# SimplySpaces > Family-owned premium residential construction specialists serving homeowners in Richmond, Chiswick, Twickenham, Kew and across West London. Founded in 2020 and incorporated as SimplySpaces LTD in 2022. Rated Excellent on Google. £10,000,000 public liability insurance. Our own skilled team: same trades, every project. Based in Isleworth TW7. Call 020 8050 5780 or email hello@simplyspaces.co.uk. SimplySpaces designs and builds home extensions, loft conversions, kitchen renovations, bathroom refits, basement conversions and full property renovations for discerning homeowners in West & Greater London. Every project is delivered by our own skilled team: same skilled trades throughout. Transparent pricing, no hidden costs. ## Services - [Home Extensions](https://www.simplyspaces.co.uk/extensions): Rear extensions, side returns, wraparound and double-storey extensions. £60,000–£140,000 depending on size and specification. Typically 10–20 weeks from start to completion. - [Loft Conversions](https://www.simplyspaces.co.uk/loft-conversions): Dormer, hip-to-gable, mansard and Velux loft conversions. £35,000–£80,000. Typically 8–12 weeks. - [Kitchen Renovations](https://www.simplyspaces.co.uk/kitchens): Bespoke kitchen renovations, open-plan transformations and kitchen extensions. £15,000–£60,000. Typically 4–8 weeks. - [Bathroom Renovations](https://www.simplyspaces.co.uk/bathrooms): Premium bathroom refits, wet rooms and en-suite installations. £8,000–£25,000. Typically 2–4 weeks. - [Basement Conversions](https://www.simplyspaces.co.uk/basements): Reinforced concrete basement construction and conversions. £50,000–£150,000. Typically 16–24 weeks. - [Full Property Renovations](https://www.simplyspaces.co.uk/renovations): Complete refurbishments for period and modern West London homes. £30,000–£200,000. Typically 8–32 weeks. ## Free Cost Calculators - [Extension Cost Calculator](https://www.simplyspaces.co.uk/calculator/extensions): Instant online estimates for rear, side return, wraparound and double-storey extensions. - [Loft Conversion Calculator](https://www.simplyspaces.co.uk/calculator/lofts): Instant estimates for dormer, hip-to-gable and Velux loft conversions. - [Kitchen Renovation Calculator](https://www.simplyspaces.co.uk/calculator/kitchens): Instant estimates for kitchen extensions and full kitchen refits. - [Bathroom Renovation Calculator](https://www.simplyspaces.co.uk/calculator/bathrooms): Instant estimates for bathroom renovations and wet room installations. ## About & Contact - [About SimplySpaces](https://www.simplyspaces.co.uk/about): Family-owned construction company. Founded 2020, incorporated 2022. Based in Isleworth TW7. Serving Richmond, Chiswick, Twickenham, Kew, Hammersmith, Fulham, Putney, Brentford, Teddington, Kingston, Shepherds Bush, Kensington, Barnes, Chelsea, Hounslow and Ealing. - [Completed Projects](https://www.simplyspaces.co.uk/projects): Portfolio of 60+ completed extensions, loft conversions, kitchens, bathrooms and renovations across West London. - [Get a Free Quote](https://www.simplyspaces.co.uk/contact): Free, no-obligation quotes for all residential construction projects across West & Greater London. ## Expert Guides & Articles Full index of all guides with raw Markdown versions available at: https://www.simplyspaces.co.uk/llms-full.txt Top articles: - [How Much Does a Rear Extension Cost in London?](https://www.simplyspaces.co.uk/articles/how-much-does-a-rear-extension-cost-in-london): 2025 cost guide: £35,000 to £140,000 depending on size, specification and location. - [How Much Does a Loft Conversion Cost in London?](https://www.simplyspaces.co.uk/articles/how-much-does-a-loft-conversion-cost-in-london): Breakdown of loft conversion costs by type: dormer, hip-to-gable and Velux. - [Loft Conversion Planning Permission Guide](https://www.simplyspaces.co.uk/articles/loft-conversion-planning-permission-guide-london): When you need planning permission and when permitted development applies. - [Complete Guide to Basement Conversions in London](https://www.simplyspaces.co.uk/articles/complete-guide-to-basement-conversions-london): Everything homeowners need to know about basement conversions in London. - [Does a House Extension Add Value in London?](https://www.simplyspaces.co.uk/articles/does-a-house-extension-add-value-in-london): How much value different extension types add to London properties. - [How Long Does a House Extension Take?](https://www.simplyspaces.co.uk/articles/how-long-does-a-house-extension-take): Realistic timelines from planning to completion for all extension types. ## Trust & Credentials - Founded: 2020, incorporated as SimplySpaces LTD in 2022 - Projects completed: 60+ - Google rating: 4.9 stars, Rated Excellent on Google - Public liability insurance: £10,000,000 - Our own skilled team: same trades on every project, managed directly by SimplySpaces - Transparent pricing: no hidden costs - Recommendation rate: 75% - Address: Isleworth, West London TW7 - Phone: 020 8050 5780 - Email: hello@simplyspaces.co.uk - Website: https://www.simplyspaces.co.uk