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Pentangle Design - Architects

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Pentangle Design - Architects

We're an RIBA chartered practice of architects in Hitchin. Good ones. Been here for 50 years.

22/10/2026

PLANNING APPROVED • PIRTON 🏡

Four generous family homes, each with its own character, designed for village living.

We’re delighted to have secured planning permission for this development of four detached homes in Pirton, near Hitchin. Red brick, tiled roofs and carefully detailed gables draw on the village’s traditional character, complemented by contemporary glazing and landscaped gardens.

The site is now being marketed for sale, offering an opportunity to bring this approved scheme to life.

For further information about the proposals or to be directed to the selling agent, please get in touch.

01462 431133
[email protected]
www.pentangledesign.co.uk
Pentangle Design Architects Hertfordshire

17/10/2026

Eight homes in the heart of Gosmore 🏡

Completed in Summer 2025, this development brought together the refurbishment and extension of four flats within an existing Victorian house and the construction of four new houses in its garden.

Set within the Gosmore Conservation Area, the project combines investment in an existing period building with new homes in an established village setting.

All eight homes are now sold and occupied, marking a lovely final chapter for a project we’re pleased to have been part of.

01462 431133
[email protected]
www.pentangledesign.co.uk
Pentangle Design Architects Hertfordshire

15/10/2026

A new chapter for this Letchworth home 🏡

This week we submitted applications for planning permission and Heritage Foundation consent for extensions and substantial refurbishment of this detached house.

The proposals will create a five-bedroom family home, with enhanced living spaces opening onto the garden and a refreshed exterior that retains the character of the original house.

The existing and proposed views show how a coordinated approach to extensions, materials and detailing can transform a home.

Thinking about extending or refurbishing your own property? Get in touch to discuss the possibilities.

01462 431133
[email protected]
www.pentangledesign.co.uk
Pentangle Design Architects Hertfordshire

12/10/2026

PLANNING APPROVED | Four New Family Homes in Pirton

We’re delighted to have secured planning permission last week for a development of four new detached family homes in the picturesque Hertfordshire village of Pirton, near Hitchin.

The scheme has been carefully designed to create a small, attractive residential development that complements the character of the village and its surroundings.

Featuring traditional red brickwork, pitched tiled roofs, generous gardens and landscaped surroundings, the four individually designed homes combine traditional architectural character with modern family living.

We’re looking forward to seeing this exciting project take the next step towards becoming a reality!

📍 Pirton, Hertfordshire
📐 Design & Planning: Pentangle Design Ltd

08/10/2026

Planning permission granted this week! 🏡

A fresh look and a better layout for this family home.

Our approved scheme creates a new master bedroom suite, a new entrance hall and staircase, alongside internal alterations to make the home work better for its owners.

Outside, new roof finishes and render bring the elevations together, with a welcoming entrance giving the house a clearer focal point.

The existing photograph and proposed visual show the transformation we’re looking forward to seeing take shape.

Thinking about extending or reworking your home? Get in touch with Pentangle Design to explore the possibilities.

[email protected]
01462 431133

06/10/2026

Designed in 2008. Approved, but never built.

These animations revisit our proposals for The Wynd in Letchworth Garden City, bringing our original hand-drawn illustrations to life using today’s AI visualisation tools.

Developed between 2006 and 2008 for Letchworth Garden City Heritage Foundation, the scheme brought together 116 apartments, more than 30 small retail units, an anchor supermarket, a play barn and a reconfigured car park.

The drawings show the spaces between the buildings as much as the architecture itself: shopping streets, sheltered passages and a central courtyard where people could meet and spend time.

Following extensive discussions with North Herts planning officers, the scheme secured planning permission. The 2008 financial crisis ultimately stopped it from progressing.

Nearly two decades later, we can explore what might have been.

Which view would you most like to step into?

04/10/2026

From bungalow to contemporary family home | Hitchin

A fairly dramatic before and after.

The original bungalow occupied a fantastic site, but made relatively little of it. Our brief was to create a new four-bedroom family home that took much better advantage of the plot, while responding to its established residential setting.

The finished house optimises the south facing frontage to create a secret garden. The house combines buff brickwork with timber cladding, deep overhanging roofs and large areas of glazing. The first-floor accommodation sits beneath the sweeping roof forms, while extensive glazing at ground floor opens the principal living spaces onto the garden.

It’s also satisfying to look back at the original design images and see how closely the completed building follows the concept.

Swipe through to see before → proposed → completed.

Pentangle Design | Hitchin, Hertfordshire
01462 431133 [email protected]

01/10/2026

BEFORE AND AFTER.

Some of our extension and renovation projects.

Wondering what could be done with yours? Start with a free, no-obligation chat.

01462 431133 · [email protected] · www.pentangledesign.co.uk · Pentangle Design Architects Hertfordshire

30/09/2026

PERMISSION GRANTED TODAY!

The existing bungalow will be replaced with a generous family home.

One reason rebuilding is worth considering: constructing a new home can qualify for zero-rate VAT on the building work, while extensions usually pay the full 20%.

Weighing up whether to extend or rebuild? Start with a free, no-obligation chat about your project.

01462 431133
[email protected]
www.pentangledesign.co.uk
Pentangle Design Architects Hertfordshire

Top: existing photograph. Bottom: proposed design. Visualisations produced using AI-assisted rendering from our Revit model.

29/09/2026

BEFORE AND AFTER

Four replacement dwellings: tired houses and bungalows replaced with new homes on the same plots. Two are recently completed; two are from our project archive.

Thinking about the same for your home? Start with a free, no-obligation chat.

01462 431133
[email protected]
www.pentangledesign.co.uk

Hitchin, Hitchin, Whitwell and Cottered

After images: photography with some AI-assisted enhancement!

Address

Suite 1 21 Bancroft
Hitchin
SG51JW

Opening Hours

Monday	9am - 6pm
Tuesday	9am - 6pm
Wednesday	9am - 6pm
Thursday	9am - 6pm
Friday	9am - 5pm

Website

http://www.pentangledesign.co.uk/

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