with consent
Questions about extensions for extra rooms in Barking
Can I extend an HMO under permitted development?
Some extensions to houses are permitted development, but rules differ for HMOs and by nation and council. We check the address before design.
Do you cover all of Barking?
Yes. We work across Barking and the E6 and IG11 postcode areas, plus the rest of Greater London. Nearby places we also cover include Ilford, Becontree, Thamesmead.
Which council covers HMOs in Barking?
Barking is covered by London Borough of Barking and Dagenham. We read the council’s written HMO standards before pricing, and you should check the licence position for the exact address.
How much do extensions for extra rooms cost in Barking?
Our guide ranges for London 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 Barking
- Ilford · 2 mi
- Becontree · 2 mi
- Thamesmead · 3 mi
- Canning Town · 3 mi
- Stratford · 4 mi
- Dagenham · 4 mi
- All of Greater London
Other HMO services in Barking
- Loft conversions for extra rooms in Barking
- Communal kitchen refits in Barking
- Layout changes and room reconfiguration in Barking
- Large HMO conversions (7+ sharers) in Barking
- Ensuite installation in Barking
- House to HMO conversion in Barking
- Bedroom upgrades and room refits in Barking
- Sound insulation in Barking