# Smart House Extension

Smart House Extension is an architect in Cardiff. Rated 5.0/5 from 81 public reviews across 1 named source. This is the MyTrustedTraders public-evidence profile — independent reviews, credentials and registry data cross-checked across named sources, with no ads and no paid placement.

## About
Welcome to Smart House Extension Inspire, create, extend. Discover the innovative provider of home extensions in Cardiff. We are Cardiff’s premier house extension specialist. We specialise in a wide variety of bespoke home improvement projects; designed to expand your space and breathe new life into your home, inside and out. With a home or kitchen extension, you could make more room for a growing family or add value to your property listing. Our designs are drawn up with your specific needs in mind and our qualified, experienced builders can bring them to life in a matter of weeks.

## Public review evidence (by source)
| Source | Average rating | Reviews |
| --- | --- | --- |
| Houzz | — | 81 |

_Per-source review counts may overlap — they need not sum to the 81 cross-checked total above._

Rated 5.0★ — in line with the local average for architectss in Cardiff. Across 18 rated architectss in Cardiff, the typical rating is 4.9★. We compare against the same businesses a homeowner would find searching for this trade locally.

## Trades
Architects, Home Builders

## Independent verification
_What MyTrustedTraders independently checked for this business (verified items only):_
- Review volume: MTT is showing 81 public reviews on this profile. (via Houzz)
- Source profile spread: MTT is showing 2 source profiles for this trader. (via Houzz)
- Business identity: MTT is showing public business identity data with operating status unknown. (via MyTrustedTraders public listing)
- Contact phone: MTT is showing a public phone contact on this profile. (via MyTrustedTraders public listing)
- Website: MTT is showing a public website for this trader. (via MyTrustedTraders public listing)

Full verification checklist: https://mytrustedtraders.com/traders/smart-house-extension/checks

## Credentials & sources
- Verified credentials on file: 0
- Companies House status: unknown
- Evidence held from: Houzz
- Public evidence last checked May 2026

## Before you hire an architect
_What to check when choosing this kind of trade — general guidance, not a claim about this business:_
- Only someone on the Architects Registration Board (ARB) register may legally call themselves an 'architect' in the UK — ask for their ARB number and check it free at arb.org.uk. An 'architectural designer' or 'technologist' is a different, unregistered role (often capable, but not the same protection).
- Agree how they charge before any work starts — a percentage of the build cost, a fixed fee, or an hourly rate — and exactly which stages it covers (concept design, planning application, building-regulations drawings, work on site), so there are no surprises later.
- Confirm what they will actually handle versus what is excluded — the planning application, the building-control drawings, and whether they will administer the builder's contract on site — and get it, and a portfolio of similar projects, in writing.
- Ask to see a portfolio of completed work like yours, plus recent references you can contact.
- Check the credentials and registrations that matter for this work — and that they are current.

## Contact
- Phone: 02921111069
- Website: http://www.smarthouseextension.co.uk

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Source: MyTrustedTraders — https://mytrustedtraders.com/traders/smart-house-extension
Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.