Finished open-plan kitchen and living extension at dusk, with stone feature wall, pendant lighting and sliding glass doors, built by Blackthorn Developments

BUILD · RENOVATE · EXTEND · GARDEN ROOMS

An end-to-end construction partner, not just another builder.

Extensions, loft conversions, renovations, new builds and garden rooms — designed and delivered by a team led personally by Ben, from first sketch to final handover.

~20 yrsin construction & property development
1point of contact, start to finish
10+projects delivered every year, by design

WHY BLACKTHORN

Experience, without the corporate layers.

Ben has run a large construction company, managed multiple project managers and simultaneous builds, and developed his own sites from purchase through to completion. Blackthorn Developments is what happens when that experience is deliberately scaled back down — so every client gets it directly, not through layers of estimators and account managers.

We take on a carefully managed number of projects at any one time, so the person who quotes your job is the same person who oversees it on site and hands you the keys.

Read Ben's story
  • 01

    One point of contact

    You deal directly with Ben — not passed between a salesperson, an estimator and a project manager.

  • 02

    Design through to finishes

    We cover the full journey: initial planning and design, construction, and internal finishing — not just the build.

  • 03

    Value engineered

    Years of quantity surveying and site management mean we plan ahead and spend your budget where it counts.

  • 04

    A manageable number of projects

    We deliberately limit how much we take on, so every client gets proper time, communication and attention.

THE PROCESS

From first fix to final finish

A look at how a Blackthorn project actually comes together on site — the parts most companies don't show you.

Stage 01

Structure & framing

Every project starts with a properly engineered timber frame and roof structure — the stage that determines how well everything that follows will fit and perform.

Aerial view of a new roof structure under construction, timber trusses and scaffolding
Stage 02

First fix & services

Underfloor heating, electrics and insulation go in before anything is closed up, so the finished room performs properly for decades, not just on handover day.

Underfloor heating pipework being laid during first fix on a new extension
Stage 03

Open-plan living spaces

Vaulted ceilings, wide door openings and generous glazing are planned in from the design stage, not squeezed in afterwards.

Vaulted roof timber frame during construction of an open-plan extension
Stage 04

The finished result

Herringbone parquet, bespoke joinery, feature stonework and considered lighting — the details that make a project feel complete, not just built.

Finished open-plan kitchen with herringbone parquet flooring and statement chandelier

SERVICES

What we build

One team, covering the full scope of a residential project — so nothing falls into the gap between separate trades.

Extensions

Single and double-storey extensions that extend how a home lives, not just its floor area.

Loft Conversions

Turning unused roof space into a proper room — where Ben's career in construction began.

Renovations

Full renovations and refurbishments, from structural work through to final finishes.

New Builds

Ground-up new-build homes, from site purchase and design through to build and sale.

Garden Rooms

Fully insulated, custom-built garden buildings for work, wellness or guests.

Modern cedar-clad garden room with black-framed double doors, lit interior, home office and living space

GARDEN BUILDINGS

More space. A brighter you.

Stylish, practical, and built around you. A high-quality, custom-built garden room from Blackthorn Developments — whether you need a peaceful workspace, a home gym or a space to unwind, we design and build garden buildings that fit your lifestyle and enhance your home.

Home Offices Gyms & Wellness Entertainment Rooms Hobby Rooms Guest Accommodation

Bespoke designs · High-quality, durable materials · Fully insulated for year-round use

Enquire about a garden room

PROJECTS

Recent work

A selection of extensions and renovations completed by the Blackthorn team.

Ben, founder of Blackthorn Developments Ltd

MY STORY

Bigger isn't always better.

My journey in construction started straight from school. I began as an apprentice carpenter, completing my training before moving into loft conversions at around 18. That's where I really learned the industry from the ground up.

Within a few years I'd started my first construction company. It grew steadily, year after year, until we were delivering more than 10–15 major projects annually. As it grew, my role changed — I came off the tools and spent the next ten years overseeing multiple projects at once, managing project managers, coordinating trades and running the financial side of the business. At one stage I had four project managers, each running several projects, while I oversaw the wider operation.

Construction should never become just about volume.

As the business got larger, I found myself firefighting more than building — travelling between sites solving problems, with less and less time for any individual client. Every homeowner sees their project as hugely important, and rightly so. For many people, an extension or renovation is one of the biggest investments they'll ever make. They deserve someone who genuinely understands their project from start to finish.

From construction to property development

I slowed the original business down and spent four to five years developing property instead — buying sites and delivering multi-property schemes and new-build homes from the ground up. It taught me how every decision, on design, cost, programme and quality, affects the finished result. But I missed construction itself — working with tradespeople, solving problems on site, seeing a project come together from the first conversation to completion.

Why Blackthorn Developments

Blackthorn brings together everything I've learned over nearly two decades in construction and property — but I've deliberately chosen not to build a large-volume company again. I've built a skilled team of carpenters and multi-traders around me, so we can take on a carefully managed number of projects at any one time. Whatever the project, you deal directly with me, from initial planning through to completion.

Good construction isn't just about building what's on a drawing — it's about understanding how a project actually comes together, planning ahead, coordinating trades properly and making sure your budget is spent where it delivers the greatest benefit.

Ben Woolston, Founder — Blackthorn Developments Ltd

WHAT YOU GET

Why choose Blackthorn

Bespoke designs

Every project is designed around how you actually want to live, not a standard template.

High-quality materials

Durable, considered specification — built to last, not just to look good on handover day.

Fully insulated builds

Rooms and extensions built to perform year-round, not just in summer.

Direct accountability

You always know who to call, because it's the same person from quote to completion.

Value engineering

Years of quantity surveying experience means smarter spec choices, not just lower prices.

Local, on the tools

A hands-on team who understand the area and turn up when they say they will.

GET IN TOUCH

Let's talk about your project

Whether it's an extension, a loft conversion, a full renovation or a garden room, get in touch and Ben will get back to you directly to talk through what you have in mind.

Prefer to talk it through? Call or message directly using the details opposite — every enquiry is answered by Ben, not a call centre.