The 10 extension builders from Google's results for Romford, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
on GoogleLondon
Architectural design and planning applications for home extensions are handled by Divi Design in Romford and Greater London. The firm creates extension plans and manages projects to enlarge and reconfigure residential living spaces.
020 3488 2828 Divi-Design, 124 City Rd, London EC1V 2NX
on GoogleLoughton
Loft Care designs and constructs attic conversions and home extensions across Romford and nearby areas. Operating from Loughton, the company adapts residential properties to create functional living space suited to homeowner requirements.
0800 002 9411 Church Ln, Loughton IG10 1PF
on GoogleRomford
SHAPE House Extensions & Renovation constructs home extensions for property owners in Romford.
07418 357936 27-43 Eastern Rd, Romford RM1 3NH
on GoogleRomford
Operating in Romford, House Extension builds single and double-storey rear extensions to enlarge residential properties. The team provides initial consultations and develops customised plans to integrate new structures into existing homes.
07460 124779 401A London Rd, Romford RM6 6AD
on GoogleRomford
M Cole Builders takes on house and kitchen extensions, loft conversions and new builds for customers in Romford and across Essex. The firm also carries out groundworks, bathroom fitting and general property maintenance.
01708 755771 Parkland Ave, Romford RM1 4EL
on GoogleRomford
KPD Construction builds loft conversions, house extensions, flat conversions, and new builds across East, North, and Central London, as well as Essex. Services also include kitchen renovations and full property refurbishments.
07825 788773 8 Melbourne Gardens, Romford RM6 6TA
on GoogleRomford
JJ Construction Group Ltd delivers loft conversions, house extensions, structural alterations, and full property refurbishments. The firm serves residential clients across Romford, Havering, and surrounding East London areas.
on GoogleHornchurch
Opus Windows designs and constructs thermally efficient house extensions for homeowners in Hornchurch and Romford. The company builds new living areas intended for year-round use, including dining spaces and playrooms. An online tool allows clients to request preliminary project quotes.
01708 723131 23 Billet Ln, Hornchurch RM11 1XP
Romford
Plus Rooms provides house and kitchen extension services to homeowners in Richmond-upon-Thames and across South West London. The company manages projects from design through to construction, handling planning regulatory requirements along the way. Its team also builds loft conversions.
Romford
Serving homeowners across Romford, Torba Building carries out various types of property extensions. Projects include single-storey rear and side builds designed to expand ground-floor areas such as kitchens, dining rooms, and lounges.
In Romford, single storey, per m² typically costs £2,000 – £2,800. Labour in Greater London runs 12% above the UK median, which accounts for most of the difference from the same job elsewhere.
These are the firms from Google's results for "house extensions romford". They are ranked on Google rating, online presence and other factors.
The figures above are Romford ranges. These explain what drives them, so you can read a quote properly.
Per-square-metre prices for single-storey, two-storey, side return and kitchen extensions, costs by size, the fees outside the build price, and planning limits by nation.
The permitted development limits for extensions, lofts, porches and outbuildings in England, where the rights do not apply, what prior approval and a certificate cost, and how Wales, Scotland and NI differ.
When the Party Wall Act applies, which notice to serve and how far ahead, what your neighbour can do, what a surveyor's award costs, and the rules in Scotland and NI.
Under permitted development, three metres for a terrace or semi and four for a detached, doubled to six and eight under the prior approval process. Height, materials and how much garden you cover all carry separate limits, and none of it applies in a conservation area.
If you are excavating within three metres of a neighbour's foundations or building on the boundary, yes. You must serve notice two months before work starts. Skipping it is the most common reason extension projects stall.