# houseUP - Premium Construction Company in London

> houseUP is a high-end residential construction and renovation company serving Greater London (within M25). We specialise in loft conversions, house extensions, basement conversions, full house renovations, design & build services, and conservation architecture.

## About

houseUP was founded to bring quality and value in construction at competitive prices. We are a team of dynamic and ambitious professionals — including in-house structural engineers and conservation architects — with a fresh approach to the construction business. We serve homeowners across London's premium boroughs including Chelsea, Kensington, Hampstead, Chiswick, Islington, Wandsworth, Camden, Westminster, Greenwich, and Richmond.

## Key Facts

- houseUP is a high-end design-and-build construction company serving Greater London within the M25.
- In-house structural engineers and conservation architects; full project management under one fixed-price contract.
- Premium boroughs served: Chelsea, Kensington, Hampstead, Chiswick, Islington, Wandsworth, Camden, Westminster, Greenwich, Richmond.
- 150+ completed London projects.
- Phone: 0207 118 9889. Email: info@houseup.co.uk. Free fixed quotes.

## Services

- [Loft Conversions London](https://www.houseup.co.uk/services/loft-conversions-london): Dormer, mansard, hip-to-gable and roof light loft conversions across London.
- [House Extensions London](https://www.houseup.co.uk/services/house-extension-london): Single and double storey rear, side and wrap-around extensions.
- [Basement Conversions London](https://www.houseup.co.uk/services/basement-conversion-london): Full basement excavation and conversion with waterproofing and structural engineering.
- [House Renovation London](https://www.houseup.co.uk/services/house-renovation-london): Complete house refurbishment and renovation services for period and modern properties.
- [Design & Build London](https://www.houseup.co.uk/services/design-build-london): End-to-end design and construction service from concept to completion.
- [Building Contractors London](https://www.houseup.co.uk/services/building-contractors-london): Professional building contractor services for residential projects.
- [Conservation Architects London](https://www.houseup.co.uk/services/conservation-architects-london): Listed building and conservation area specialist architecture services.
- [Garage Conversions London](https://www.houseup.co.uk/services/garage-conversions-in-london): Converting garages into habitable living spaces.

## Guides & Cost Calculators

- [Loft Conversion Cost UK 2026](https://www.houseup.co.uk/news/how-much-does-loft-conversion-cost): UK loft conversion prices by type, GBP 20,000 to 75,000, with London rates and per-square-metre figures.
- [Garage Conversion Cost UK 2026](https://www.houseup.co.uk/news/garage-conversion-cost-uk-2026-guide): garage conversion costs from GBP 9,600, single vs double, by room type.
- [Basement Conversion Cost 2026](https://www.houseup.co.uk/news/basement-conversion-cost): basement and cellar conversion costs, GBP 1,200 to 4,650 per square metre.
- [House Extension Cost UK](https://www.houseup.co.uk/news/how-much-does-house-extension-cost): house extension prices by type and size.
- [House Extension Cost Calculator](https://www.houseup.co.uk/news/house-extension-cost-calculator): instant UK house extension cost estimate.
- [Double Storey Extension Cost UK 2026](https://www.houseup.co.uk/news/double-storey-extension-guide): two-storey extension costs and planning rules.
- [Kitchen Extension Cost UK 2026](https://www.houseup.co.uk/news/kitchen-extension-cost): kitchen extension prices by type.
- [Party Wall Agreement for Loft Conversions](https://www.houseup.co.uk/news/party-wall-agreement-loft-conversion): when you need a party wall agreement and what it costs.
- [What Is a Build Over Agreement](https://www.houseup.co.uk/news/what-is-a-build-over-agreement): Thames Water build over agreement rules and pre-2011 history.
- [Grade II Listed Building Renovation Guide](https://www.houseup.co.uk/news/grade-ii-listed-building-renovation-guide): costs, Listed Building Consent and VAT relief.
- [Garage Conversion Planning Permission](https://www.houseup.co.uk/news/garage-conversion-planning-permission): 2026 UK rules and permitted development.
- [How to Choose a Loft Conversion Company in London](https://www.houseup.co.uk/news/how-to-choose-a-loft-conversion-company-london): criteria, quotes and red flags.

## Locations

- [Builders in Chiswick](https://www.houseup.co.uk/services/builders-chiswick)
- [Builders in Hampstead](https://www.houseup.co.uk/services/builders-hampstead)

## Contact

- Website: https://www.houseup.co.uk/
- Phone: 0207 118 9889
- Email: info@houseup.co.uk
- Office 1: 71-75 Shelton Street, Covent Garden, London, WC2H 9FD
- Office 2: Containerville Unit 28, 1 Emma Street, London, E2 9FP
- Get a Quote: https://www.houseup.co.uk/contact

## Portfolio

View our completed projects: https://www.houseup.co.uk/portfolio

## Blog

Read our construction guides and insights: https://www.houseup.co.uk/news