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East Barnet architects.
Britain's No. 1

Oak Hill Park may be popular, but wait until people see your new home extension.

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Brecknock Road, Islington →
Grampian Gardens, Barnet →
Riversdale Road, Islington →
Walm Lane, Brent →
Allison Road, Haringey →
Albert Road, Haringey →
Cascade Avenue, Haringey →
Ashurst Road, Barnet →
Poets Road, Islington →
West End Lane, Barnet →
Roseberry Gardens, Haringey →
Despard Road, Islington →

We’re Britain’s #1 architectural practice for all-things extending

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Barnet planning application stats

Applications in East Barnet are decided by the Barnet planning team. Our planning permission win rate is...

82%

vs 85% national average
Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Barnet's planning officers

Greta Norton, Muhsin Ahmed, Cheryl Yeung, Tabitha Hannam,...

198 Number of applications
162 Granted applications
36 Refused applications
6 - 276 days Submit to complete time
8w 1d Average decision time

We've had 198 applications approved in Barnet.

Approved 09 Jul '19
Ground floor rear 26 Westpole Avenue Barnet EN4 0AY
Approved 12 Jan '24
Ground floor rear 34 Holly Park Road London N11 3HD
Approved 12 Mar '24
Two storey side 40 Burleigh Gardens London N14 5AG
Approved 25 Oct '24
Ground floor rear 38 St Margarets Avenue London N20 9LJ
Approved 07 Oct '24
Loft main dormer & hip to gable 89 Longmore Avenue Barnet EN5 1JZ
Approved 21 Aug '23
Loft main dormer & hip to gable 11 The Crescent London N11 3HN
Approved 20 Oct '23
Ground floor rear 11 The Crescent London N11 3HN
Approved 22 Nov '22
Two storey rear & side 42 Friary Road London N12 9PB
Approved 22 Sep '22
Loft main dormer & hip to gable 27 Shamrock Way London N14 5SA
Approved 04 Oct '22
Unknown extension type 27 Shamrock Way London N14 5SA
Approved 27 Jul '22
Two storey rear & side 42 Friary Road London N12 9PB
Approved 07 Mar '22
Ground floor rear & side 9 Chase Way London N14 5EB
Approved 22 Jun '21
Ground floor rear 23 Arlington Road London N14 5BD
Approved 11 Feb '21
First floor rear 23 Arlington Road London N14 5BD
Approved 09 Dec '20
Ground floor rear and loft main dormer 10 Buxted Road London N12 9AS
Approved 03 Dec '20
Ground floor rear and loft main dormer & hip to gable 101 Brunswick Park Road London N11 1JT
Approved 19 Nov '20
Ground floor rear 23 Arlington Road London N14 5BD
Show more

Average construction costs for the Barnet area.

In the last year, the construction costs* we've seen for the East Barnet area are as follows
Rear

£k

Side Infill

£k

Loft

£k

First Floor

£k

Try our build cost calculator
*Costs are up to ‘first fix’ and exclude VAT

More extensions we’ve completed in Barnet

Explore designs, build costs and planning applications for more of our extensions.
Show all extensions

Why people near you love Resi

Over 10200 homeowners have trusted Resi with their home extensions — that’s more than any other architect in the UK.
Came across Resi in 2017 and have to say their service has been exceptional on all fronts. Prompt...
Ann Ground Rear
Alexander Ell Used to do initial design phase for a loft conversion and internal remodelling. Very helpful in t...
Alexander Loft Main Dormer
The best out there I have been with Resi now for over a year and they have looked after me well. They have helped me...
Dharam Two Storey Side
Luisa Wolf The planning permission (1st of that kind on my neighbourhood) for the extension of my house was...
Luisa Loft Main Dormer
Peter Spence So easy! Previous experience with face to face architect not great. But Resi are so easy to deal ...
Peter Ground Rear
Resi are a great investment! Resi have been great. We knew we needed help and saw a couple of “all in” firms before we found R...
Helena Ground Rear
Patricia Ladly I had my reservations about getting design plans on-line but the whole process has been very prof...
Patricia Loft Main Dormer
STEVE BOWMAN Very impressed with the service and the attention to detail to my requirements. the team were ver...
Steve Ground Rear
Freddie White Great service, easy to use and very fast results, highly recommend. Easy process from start to fi...
Freddie Whole House New Build
Absolutely Brilliant! I was recommended to use Resi by a friend of mine. I found the whole process an absolute dream. F...
Ayisha Ground Side Infill

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Builders we work with in Barnet

Lifestyle London Design & Build Ltd

5.0
2 reviews
Covers East Barnet
12 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers East Barnet
9 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers East Barnet
37 Resi projects

Home Republic Limited

4.7
7 reviews
Covers East Barnet
45 Resi projects

Skyfall Construction Limited

5.0
2 reviews
Covers East Barnet
9 Resi projects

Flow Property Service Ltd

Covers East Barnet
3 Resi projects
Check out our vetted builders
Other architects in East Barnet

Gray and Cross Architects, PlanApps, Architecture Ralph Kanfer, Kwork Architects, Get Carter Consulting Ltd, Domenech Designs Ltd, Crafted Architecture + Planning Ltd

Other locations we do projects around East Barnet

Osidge, Brunswick Park, Oakleigh Park, Whetstone, Cockfosters, Friern Barnet, Arnos Grove, Southgate, Oakwood, New Southgate,

Postcodes we serve in and around East Barnet

EN1, EN2, EN3, EN4, EN5, N1, N2, N3, N4, N5, N6, N7

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Research hub Advice centre FAQs Loft Conversion Costs UK 2025: A Complete Guide to Budgeting Your Build How much does a side return extension cost? House extension without planning permission: what are the rules? The cost of a rear extension in the UK and how to save some pennies House extensions: everything a homeowner needs to know

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