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Harold Hill architects.
Britain's No. 1

Central Park may be popular, but wait until people see your new home extension, designed by Trustpilot's highest-rated UK architectural practice.

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A planning team staffed by ex-council officers

Organise your entire project from one place

Havering planning application stats

Our planning permission win rate for the Havering area is as follows:



UK Average


Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Havering's planning officers

Guy Fanning, Marnie Smith, Issa Mirza, Karen Leonard, Aidan Hughes, ...

64 Number of applications
17 - 135 days Submit to complete time
48 Granted applications
16 Refused applications
8w 5d Average decision time
See if you qualify for Permitted Development

We've had 48 planning applications approved in Havering

Garage Conversion

Cloudberry Road, RM3 8ER

10 Aug '21

First floor Side

Byron Way, RM3 7PS

14 Sep '21

Loft Main dormer

Byron Way, RM3 7PS

15 Jan '21

Ground floor Wraparound

Byron Way, RM3 7PS

12 Apr '21

Loft Main dormer

Squirrels Heath Road, RM3 0LS

04 Apr '23

Loft Main dormer

Birch Crescent, RM11 2NW

07 Oct '22

First floor Rear

Tring Gardens, RM3 9EP

25 Sep '20

Garden Annex

MacDonald Avenue, RM11 2NF

02 Feb '24

Garden Annex

MacDonald Avenue, RM11 2NF

01 Feb '24

Ground floor Rear

Woodstock Avenue ROMFORD, RM3 9NF

17 Jul '24

Ground floor Internal alteration

Northumberland Avenue, RM11 2HR

28 Sep '23

Ground floor Wraparound

Rowan Walk, RM11 2JA

05 Apr '24

Ground floor Wraparound

Rowan Walk, RM11 2JA

22 Apr '24

Whole house Internal alteration

Risebridge Road, RM2 5PR

25 Nov '22

The above are all actual Resi projects in and around Havering. Projects have been anonymised in accordance with GDPR data regulations.

Average construction costs for the Harold Hill area

In the last year, the construction costs we've seen for the Harold Hill area are as follows:



Side Infill




First Floor


Try our Construction Cost calculator

Here's just a few projects we've done near Harold Hill

Upminster Road

Upminster Road

Ground floor rear
Completed 2022
Planning authority Havering

Why people near Harold Hill love Resi

Over 8400 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…

Came across Resi in 2017 and have to say their service has been exceptional on all fronts. Prompt...


Ground floor Rear

Alexander Ell

Used to do initial design phase for a loft conversion and internal remodelling. Very helpful in t...


Ground floor Side

Luisa Wolf

The planning permission (1st of that kind on my neighbourhood) for the extension of my house was...


Loft Main dormer

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...


Ground floor Rear

Patricia Ladly

I had my reservations about getting design plans on-line but the whole process has been very prof...


Loft Main dormer

Freddie White

Great service, easy to use and very fast results, highly recommend. Easy process from start to fi...


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...


Ground floor Side infill

Sarah Boothe

would highly recommend this company, worked with Alessio on our planning application for our rea...


Ground floor Side and rear

Very professional company and knowledgeable staff. I had undertaken quite significant research...


Basement Whole house

Kaila Yates

Can't recommend Resi enough. It's been so easy to work with the team - from my initial call to be...


Ground floor Rear

You'd be with the numero uno in architecture category on Trustpilot

Be more likely get an 'A-okay' with our 90% planning approval rating.

A dedicated Account Manager to help you through the process's more stressful moments

Keep your project on time & budget with our project management app

Screen-share with your designer, rather than inconvenient home visits

Get intro'd to vetted builders who've been around the (extension) block before

We use bleeding-edge new tech like laser scanners and 3D modelling software

Receive a premium service at an affordable price thanks to our proprietary technology & processes

Builders we work with in Harold Hill

BDL Development Ltd
3 reviews
Covers Harold Hill
11 Resi projects
N-Vico Ltd.
3 reviews
Covers Harold Hill
8 Resi projects
Kovacs Construction Ltd
7 reviews
Covers Harold Hill
31 Resi projects
SP Refurbishment & Construction Ltd
1 reviews
Covers Harold Hill
2 Resi projects
Skyfall Construction Limited
2 reviews
Covers Harold Hill
5 Resi projects
Zorkun Construction and Project Management
5 reviews
Covers Harold Hill
9 Resi projects
Check out our vetted builders
Postcodes we serve in and around Harold Hill

RM1, RM2, RM3, RM4, RM5, RM6, RM7, RM8, RM9, RM10, RM11, RM20

Speak to an expert

We’re always up for 30 min phone consultations to help you with your project.