Home extension
A home extension is the clearest way to add living space without moving. We design and build bespoke extensions that fit your home, plot and daily life.
Services
Everything we build.
From bespoke home extensions and second-storey additions to dormers, garden offices and conservatories: this overview gives you the main options, budgets and practical considerations.
Core services
5 servicesSecond-storey extension
A second-storey extension adds a full extra floor to your house. It is ideal when garden space is limited or you need bedrooms, a bathroom or workspace upstairs.
Bay window extension
A bay window extension adds character, daylight and usable space to the front or side of a home. It is compact, visible and detail-driven.
Prefab extension
A prefab extension is produced in controlled factory conditions and assembled on site. It is faster, predictable and often more efficient than a fully traditional build.
Conservatory
A conservatory connects inside and outside. With the right glass, ventilation and shading it becomes a comfortable living, dining or garden room.
Type of extension
4 servicesfrom 8.0002-5 days installation
Dormer window
A dormer window turns a dark attic into a usable bedroom, office or playroom by adding headroom and daylight. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· dormer window costs· dormer permit Netherlands· attic conversion
from 55.00010-16 weeks
Roof extension
A roof extension creates a full extra level on a flat or partly flat roof, often adding multiple rooms without losing garden space. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· roof extension costs· extra floor on house· roof extension permit
from 6.0003-7 days
Veranda
A veranda adds a sheltered outdoor living space for dining, relaxing and connecting the house to the garden. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· veranda costs· garden veranda· covered terrace
from 3.5002-5 days
Canopy
A canopy protects a terrace, garden lounge, outdoor kitchen or car from rain and sun without creating a fully enclosed room. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· garden canopy· terrace canopy costs· carport extension
Use case
8 servicesfrom 15.0001-3 weeks
Garden office
A garden office creates a quiet, insulated workspace away from the kitchen table while keeping commute time at zero. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· garden office Netherlands· insulated garden office· home office garden
from 45.0004-8 weeks
Care home
A care home provides independent living space for a family member while keeping care and daily contact close by. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· care home garden Netherlands· mantelzorgwoning rules· accessible garden home
from 12.0002-4 weeks
Utility room extension
A utility room extension adds practical storage, laundry space and a better entrance between kitchen, garden and utility functions. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· utility room extension· laundry extension· rear utility room
from 25.0006-10 weeks
Kitchen extension
A kitchen extension turns the kitchen into the social centre of the home with space for cooking, dining and garden views. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· kitchen extension Netherlands· rear kitchen extension· kitchen extension costs
from 22.0006-10 weeks
Living-room extension
A living-room extension creates a larger living area with better daylight and a stronger connection to the garden. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· living room extension· rear extension living room· open plan extension
from 15.000depends on type
Extra bedroom
An extra bedroom adds sleeping space for a growing family, guests or a ground-floor bedroom for future-proof living. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· extra bedroom extension· ground floor bedroom· family home extension
from 30.0006-12 weeks
Home practice room
A home practice room creates a professional room at home for consultations, treatment, coaching or client meetings. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· home practice room· clinic room at home· business space extension
from 10.0003-6 weeks
Garage conversion
A garage conversion converts underused garage space into a warm, useful room without extending the footprint. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· garage conversion Netherlands· convert garage living space· garage room costs
By home type
5 servicesfrom 22.0006-10 weeks
Terraced house extension
A terraced house extension adds valuable space to a terraced house, usually by extending the kitchen or living room into the garden. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· terraced house extension· row house extension· rear extension terraced house
from 25.0006-12 weeks
Semi-detached extension
A semi-detached extension adds living space to a semi-detached home while preserving balance with the neighbouring property. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· semi-detached extension· side extension· two under one roof extension
custom8-16 weeks
Detached house extension
A detached house extension gives detached homes room for larger, more individual layouts such as a suite, studio or generous kitchen. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· detached house extension· large home extension· bespoke villa extension
from 2.400 per m28-14 weeks
1930s house extension
A 1930s house extension adds space while preserving the character of a 1930s home. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· 1930s house extension· period home extension· jaren 30 extension
from 22.0006-12 weeks
Corner house extension
A corner house extension uses the extra side position of a corner house for a wider or more flexible extension. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· corner house extension· side extension corner plot· corner home renovation
Style & material
6 services2.400 - 4.600 per m24-8 weeks
Timber extension
A timber extension adds space with a warm, lightweight and sustainable construction method. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· timber extension· wooden home extension· sustainable extension
from 2.200 per m28-12 weeks
Brick extension
A brick extension creates an extension that visually and structurally feels like part of the original house. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· brick extension· masonry home extension· matching brick extension
standard with extensionpart of extension
Flat-roof extension
A flat-roof extension delivers a clean, modern extension with efficient construction and easy integration of rooflights or solar options. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· flat roof extension· modern rear extension· flat roof extension costs
from 2.500 (addition)part of extension
Rooflight extension
A rooflight extension adds daylight deep into the new and existing room, especially when large rear glazing is not enough. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· rooflight extension· extension with roof lantern· daylight extension
from 5.000 (component)part of extension
Sliding-door extension
A sliding-door extension creates a wide, easy connection between living space and garden. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· sliding door extension· rear extension sliding doors· garden connection
from 2.800 per m28-12 weeks
Glass extension
A glass extension maximises daylight and garden views with a more transparent extension. We design, plan and build it with clear advice, fixed pricing and one accountable team.
· glass extension· glazed rear extension· modern glass extension
Not sure which service fits your project?
Send a message or call us directly. We are happy to think along, even when the plan is still early.