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.
From its Hortonwood base the firm covers Telford and Shropshire, taking retrofit and energy jobs as far as Cannock, Walsall and Wolverhampton. Retrofit insulation, heating, solar panels, heat pumps, batteries, electrics and plumbing sit under the one roof, aimed at whole-house energy jobs rather than single rooms tackled piecemeal.
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. The limited company dates to two thousand and nineteen.
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
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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. Read the full review before shortlisting.
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. Keep those details with the written 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. Keep the insurance papers with that quote.
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. Drawings or photos help the firm scope the building and energy work.
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. The September round covers ten extension builders in total.
How do I get a quote from Rubik Builders?
Through the published call and email routes from its Hortonwood base, with the full scope and your postcode to hand. No rates appear on the site, so the written quote carries the whole decision for building and energy work alike. Ask for an itemised fixed price and the insurance papers together.
What do customers say about Rubik Builders?
Customers rate it respectably on the one held source: four point three stars on Google from eighteen ratings, seen in September 2026. That trails the headline scores above it in this round, and no second source sits behind it. The base suits a young firm but trails the deeper records above it.
How does Rubik Builders compare with the others in this round?
It sits second of the ten, just below Randle Building Solutions on broader extension cover. Timber Kit Solutions follows on timber-frame supply, with the general builders further down. Its strength beside them is energy, heating and electrical work from the one accredited team. No rival packs more retrofit disciplines into a single offer.
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.
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