Rubik Builders review
Ranked 2 of 10 in Extension builders in Telford
Best for: retrofit, heating and electrics under one roof
Active
Trading as Rubik Builders Limited · Telford · Service area: Telford, Wolverhampton, Walsall
Rubik Builders in short
Rubik Builders is a Telford construction firm built around retrofit: insulation, heating, solar panels, heat pumps, batteries, electrics and plumbing from one team working to recognised retrofit standards. Federation of Master Builders and TrustMark membership sit on the registers, with NICEIC, Gas Safe and MCS standing stated on its own site. Insurance is stated in figures running to millions, which few rivals match.
The customer record is steadier than the paperwork story: four point three stars on Google from eighteen ratings, the only review source on record. That is a respectable base for a young firm, though thinner than several rivals carry. Rubik Builders publishes a VAT number and answers through call and email routes from its Hortonwood base.
Our view: this outfit suits an energy-led project where heating, electrics and fabric improvements come as one brief. What counts against Rubik Builders is a site that reads as large-scale retrofit first and private extensions second, with no extension-specific content and no published rates. Domestic extension work is not evidently its current focus.
Our verdict
Our judgement: this firm suits you if you want an accredited outfit for energy, heating and electrical works with insurance stated in figures [1] [3]. What counts against it is a retrofit-heavy site with no extension-specific content and no published rates [1] [2].
Score summary
Scored on the home trades rubric v2.0. Insufficient evidence takes the neutral value and is not shown as a low mark.
- Composite score
- 72.8 / 100
Qualifications and accreditations C2 · weight 25%
95 out of 100
First-hand responsiveness C3 · weight 15%
Insufficient evidence
Insufficient evidence
Insurance and safeguards C5 · weight 10%
85 out of 100
Employers liability £10M, public and products liability £5M and professional indemnity £5M with ABA Insurance are stated [1].
Pricing transparency C6 · weight 5%
80 out of 100
Evidence
| Fact | Value | Source | Read |
|---|---|---|---|
| Years trading | 7 | Source companies-house |
Industry qualifications
Sourced from the issuing registers, the business's own website and platforms such as Checkatrade and Which? Trusted Traders, on the date shown.
Strengths
You get retrofit insulation, heating, solar PV, heat pumps, batteries, electrics and plumbing from one firm working to PAS 2030 and PAS 2035 standards [1].
Federation of Master Builders and TrustMark membership is listed on the registers [3] [4].
Insurance is stated in figures: employers liability £10M, public and products liability £5M and professional indemnity £5M [1].
Limitations
Response from the business
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Verified customer reviews
Reviews from customers who showed us their invoice.
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Questions about Rubik Builders
Is Rubik Builders any good?
On the evidence, yes for energy-led work: second in our Telford table, with two register memberships, stated trade standing and insurance in figures. The customer base is modest at eighteen Google ratings, so read the full page and its sources. Send your project details for a written quote.
Is Rubik Builders registered with a trade scheme?
Federation of Master Builders and TrustMark membership is listed on the registers. NICEIC, Gas Safe and MCS standing is stated on the firm's own site rather than on those registers. Ask for the registration details and the insurance papers together when you request a quote.
What does Rubik Builders charge?
No rates, menu or call-out terms are published, though a VAT number appears on the site. Send the full scope and ask for an itemised fixed quote. Confirm what the price covers, for the building and the energy work alike, and which certificates come with the job.
Where does Rubik Builders work?
The Hortonwood firm covers Telford and Shropshire, reaching Cannock, Walsall and Wolverhampton for retrofit and energy work. Call and email routes are published. Send your postcode with the job details to confirm you are covered, with drawings or photos attached.
How is Rubik Builders ranked?
It ranks second of the ten extension builders in our September round, the pick for retrofit, heating and electrics under one roof. Randle Building Solutions sits just above it on broader extension coverage. Read the full review, then ask for the itemised quote.
Others assessed for this trade
- Randle Building Solutions Ltd74.6 / 100Ranked 1. Best for extensions and renewables from one established firm.
- Timber Kit Solutions69.7 / 100Ranked 3. Best for timber-frame kits for self-builds and extensions.
- Tradestone Construction Ltd66.6 / 100Ranked 4. Best for driveways, patios and landscaping around Telford.
- Heritage Home Improvements63.8 / 100Ranked 5. Best for roofing work from a long-standing scheme member.
Sources
- Rubik Builders homepage — retrofit, electrical, gas and heating services Retrieved 4 September 2026.
- Rubik Builders contact page Retrieved 4 September 2026.
- Federation of Master Builders — member page for Rubik Builders Retrieved 4 September 2026.
- TrustMark — firm page for Rubik Builders Limited Retrieved 4 September 2026.
- Companies House — RUBIK BUILDERS LIMITED overview (12023531) Retrieved 4 September 2026.
- Google Maps listing — Rubik Builders, Telford Retrieved 4 September 2026.
Is this your business?
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