
★★★★★5.0 on Google from 40+ reviews
99 Structural Engineers is a Kensington-based practice that focuses on residential work, carbon zero projects and MMC jobs. Its work includes refurbishments, extensions, basements, listed buildings, and public sector and commercial schemes.
Every job below can be priced from this page. The ranges are what London homes typically pay, from Locufy's price guides. 99 Structural Engineers confirms the exact figure in a written quote — asking is free, with no obligation.



Typical prices from Locufy's UK 2026 price guides — each guide explains what the job involves and what moves the price. Rendering and insulation installer are also offered, priced on survey.

99 Structural Engineers is a Kensington-based practice that focuses on residential work, carbon zero projects and MMC jobs. Its work includes refurbishments, extensions, basements, listed buildings, and public sector and commercial schemes.
You can ask for a written price on any building job from this page — an extension, a kitchen refit, a roof that leaks — and compare it with other London builders if you want to.
A line or two and a photo if you have one — it takes a minute.
Locufy passes it on; they come back to you with a written price.
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As published on Google, refreshed on each visit.
Read the reviews on Google →Every Locufy review comes from a job booked through Locufy, so each one is a real customer. Booked 99 Structural Engineers? You can leave the first one after the job.
Do they handle planning? Are they on the voluntary construction register? Ask here — Locufy passes it to them and emails you their answer.
Based in London, 99 Structural Engineers works across the city and about 15 km around it.
Yes. Refurbishment and extension work on homes is a core part of the practice, including open plan conversions that keep an existing facade and rooftop extensions.
Yes. The practice has handled planning for a listed house, alterations to a Grade II listed school, and internal refurbishment of a listed timber cottage.
Yes. One of the practice's basement projects near Chelsea received a successful planning application.
Yes. The practice gives advice on structural concerns, and the home page invites people who are worried about their property to get in touch.
Yes. The practice is on the supplier database for the Royal Borough of Kensington and Chelsea and has carried out a survey and wall works for park management in Holland Park.
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